博文

目前显示的是 十月, 2018的博文

5083アルミニウムシート

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合金:5083 調子:O、H111、H112、H116、H321 厚さ(mm):0.2~500 幅(mm):200〜3000 長さ(mm):12000未満 用途:海洋/ボート/自動車部品、造船、油槽、パイプ、建設、電気キャビネット、建設部品、ハードウェア、電化製品、鉄道車両、掘削リグ、コーチワーク、 パッキング:木製パレット リードタイム:注文数量に応じて、通常25営業日 配送:オーシャンコンテナ 5083アルミニウムシートは、マグネシウムと微量のマンガンとクロムを含むアルミニウム合金です。 海水や工業用化学薬品による耐食性に優れています。 合金5083アルミニウムシートは、溶接後に優れた強度を保持します。 これは非熱処理合金の最高強度を持ちますが、65℃を超える温度での使用は推奨されません。 AA 5083合金では、酸化物の成長速度の増加と酸化膜の高いコンダクタンスが観察されたが、多孔質構造の成長段階は純アルミニウムの段階と実質的に同じである。 Reprinted from http://www.alujp.com/5083-aluminum-sheet-2.html

White Color Coated Aluminum Coil Stock Used for Construction

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White color coated aluminum coil stock  contributes a lot to large consumption quantity of painted aluminum rolls. Unlike aluminum sheets or plates applied in machinery, vehicles and ships,  color coated aluminum coil  rolls are more widely applied in approachable scopes, among which is construction. It’s said that black and white are two most adaptable colors. White aluminum coil stock is able to match so many colors and styles of buildings that it can be ubiquitous at home if you’d like. White  coated aluminum coil   rolls can first be made into corrugated sheets roofing your house. Although red, blue and gray prove to be more popular colors for roofing sheets, white meets people’s pursuit for unique style. In addition, the coil can be processed into roofs for dog houses. It can also be made into panels for interior and exterior walls. Some white sheets are used as face plates for aluminum honeycomb panels that are further applied as ceilings or supportin...

Diamond Embossed Aluminum Sheet Application

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The  diamond embossed aluminum sheet  refers to aluminium sheets with diamond patterns on the surface. In addition to 1000 series, 5005 and 3003 are frequently applied alloys as well. 5005  diamond embossed aluminum sheet s can be used for conductivity materials, cookware, instrument panels, electronic shells and building ornaments. Their anodized film proves to be brighter than that of 3003, and the color matches perfectly with that of 6063 aluminum alloy products. Generally speaking,  diamond aluminum checker plate s are sold by the unit of pieces. In international business the unit of metric ton is frequently used as well. Their thickness ranges from 1.7mm to 8mm, but those between 2mm and 7.75mm prove to be the most popular. The width is from 1010 to 1500, among which 1250 and 1500 are most frequently adopted. Embossed aluminum sheet s with different patterns usually match varied application scope. Five-bar and one-bar sheets are mostly used for anti-skid pu...

Aluminium Strip Price from China Aluminum Manufacturers

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If you want to  buy aluminium strip , which place of origin would you prefer better? In addition to America and Europe, countries in Asia have risen as new aluminum suppliers for the global market, among which the bigger ones are Japan, Korea and China etc. After decades of development, China aluminum industry is now able to supply aluminium strips of high international standards. Then how much is the  aluminium strip price  in China? You will find it difficult to answer such a question even though you regard yourself as an export purchaser from China, because the price varies from supplier to supplier and time to time. Generally speaking,  aluminium strip price  in China ranges from 2500 to 3500 dollars per ton. In China people use the unit kilogram more frequently. Instant prices can be affected by changeable ratios between the dollar and RMB. Why is there so big a price gap? First, large professional suppliers give higher offers because they take costs...

Circle Aluminum Plates for Basins

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Circle aluminum plates  are used as raw materials for basins because of their light weight, good corrosion resistance, medium strength and low comprehensive cost.  Circle aluminum plates  are better known as aluminium circles or aluminium discs. Frequently applied alloys are 1050, 1060, 1070, 1100 and 3003. They cover a wide range of application in our daily life, like pots, kettles, cookers, basins, bowls, lighting covers etc. In previous articles we have discussed aluminum circle plate used in cookwares, but it proves to be a little difficult to place basins in this classification, because basins have a usage scope far beyond cookware. In the past there were small basins made of circle  aluminum plates , and they were used as dish or soup containers. Big basins are more popular now, the are usually thick and heavy, used as washing basins in the countryside. Basins made of  circle aluminum plates  prove to be strong, light and long lasting. They are ...

Aluminum Circle Blanks

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Aluminum circle blank s actually refers to aluminum rolls or sheets applied as raw materials for aluminium discs. Rolls have to be flattened first before being fed into an  aluminum circle  cutting machine, while sheets will be spared from such a procedure. In spite of this, rolls prove to be more economical, because they can be used as efficiently as possible. The alloys for aluminum circle blanks generally include 1050, 1060, 1070, 1100 and 3003. Considering the end products of aluminum circles, raw materials should have medium strength and relative corrosion resistance. Given the fact that the metal of aluminium is endowed with a natural anti-rust property, the softest 1xxx series are suitable for cookware materials. Aluminum pots get a stone-like layer on the surface after a period of usage. The layer is usually called “rust” which actually serves as a protector of the inner part of aluminum elements. 3003 is regarded as a corrosion resistant alloy, boasting stronger corr...

Aluminum Circle Sheet Used for Cookware

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It’s said that half of cookware in the world are made of  aluminum circle sheet . On the other hand, stainless steel and iron take up only one third of cookware raw materials. The heat efficiency of aluminum cookware reaches 93%. The adoption of  aluminum circle sheet  greatly improves heat conductivity, electricity conductivity and thermal resistance of cookware, paving way to the cooking of delicious food. The manufacturing process of cookware, mostly pots, consists of raw material feeding, deep drawing, edge cutting, bottom modifying and cleaning. Basic requirements about raw materials include good heat conductivity and stable chemical properties under high temperature. Aluminum circle sheets have a heat conductivity which is times of iron, do not get rusty and resist corrosion from many elements. Anodized aluminium sheets have better corrosion resistance, but it’s easy for pure aluminum to get oxidized, so other metals like magnesium and manganese are usually add...

Surface Treatment of Color Coated Aluminum Roofing Sheet

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Color coated aluminum roofing sheet  can be divided into 10 series, among which 3xxx serves as the main material for building construction: roofing, ceiling, wall cladding etc. The alloys include 3003, 3003 and 3005. Generally there are two relative surface treatment methods for  aluminum roofing sheet : plain treatment and paint coating. Plain treatment refers to the fact that no coating process is applied to a piece of sheet. In other words, It is not  color coated aluminum roofing sheet  at all. This kind of roofing sheets require little about outlook and cost less than painted ones. Normal surface treatment methods for such sheets are embossing (irregular or regular patterns) and advance passivating (oxidized protective film). Paint coating, on the other hand, means to coat paintings onto the surface of an aluminium sheet and make it a real piece of  color coated aluminum sheet . There are two basic types of coating processes available: spray coating a...

Aluminum Honeycomb Panel for Construction

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Aluminum honeycomb panel for construction  is winning increasing popularity. It’s widely used as wall cladding, wall panels, ceilings, flooring, partition panels and furniture boards etc. An  aluminum honeycomb panel  consists of three parts: the front plate, the back plate and the honeycomb sandwich. The sandwich is a honeycomb-like layer composed of numerous small closed hexagon spaces. This is another example of human kind learning from the nature. Unique structure of hexagon spaces enhance the integrated strength of honeycombs substantially. Honeycombs can be so strong that it’s hard to tear them apart by bear hands. They remain safe and sound in either rainy or windy days. Special structures create extraordinary mechanical property. Honeycomb panels withstand much more load than a solid plate of the same weight.   If you’d like,  aluminum honeycomb panel for construction  can help you finish both exterior and interior decoration in all panel-requiring ca...

Mirror Polished Aluminum Sheet Used for Lighting

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Mirror polished aluminum sheet  is the most widely applied type of aluminum mirror sheet. The lighting industry serves as a big consuming market. Generally speaking,  aluminium mirror sheet  can be divided into two types in accordance with surface treatment methods:  Polished Aluminum Mirror Sheet and Mirror Finish Anodized Aluminum Sheet . Polished sheets have poorer performances in reflectivity and stability. Usually three series of alloys serve as raw materials of polished sheets: 1xxx, 3xxx and 5xxx. 1050, 1060, 1070 and 1100 sheets have the weakest hardness but excellent tensile strength. 3003, 5005 and 5057 are all known as corrosion resistant alloys, though 3003 can not compete in either corrosion resistance or hardness with the latter two. Mirror polished aluminum sheet  is used for lighting because of its mirror-like property. A mirror makes the light of a lamp stronger and distributed reasonably. It is actually a science learned by people in ancie...

Aluminium Checker Plate Sheet Used for Wall Decoration

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A luminium checker plate sheet  is also referred to as aluminum tread plate or aluminum checkered plate. It serves as an excellent material for wall decoration. No matter what name it is called, it stands for aluminium plate (thick) or aluminium sheet (thin) with various patterns. The most frequently applied patterns are five bars, one bar, triple grain and diamond, among which one-bar pattern can be arranged into different pattern groups. For example, the bars may be parallel with each other on the surface of a whole sheet, or one bar of a pattern group may from a right angle with the other. Different pattern groups create varied decorative effects. Although  aluminium checker plate  was first used in anti-skid area, it’s applied in wall cladding for decoration and protection. Generally few walls at home are covered with  aluminium checker plate sheet s because it creates a formal and tidy atmosphere which does not match the word “cozy” (typical word describing...

What Decides Oxidation Resistance of Embossed Aluminum Plate

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The oxidation resistance is regarded as a crucial element reflecting quality of  embossed aluminum plate s. It enables  embossed aluminium plates  to withstand severe exterior surroundings with high temperature, moisture or corrosive materials. All manufacturers declare that they supply  embossed sheet s of excellent oxidation resistance, yet superior plates are not so easy to be produced because their oxidation resistance depends upon several factors. From a macro point of view, the oxidation resistance of  embossed aluminum plate s is up to the plates’ original grains, Cr distribution and content of other metals. The variation among original grains will lead to difference in property of the  embossed aluminium sheet . Plates of small and uniform grains are likely to have excellent performance in oxidation resistance. The adding of other metal elements will make spinel structures come into being in an embossed plate. The structures help to stop Fe3 an...

Aluminium Circle Sheets 1050 for Cookware

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As known to all, the  aluminium circle sheet  covers a surprisingly wide application. Cookware and lighting serve as two most popular of its usage areas. Owing to the fact that aluminium circles will usually go through processes of spinning or deep drawing before becoming end products, their hardness must be within a certain degree, or else it would be difficult to carry out such processes. Therefore, the most frequently adopted alloys are 1xxx and 3xxx. The former is applied in products requiring little about strength and corrosion resistance, while the latter is for harder products of higher corrosion resistance.  Aluminium circle sheets for cookware  can be of both series. Aluminium circle 1050  is a common alloy of  aluminium circle for cookware . As a member of industrial pure aluminum, 1050 has good workability and excellent conductivity. Its heat conductivity is 237w per minute, six times of iron and four thirds of copper. It has an aluminum c...

How to Calculate Circle Aluminum Plates’ Weight

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As an industrial product,  circle aluminum plates  are usually purchased by weight rather than by piece quantities. Generally sellers would ask “how many tons (not pieces) would you like”, because  circle aluminum plates  are bulk commodities in international business. They serve as main raw materials for factories of cookware, lighting and various containers. All these products are in increasingly large demand in the market and are produced in large quantities every single day. When you purchase  circle aluminum  by weight, how to check whether you have received circle plates of the given weight? The directest and simplest solution, of course, is using a scale. Large scales help to check the total weight, and small scales the unit weight of a single piece. This sounds perfect, but how do you know you get  aluminum circle plates  of your desired size as well as weight? In other words, your specification for the plates are stable, how do you ...

Aluminum Strip for Charge Air Cooler Fin

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Aluminum strip for charge air cooler fin  refers to the type of aluminium tape used as a raw material for charge air cooler fins. The strip is usually between 0.1mm and 0.4mm thick. Its width can be 12.5mm (known as narrow fins) or 16mm (wide fins), but cooler manufacturers can customize specifications in accordance with their designs. Generally speaking, pure  aluminum strip 1060 , 1070 or 1100 is adopted, but 3003 or 4343 may also be selected to meet special requirements about corrosion resistance. In case of requirement for highly strong corrosion resistance, copper or stainless steel strips is used to take place of aluminium belts. Aluminum strip  has been selected as a regular material for charge air cooler fins because it has the biggest integrated advantages over copper and stainless steel. As the key component for coolers, fins must be able to conduct heat efficiently to realize an ideal cooling effect. The heat conductivity values of copper, aluminium and ir...

Aluminum Bars Application and Production Process

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Aluminum bar s are also known as  aluminum rod s. They are strip-like solid aluminum of various cutting sections: round, square, triangle etc. The section shape of aluminum bars are made in accordance with different applications. The rods can be produced into electricity wires and cables, building facial panels and ceilings, and profiles of windows etc. The purity (aluminum content) of  aluminum rod s is usually between 98.8% and 99.7%. Precisely manufactured bars prove to be even harder than many alloy steels, which makes it an ideal substitute of steel structures in various cases. What’s more, the bars are only half heavy of steel bars of the same volume. What’s the production of  aluminum rod s is like? First, the content and weight of raw materials (metals) should be calculated carefully in accordance with desired alloy model of aluminum bars. This is very crucial, because any slight error might lead to changes in alloy models. In some cases this will make finish...

Spray Coating of Aluminium Flat Strip

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The phrase “ aluminium flat strip ” has been used to differ itself from aluminum profile strip or even aluminum bars. Generally it simply refers to  aluminium strip s obtained by slitting of aluminium rolls. As an irreplaceable industrial raw material, it’s wide applied for transformers, high frequency welding aluminum spacers, heat exchanging fins, cables, punching, composite plastic pipes, shutters etc. Over the years some terms have been developed to distinguish aluminum strips of various usages, like aluminum edge strip, aluminum strip for air cooler fin etc. The main purposes for spray coating of  aluminium flat strip  are decreasing and oil removing. The methods are similar to the coating of liquid paintings. Putty should be applied properly in accordance with defect degrees of the strip surface. After the putty gets dry, the strip can be sprayed with coatings. In a field of standing static electric, the firing power is connected to the electrode and the strip ...

Coating Process for Color Coated Aluminium Sheet

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To solve problems of color difference and color matching difficulty, many  color coated aluminium sheet manufacturers are trying a simper solution: surface coating of paintings. After demoulding of plates with color pastes, the plate is further coated with a layer of colored painting on the surface. The exterior painting layer covers any part with possible problems of color difference. This kind of special painting gets dry within minutes after being coated, and there’s little color change after it gets dry. Therefore, it’s relatively easy to mix desired colors. Some manufacturers even leave out the process of color paste painting. They just pack base plates together and then coat them with paintings of required colors before delivery. This actually saves trouble, flooring space as well as cost! Experiments show that the first kind of coating can not withstand 25 freeing and thawing cycle tests. The painting peels off after five or six times of tests, leaving the paste layer...

PVDF Color Coated Aluminum Coil Features

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Briefly speaking, the color coating of aluminum coil refers to coating a layer of film onto the roll’s surface.  PVDF color coated aluminum coil s have stable properties, excellent corrosion resistance and long service life. Therefore, they bring about considerable profit in the long run.  Color coated aluminum  ranks top by light weight among regular industrial metals. It’s easy for workers to carry and move the rolls as well. PVDF is regarded as the best paintings for  color coated aluminum coil s at present. In comparison to other paintings (pe included), it boasts stabler property, stronger weather resistance and longer durability. An American team made an experiment in Florida, well-known for heated sunshine, and found that pvdf painted aluminum rolls could last decades there. In addition, the pvdf color coated aluminum coil offers a comfortable tactile impression. As a newly popular metal material, it has prominent performance in construction and decorati...

Application Of Aluminum Foil Roll 8011 | Haomei Aluminium

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Aluminum foil is among the most popular of aluminum metal products. Owing to the fact that it’s usually made into rolls to meet packing and application requirements, it’s also referred to as  aluminum foil roll s. Speaking of the alloy of the rolls, many people would think of 8011. The regular alloys include 8011 and 3003, and  aluminum foil roll 8011  does cover a wide range of application. It’s not exaggerating to say that  aluminum foil roll 8011  takes up the whole share of  aluminum foil market. The only regular usage of 3003 is as a raw material of food containers. 8011 has the same usage. Further more, it has so many other usages as well. First, it’s usually applied at home for food packing. This type of alu foil is the thinnest of all, only 9 micro thick, and the thickest is below 20 micron. You can use it to wrap food which is to be stored in the fridge, baked at a barbecue or prepared for a picnic. The second largest usage is as the raw mater...

5052 アルミニウム コイル

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1)合金:1050,1060,1100,3003,3004,3005,3105,5005,5052,5083,5754 2)気分:様々なステータス 3)厚さ:0.2~20ミリメートル 4)幅:100~2650 mm 5)重量:コイルあたり2.0-2.5トン 6)長さ:9500mm /コイル 7)寸法および重量は、顧客の仕様に従って製造することができる。 8)パッキング:海の価値のある木製パレット。 9)納期:30日以内 10) 応用: 交通ツール, ドア&窓, ヒートシンク, 装飾, アルミニウムトレッドプレート、傘リブ、車体,その他   製品の説明 5052 アルミニウムコイル は、幅広い用途と将来の有望なAl(アルミニウム)-Mg(マグネシウム)合金の一種です。 耐食性、溶接性、冷間加工性に優れています。 1xxxと3xxxシリーズよりも難しいです。 ロールは、疲労、良好な塑性性、および良好な切断性に対して高い耐性を有する。 研磨に適しています、それは通常建設、装飾、自動車アクセサリーなどに使用されます。典型的な製品は、アルミニウムトレッドプレート、傘リブ、車体などが含まれています。   パッケージの詳細 1. それは、コンテナーまたはバルク容器でパックできます。 2. 20 ft コンテナーは 18 を読み込むことができます 〜 20 トン、40 フィート コンテナーは読み込める 23 ~ 25 トン。 3. 標準航海パッケージをエクスポートし、ワイヤを使用して、バンドル製品 #39; によると s サイズ。   主な輸出市場: アジア オーストラレーシア 中央/南アメリカ 東ヨーロッパ 中東/アフリカ 北アメリカ 西ヨーロッパ Reprinted from http://www.alujp.com/5052-aluminum-coil.html

Polished Aluminum Mirror Sheet and Mirror Finish Anodized Aluminum Sheet

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Polished aluminum mirror sheet  refers to mirror alu sheet which has gone through a polishing process. Polishing means to make a piece of aluminium sheet become clean and bright through mechanical friction of its surface. This process is of little help in improving the sheet’s corrosion resistance which can be realized by anodizing, a kind of electric-chemical reaction during which the micro holes on the sheet’s surface are sealed. Therefore,  polished aluminum mirror sheet  can not compete in quality with  mirror finish anodized aluminum sheet , because the latter has gone through both processes of polishing and anodizing. It’s also acceptable to have a sheet anodized directly without polishing, but the precondition is that the sheet’s surface is clean and even, otherwise it must be polished first to guarantee anodizing effect. Generally speaking, it’s not advised to polish an anodized sheet, which will damage the anodized film on the surface. Polished aluminu...

อลูมิเนียมม้วน/ขดลวดอลูมิเนียม 5052

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อุณหภูมิ: O, H24, H32, H34, H112 ความหนา: 0.2-8 มม ความกว้าง: 100-2650 มม การประยุกต์ใช้: แผ่นอลูมิเนียมยาง, ซี่โครงร่ม, ยานพาหนะ ฯลฯ 5052 อลูมิเนียมขดเป็นชนิดของ Al (อลูมิเนียม) -Mg (แมกนีเซียม) อัลลอยด์ของการใช้งานกว้างและมีแนวโน้มในอนาคต มีคุณสมบัติทนต่อการกัดกร่อนได้ดีสมบัติการเชื่อม และคุณสมบัติการทำงานที่เย็น มันยากกว่า 1xxx และ 3xxx ม้วนมีความต้านทานต่อความเมื่อยล้าดีมีความเรียบและไม่ดี เหมาะสำหรับขัดมันมักใช้ในการก่อสร้างตกแต่งอุปกรณ์ ตกแต่งรถยนต์เป็นต้นสินค้าทั่วไป ได้แก่ แผ่นอลูมิเนียมดอกยางซี่โครงร่มยานพาหนะ ฯลฯ การบรรจุและการชำระเงิน 1. บรรจุ: บรรจุภัณฑ์กระดาษและพาเลทไม้ 1 ตัน 1.5 ตัน หรือ 2 ตันตามคำขอของคุณ 2. ใบรับรอง: ใบรับรองถิ่นกำเนิด 3. จัดส่งเวลา: 20 วันทำการ 4. การชำระเงิน: 30% ล่วงหน้า สมดุลกับสำเนา B/L 5. ปริมาณการสั่งซื้อขั้นต่ำ: 2 ตัน 6. ท่าเรือ: ชิงเต่าเซี่ยงไฮ้หรือท่าเรือน้ำทะเลของจีนอื่น ๆ Reprinted from http://www.alu-th.com/5052-aluminum-coil.html Inquiry email: april@aluminumhm.com  Wechat/skype/mobile: 0086 1583802949

One-bar Embossed Aluminum Sheet Metal Used for Stair Steps

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One-bar refers to a bar-like pattern type embossed on metal sheets. One-bar  embossed aluminum sheet metal  is among the most widely applied  embossed aluminum . Other popular patterns of  embossed aluminum sheet  include diamond and five bars. Most common alloys of  aluminum sheet metal  can be made into one-bar embossed sheets, such as 1050, 1060, 1070, 1100, 3003, 3004, 5005 and 5052. The unique one-bar pattern has two basic functions: slip resistance and decoration, therefore, sheets with such a pattern are usually used for walls and flooring, among which are stair steps. One thing worth emphasizing is that one-bar  embossed aluminum sheet metal  does not serve as material for the whole body of stair steps. It functions only as a cover, the main body of a stair is still made of steel and concrete. In most cases, new concrete stair steps are rough enough to prevent people from slipping over, but their surface gets slippery soon after ...

Silver Halid Diffusion CTP Plates

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Silver halid diffusion  CTP plate s are also referred to as Lithostar Ultra plates. Early CTP technology mainly adopted photosensitive technology that realizes direct plate making of a computer by laser scanning of the photosensitive material on the plate. The material gets exposed during the scanning process. In spite of diversity in photosensitive plate material types and photosensitive mechanisms, the core photosensitive material of all early CTP plates was silver halide. Because of this very reason, the early generation of  CTP plate s are referred to as the silver halid diffusion version. Its greatest advantage lies in fast exposure speed. Up to now, it remains to be the fastest of all materials, defeating both  thermal ctp plate s and violet laser polymer plates. Silver halid diffusion  CTP  plates are mainly divided into three types: upward diffusion type plate, downward diffusion type plate and silver salt&PS composite plate. Owing to obvious we...

How to Select 5 Bar Aluminum Tread Plate

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5 bar aluminum tread plate  refers to aluminum plate with the pattern of five-bar groups. The groups are so skillfully arranged on the sheet surface that each group forms a fixed angle with its surrounding groups. What’s more, all the angles formed by any random adjoining groups are of the same degree, which creates perfect anti-skip effect of a sheet as a whole. The 5 bar  aluminum tread plate  is usually applied as coverage for stair steps, flooring material for refrigeration store rooms, fridge inner panels, wall cladding for gyms and even tool boxes. Then how to select  5 bar aluminum tread plate , anyway? To pick out satisfying  5 bar aluminum tread plate s from confusingly numerous brands and suppliers, you need to check their thickness, process, price and service. Thickness does not refer to that of a finished plate only. Top quality tread plates should meet international standards in thicknesses of both base plates and anodized films. The base pla...

1050 HO Temper Aluminum Circle Plate Used in Cookwares

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1050 ho temper aluminum circle plate  is representative of 1000 series of aluminum discs. H and O are two common series of tempers for aluminum circle plates. O refers to the soft state of the plate without cold hardening which means to improve  aluminum circle plate ’s hardness by special processes. For example, H1 means the hardness obtained by pure cold hardening, and H2 means that the plate has gone through a further process of incomplete annealing, because its hardness after cold hardening surpasses that required, while H3 refers to the hardness after both processes of cold hardening and stabilizing treatment. Therefore, H state may stand for H1, H2, H3 to H112. The second number after H represents the circle’s hardness degree, which weakens successively from 9 to 1. The third number refers to special treatment of the plate’s surface or shape, like coating, extrusion, embossing etc. 1050 ho temper aluminum circle plate  has a wide range of application. It even h...

Filtration and Circulation Systems For Aluminium Foil Roll Rolling Oil

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The casting of  aluminium foil roll s can not be realized without filtration and circulation of the rolling oil. Then what are structures and working principles of the two systems? Rolling Oil Circulation System for  Aluminium Foil Roll s The circulation system consists of two branch systems: the cooling system composed of a clean oil tank, a heater, a cooler and a rolling mill, and the filtration system with components of a sump oil tank and a filtration pump (with a board filer and clean oil tank). The filtration system should be started before the rolling process, during which the filtering system must keep working and be checked about working state regularly, otherwise the clarity of rolling oil might decrease and dirty oil may get into the clean oil tank. The clean oil tank should be full any time even if some clean oil might flow into the dirty oil tank. It’s not necessary to stop the filter in case of short ceases of the production line so that the dirty material...