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| 8021 Aluminum Foil for Soft Pack Battery |
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Posted by: typeFrorp - 12-08-2020, 08:34 AM - Forum: Knowledge & Technique
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8021 aluminum foil is an important kind of battery grades aluminum foils. Its thickness is 0.018mm-0.2mm, and the width can be controlled to 100-1650mm according to customer requirements.8021 aluminum foil has good deep drawing performance, good electrolyte corrosion resistance and good heat seal strength, which is the preferred aluminum material for soft pack battery.The battery soft pack foil is used in various types of lithium batteries such as soft pack lithium batteries and polymer lithium batteries. The battery soft pack foil is a layer of polymer shell on the liquid lithium ion battery.The soft pack battery has two layers. The outside layer is made of 8021 aluminum foil, plastic film, special glue, which forms a aluminum-plastic film. The inside layer is 1235/1060/1070 aluminum coated with lithium iron phosphate and The lithium manganate ternary material.In the case of potential safety hazards, the soft-pack battery will only deflate at most, and will not explode like the battery with metal shell.Since soft pack batter is lighter, safer and of longer service life, it is widely used for electric bicycles, electric vehicles, electric tools, electric toys, emergency lighting, portable power supplies and mine safety equipment.Haomei 8021 aluminum foil has good elongation, which is commonly used in deep-drawing packaging material. If you need 8021 foil for soft pack battery, welcome to contact us directly.
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| PCB Entry Sheets Copper Substrate V Aluminum Drilling Entry Sheet |
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Posted by: PennySsk98 - 12-08-2020, 08:34 AM - Forum: Knowledge & Technique
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Both the aluminum substrate and the copper substrate are of excellent heat dissipation performance when used for making PCB entry sheets. But due to the difference in the nature of the two metals, the performance of the aluminum substrate and the copper substrate is different under the same conditions, and the thermal conductivity of the copper substrate is higher than aluminum drilling entry sheet.Thermal conductivity difference between copper substrate and aluminum substrate: Copper substrate: about 400 W / M.KAluminum entry board: 200 W / M.KThe difference of copper substrate and aluminum entry sheet in processability:1. The metal base can get a fine pattern by etching the circuit. Copper substrate can be processed into a convex shape, and the components can be directly pasted on the convex surface, realizing heat dissipation effect.2. Due to the PCB processing technology itself, metallization cannot be directly realized on the aluminum base surface (such as a single aluminum substrate), and the copper base can be processed into metallized holes, so that the corresponding single panel or multi-layer copper substrate has excellent grounding performance.Since copper itself can be welded, so that the final installation of the designed structural parts can be welded,which has better heat dissipation.3. Due to the difference in the elastic modulus of copper and aluminum (the elastic modulus of copper is about 121000MPa, the elastic modulus of aluminum is 72000MPa), the corresponding warpage and expansion and contraction of the copper substrate will be smaller than that of the aluminum substrate, and the overall performance is more stable.With the increasing density of PCB electronic components and the density of integrated circuits, the speed of signal transmission is accelerating. The corresponding power consumption also increases accordingly.In the future era led by 5G networks, radio frequency signals require excellent grounding performance, and heat dissipation requirements will also be greatly improved. The performance of ordinary rigid PCB boards will not meet their requirements. The demand for aluminum drilling entry board and copper substrates will be larger.Although copper substrate has better performance, aluminum PCB sheet is more easily accepted by the public and has broader application prospect in terms of processing cost.
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| The Special Aluminum Nose Wire for Face Mask |
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Posted by: igraprestolov8sezonkcs - 12-08-2020, 08:34 AM - Forum: Knowledge & Technique
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Face mask now is an effective way to protect ourselves. To reach the designed protective effect, the aluminum nose wire plays an important role. How much do you know about it?The aluminum nose wire for face mask is different from the ordinary aluminum alloy material. It needs to be anti-rust, anti-corrosive and of high brightness. Besides, it should also be of good straightness, no deformation, good toughness, high strength and stable size.During the processing, the aluminum nose strip can be bent continuously with bending equipment and has excellent adhesion with various types of glue. It should also have excellent sealing effect,which is not easy to leak.The features of aluminum nose wire for sale includes: smooth surface, no burrs, perfect combination with non-woven materials. With aluminum nose wire, the face mask can effectively block dust, smoke, influenza virus and so on. Aluminum nose wire can be used for N95, N100, R95, P95, 9000, FFP2, FFP3 and other masks.The aluminum nose wire with adhesive on the back is attached to the mask by a mask nose bridge welding machine. What Haomei Aluminum offers you is the aluminum strip for face mask. It is 1060 and 3003 aluminum alloy.
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| Aluminum Nose Strip For Face Mask |
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Posted by: Wigqkata - 12-08-2020, 08:34 AM - Forum: Knowledge & Technique
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Since the outbreak of COVID-19 is really unexpected, the shortage of N95 face mask faces to many countries. The production of aluminum nose strip is the key to the production of N95 masks.N95 mask is one of 9 kinds of particulate protective masks certified by NIOSH. N95 is not a specific product name. As long as it meets the N95 standard, and the product passed the NIOSH review, it can be called the N95 mask, which can filter particles with physical diameter 0.075µm ± 0.020µm over 95%.During this epidemic, N95 masks can effectively block the new coronavirus, which has made great contributions to the isolation and protection work. The N95 mask aluminum strip is a key part of the production of N95 masks.The aluminum nose bridge for face mask is used as the positioning between the two sides of the nose wings, and it can be perfectly combined with the non-woven fabric material and the environmental protection material by polymer fusion, so that the N95 mask is in good contact with the wearer's face.The aluminum strip for face mask is pure aluminum alloy like 1060 or 3003 aluminum strip with O temper, which has high plasticity, corrosion resistance and good bending resistance. Haomei has strict control and inspection of every link from raw material to the finished product.
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| The Specification of Aluminum Strip For Face Mask |
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Posted by: loraku3 - 12-08-2020, 08:34 AM - Forum: Knowledge & Technique
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With the spread of the COVID-19, masks have become one of the necessary daily necessities. In addition to strict standards for non-woven materials and technologies, aluminum nose clip also has great effect on the quality of face mask, of which the main function is to fit the shape of different people's faces.The aluminium nose wire of the face mask supports the bridge of the nose and prevents dust from entering, which is usually used in surgical masks and a variety of protective masks. Aluminium nose wire is one of the common types.Aluminium nose clips roll is generally used for medical masks, folding masks, cup-type masks,respirator mask, breath mask ,disposable face mask, health face mask, planar face mask, etc. for automatic manufacturing. It has two types: with glue and without glue.The aluminum strip for face mask has the following advantages:1. ECO-friendliness. It can be disposed of in an environmental way.2. Without external force rebound, it can maintain the original shape.3. It is easy to adjust the shape individually when people use the face mask, which makes the face mask more comfortable and more efficiently to resist harmful substance.The specification of aluminum strip for face mask:1. Aluminum alloy: 1060 and 3003.2. O Temper3. Mill finish4. Thickness: 0.4*0.5 mm5. Width: 90-100 mm
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| Aluminum Nose Wire V Other Nose Wires |
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Posted by: ywwfgygo - 12-08-2020, 08:34 AM - Forum: Knowledge & Technique
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The nose bridge strip is a thin strip used inside the mask, which plays he role of fixing the mask on the bridge of the nose. The general specifications are: 3.00mm * 0.80mm, 3.50mm * 0.80mm, 3.80mm * 0.80mm and 5,,*9mm.With the wide spread of COVID-19, masks have become one of the necessary daily necessities. In addition to strict standards for non-woven materials and technologies, the quality of nose bridge strip also has vital influence on its protective function.For disposable medical masks, there are several kinds: aluminum nose wire, iron-plastic strip and plastic strip. For N95 face masks, there are two nose bridge strips: one is iron-plastic or plastic nose wire inside and the other is aluminum nose strip outside.Compared with plastic one, aluminum nose wire is recyclable and ECO-friendly. In comparison with other metal, aluminum is of superior properties and higher recyclable value. What’s more, its rich specification and easy processing ability can satisfy the present need better.The aluminum strip for face mask is of good rust protection, corrosion resistance, high brightness, good straightness, no deformation, stable size, good toughness and high strength. In addition, it also can undertake continuous bending and have excellent adhesion with various types of glue. That’s why more mask manufacturers choose aluminum nose strip.Haomei Aluminum can offer you superior aluminum strip for face mask:1. Aluminum alloy: 1060 and 3003.2. O Temper3. Mill finish.4. Thickness: 0.4*0.5 mm5. Width: 90-100 mm
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| How to Choose Aluminum Nose Clip Roll |
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Posted by: TereseMix - 12-08-2020, 08:34 AM - Forum: Knowledge & Technique
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With the outbreak of COVID-19 globally, face masks especially N95mask has been a necessary protective goods for most people. In addition to strict standards for non-woven materials and technologies, the qualified face masks also has high requirements for the nose bridge, of which its main function is to fit the shape of different people's faces.There are several common nose strips: 100% plastic nose wire, single iron core nose wire, double iron cores nose wire and aluminum nose clip roll. Which one to choose? For disposable medical masks and disposable surgical masks, they are all available for selection. For the outside nose bridge of N95 mask, flat aluminum wire is the most common choice.The aluminum nose clip roll is made of 100% aluminum. The common size is 9 mm length and 5 mm length. There is also a 3 mm type aluminum nose wire,which will be a little expensive because of its lower productivity.The material of the aluminum nose clip roll is different from that of ordinary aluminum alloy products. The aluminum strip for face mask must be of good rust protection, corrosion resistance, high brightness, good straightness, no deformation, stable size, good toughness and high strength.In addition, it also needs to undertake continuous bending and have excellent adhesion with various types of glue. For reaching so much requirement, the aluminum nose clip roll must come from an experienced manufacturer.Haomei Aluminum can offer you quality aluminum strip for face mask. The specification is shown in the bellow:1. Aluminum alloy: 1060 and 30032. O Temper3. Mill finish.4. Thickness: 0.4*0.5 mm5. Width: 90-100 mm
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| The Research Report of Battery Grade Aluminum Foil |
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Posted by: sharoniv2 - 12-08-2020, 08:34 AM - Forum: Knowledge & Technique
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The Features of Battery Grade Aluminum Foil1. Aluminum alloy and temperAluminum AlloyTemper1080 1070 1235 1060H182.The surface quality of aluminum foil batteryCompared with the aluminum foil with one side shiny, the 1080 aluminum foil with both sides shiny can significantly improve the consistency of aluminum foil.3. Excellent consistency of thickness and densityThicknessThickness ToleranceDensityDensity Tolerance15µm±0.3µm40.5g/m2±0.85g/m2The consistency of the thickness and density of aluminum foil and battery is controlled within ± 2%, which is significantly lower than the tolerance range of ordinary aluminum foil of ± 5%, which greatly improves the performance of battery foil.4.Large surface tensionThe surface tension of battery aluminum foil is greater than 32 dynes, and the general surface tension of aluminum foil is 29 dynes, which is conducive to improving the bonding performance of the pole piece.5.Large surface tensionThe surface tension of special aluminum foil is greater than 32 dynes, and the general surface tension of aluminum foil is 29 dynes, which is conducive to improving the bonding performance of the pole piece.6.Tensile strengthThe tensile strength of 15µm battery aluminum foil is 200-210Mpa to ensure the processing performance of the foil.7.Strong elongationThe elongation rate of 15µm aluminum foil battery is 1.5% -4.0%, which guarantees the mechanical properties of aluminum foil.The advantage of aluminum foil for battery: It significantly extend the service life of lithium ion batteriesTest condition: 503759-1300mAh, voltage range: 3.0-4.2V, charge and discharge current: 1C / 1C, test temperature: 25 ± 3 ℃Because of the good physical properties of battery and aluminum foil, he cycle performance of the battery has been significantly improved.2. It greatly improve consistency of the internal resistanceThe following figure is the internal resistance distribution of 18650-2600mAh batteries using battery aluminum foil and ordinary aluminum foil.It can be seen from the above data that the use of aluminum foil battery can not only reduce the internal resistance, but also improve the consistency of the internal resistance.3. It can improve the discharge performance of the batteryAfter using battery aluminum foil, the rate performance of the battery is significantly improved, especially in the case of large rate (greater than 3C) that the rate discharge capacity is increased by more than 15%, or under the same rate, battery grade aluminium foil can increase the energy density of the battery.
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| The Requirements for Aluminum Foil Battery |
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Posted by: JosephDaf - 12-08-2020, 08:34 AM - Forum: Knowledge & Technique
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In recent years, the uses of lithium batteries has greatly expanded, and the demand for aluminum foil for lithium ion battery has rapidly increased. Take Samsung SDI, LG Chem, Panasonic, ATL, BYD as example. In recent years, their lithium battery production has a huge growth while the technical requirements for aluminum foil also have been greatly increased.This has a certain stimulating effect on the domestic aluminum foil industry. Battery foil is being recognized as an independent aluminum foil variety. The recent safety accidents such as explosion and spontaneous combustion in the production or use of batteries is a warn for not only the battery industry, but also the aluminum foil. What is the requirements for aluminum foil battery?Firstly, high cleanliness of the aluminum foil. No debris, dust, especially iron debris should be mixed into the aluminum coil, which will seriously affect the safety of the battery during the charging and discharging process.Secondly, high requirements for the shape of aluminum foil. The uniformity of the positive electrode material coated on the surface of the aluminum foil will greatly affect the service life and endurance of the lithium battery.The coating process is almost free of tension, which has a very strict requirements on the aluminum foil, usually below 10I.Thirdly, high mechanical properties of aluminum foil. Under the premise of high purity, the higher the tensile strength and the elongation, the better the aluminum foil. But as we all know, the higher the aluminum purity, the lower the tensile performance. This undoubtedly brings many challenge to the development of battery aluminum foil.Fourthly, high requirements for thickness and pinholes. Having a thinner body is an important way to increase the capacity of lithium batteries. However, the reduction in the thickness of the aluminum foil will inevitably lead to an increase in the number of pinholes. It is another difficulty for the manufacturing of aluminium foil battery.Fifthly, high surface requirements. The surface of the aluminum foil must not have various surface defects such as dark spots, black oil lines, and pits, having close relationship with the uniform coating of the lithium battery and the compaction process, which requires the high cleanliness of aluminum foil machines and the processing environment.Finally, high dyne value. In order to ensure the coating quality, the dyne on the surface of the battery grade aluminum foil should be above 32 dyne, even 34 or 36 dyne.Aluminum foil is one of the main raw materials for power batteries, and its quality management also needs to pass the TS16949 system certification. A dust-free production workshop (300,000 or even 100,000) suitable for the battery production environment has become a necessary condition. Haomei, a big aluminum foil manufacturer, has the solid power to produce quality battery aluminum foil.
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| Bendable Aluminum Strips Saving Money for You |
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Posted by: Anguylirqpi - 12-08-2020, 08:28 AM - Forum: Knowledge & Technique
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The waste in production has been always a big trouble for the manufacturer of aluminum products such as lamps, transformer winding, fins, caps,etc. If there is too much waste in production, it will increase the product cost virtually.At this time, if bendable aluminum strips are used, it can effectively reduce waste, thus decreasing production cost. Therefore, for some lamps and utensils manufacturing enterprises, it is recommended to use flexible aluminum strips.Generally, the aluminum strip is processed by slitting and is produced according to the width required by the order. During the processing, the width tolerance and surface quality can be better guaranteed.Now the bendable aluminum strip has become the first choice for many lighting companies such as LED strips. As the above mentioned, it can save production cost. At the same time, it can simply the production process. If the raw material is aluminum coil, you have to cut and pay attention to the problems during cutting process such as scratches. With aluminum strip, this process is saved.If you plan to buy soft aluminum strip, Haomei Aluminum, aluminium strip supplier, like to make a simple introduction of its manufacturing process:1. Choose an aluminum coil of appropriate thickness. Before processing, make sure that the thickness of the aluminum coil is right.2. Adjust the slitting width of the slitting equipment according to the actual required width. With rich experience, Haomei Aluminum can control the width tolerance within 0.05 mm. The slit aluminum strip must have the same width, neat edges and no burrs.
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