polytetrafluoroethylene PTFE powder
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Basic Parameters:
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The molecular number of PTFE powder is only 1% of the general PTFE which not only maintains the excellent performance of the original, but also has high crystallinity dispersion, and easy to be uniformly mixed with other materials. It is widely ud in the synthesis material modification, and can significantly improve the lubricity, wear resistance, non-adhesive and fire retardant of the substrate. Also can be applied to plastic processing modified plastics, modified resin, PTFE cable; nior non-stick coating, high corrosion fluorine coating in coating industry; printer ink jet powder in printing ink; transmission machinery nior lubricating oil and high load low velocity grea; roller non-stick coating in textile industry; military special material and high value-added products, etc.
In the area of Synthetic material, PTFE powder can be ud as modifier for the composite material. It is reported that in the world market almost all the engineering plastics with improved lubrication properties are mixed with PTFE powder. For example, adding 5%-25% of PTFE powder, the parts made from polyamide (PA), polyacetal (POM), polycarbonate (PC), acrylonitrile - butadiene - styrene copolymer (ABS), polyethylene(PE) and other high performance engineering resin can significantly improve their wear, friction and viscous sliding properties etc., which can be ud to make gears, bearings and pulleys, and can also be ud to take the place of lubricant metal components in order
to reduce the weight of workpiece and maintenance costs.原木风格装修
PTFE powder can improve the surface properties and bulk properties of rubber. For example,
adding 10% (by mass) of PTFE , silicone rubber, fluorine rubber, EPDM rubber and polychloroprene can improve the friction properties, wear properties and stripping behavior, crushing strength of rubber (rubber elastic behavior without apparent damage), which can reduce tearing rate when the rubber in the ejection process.
In the area of printing ink, PTFE powder is added into offt printing, gravure printing and flexible printing ink as additive. General dosage is 0.1% -3% of the solids, which can significantly improve ink sliding, surface smoothness, gloss, and make printing product rubbing. PTFE powder can also reduce congestion, the demand for fast printer and can effectively avoid paper bonding.
Adding PTFE powder in the coating can get many kinds of special high performance coatings to meet the coatings industrial needs of the industrial development (the add content of the powder can reach up to 60%). Main role is to improve the coating viscosity and lubricity, reduce friction coefficient, improve wear resistance and corrosion resistance, reduce moisture absorption, improve paint spray casting performance, increa the critical film thickness and improve the thermoforming
properties. In marine anti-fouling coatings the content of PTFE powder is 30% which can effectively prevent the mollusks attaching at the bottom. Adding PTFE powder are polyimide, polyether sulfone and polyphenylene sulfide etc. After baking in the 400 degrees high temperature, they still show excellent resistance to viscosity, and can be ud in the continuous high temperature. Their performance does not occur to change. As anti-sticking coating it can be ud in food and packaging industries and can be u d for houhold appliances, drinking utensils, anti-chemical corrosion of metal parts, automotive and electronic parts superior. Especially in automobiles, houhold appliances and consumer goods, industrial production areas it also has very good prospect.
婴儿感冒咳嗽怎么办Adding PTFE powder in the lubricating oil and grea can improve the material's high pressure, high temperature lubrication. Even the loss of ba oil, PTFE powder can also play a role as dry lubricant. Silicone oil, mineral oil or paraffin oil, added by PTFE powder can improve the oil viscosity. The viscosity of ba oils and lubricants required for the consistency and applications depend on the dosage of PTFE powder. Usually the addition level is 5%-30 % (mass fraction). Adding PTFE powder resin, rosin, mineral oil, can get high-quality lubricants which are widely ud in ball bearings, wear-resistant bearings, lubrication guide, slider, open gear, chemical equipment, valves, precision machining plane alant and so on. In addition, PTFE powder can be ud as dry lubricant
such as graphite, molybdenum disulfide and the effect is good. It can be mixed with propane and butane to be not only ud as non-stick and anti-wear spray, but also the additives for rocket. PTFE powder can also be ud as an effective grea thickener in the lubricant.
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Specifications
醪糟怎么吃No.Item Unit Index Value
1Exterior White Fine Powder
2Moisture content%≤ 0.03
3Average particle size D50μm5
4Tensile strength Mpa8.0
5Fracture elongation 60%
圪崂6Apparent density g/cm20.56 g/cm2 7Thermal gravitational%Wt≤ 0.2渐变图
8Corrosion resistance No change 9Molecular number10000-30000 10Melting point℃327±5
尾斗湖
11Decomposition temperature℃430
12Melt viscosity Pa.S102∽106
