PTFE Porous Membrane is made from 100% virgin PTFE with biaxially oriented.Due to special microporous structure,it have high breathability,high tensile strength.In possession of the characteristics of chemical corrosion resistance,food grade,aging resistance,high water pressure resistance, High particle interception rate,frame proof,not sticky,it is widely used in incineration,clothing,cement,medical,chemical industrial fields and so on.
Expanded PTFE Gasket is 100% PTFE, resistant to all corrosive media. Soft, twistable and bendable at will. Excellent anti-wriggle variation ability and cold current resistance, even in case of cross change of temperature and pressure, good sealing can be assured.
Expanded PTFE yarn is made from 100% white pure virgin PTFE resin. It is flat type,without lubricants,through expanded Process, high tensile strength.it is an ideal raw material for ePTFE braided packing or other braided packing combination.
Expanded PTFE spiral wound gasket filler material is made from 100% white pure virgin PTFE resin. It is unique tape, will not age, harden, shrink or dry out in service, unaffected by common chemicals.With good sealability and flexibility, it can seal rough or damaged surface.it is widely used in spiral wound gasket.
Expanded PTFE Sheet is made from 100% virgin PTFE with biaxially oriented,and more strength than ptfe joint sealant. it is white color，peak temperature 310℃，In possession of the characteristics of self-lubrication, low coefficient of friction and widely chemical corrosion resistance with good resistance of pressing, cold flow,and creep relaxation.
Polyethylene tubing is commonly used in a wide range of industrial and consumer applications, including in the food and beverage, medical, and chemical industries. However, polyethylene tubing is not as temperature resistant as PTFE tubing and may not be suitable for certain applications that involve high temperatures.
(a) Preforming to compress the compound of PTFE fine powder and lubricant and remove the air in the compound. (b) Paste extrusion to make a rod by the press extruder machine from the preform. (c) Calendaring to make a primary tape from the rod by a twin-roller.
Modified PTFE offers many advantages over PTFE. Lower deformation under load, better fatigue performance, easier to weld, better transparency, higher elongation and higher dielectric strength. Modified PTFE, like PTFE, has excellent chemical resistance and a very low coefficient of friction.
Both PTFE and Expanded PTFE have good chemical resistance. Additionally, Expanded PTFE has better creep resistance and cold flow. Some of the key characteristics of PTFE are as follows: It can perform well in environments with temperatures as high as 260 Degree Celsius.
Limitations of PTFE:
Non-melt processable material.
Low tensile yield strength and modulus (when compared to PEEK, PPS and LCP)
High wear behaviour in unfilled state.
Not weldable.
Sensitivity to creep and abrasion.
Low radiation resistance.
The supplier abide the theory of "quality the basic, trust the first and management the advanced" so that they can ensure a reliable product quality and stable customers.
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