Extruded PTFE (ePTFE) tubes are manufactured through a complex process that involves blending PTFE fine powder resin with an extrusion aid, followed by extrusion through a die to define its profile. The extruded material is then stretched under heat to achieve a soft, marshmallow-like texture. The stretching parameters play a crucial role in determining the final characteristics of the ePTFE, including texture and porosity.
Applications of ePTFE tubes are diverse due to their unique properties. The texture is favored for gasket materials, while porosity is utilized in membranes and filter applications. The porosity allows gases and vapors to pass through while blocking liquids, making ePTFE ideal for venting and high-end filtration applications. It ensures leak-proof systems while allowing excess gases to escape and prevents water from entering electronic enclosures while evacuating accidental moisture buildup.
Advantages of ePTFE tubes include the combination of texture and porosity, making them highly flexible and resistant to kinking, unlike regular PTFE tubes. They are suitable for systems requiring liquid passage and vapor expulsion. ePTFE tubes find applications in chemical and medical fields, including surgical grafts and stents, in addition to automotive uses.
Despite the challenges in manufacturing ePTFE tubes, overcoming these difficulties results in a versatile and highly effective product with a wide range of applications.
Place of Origin: China
Standard: Medical and industry
Application: Chemical water and gas filtration, automobile oxygen sensor for sealing,other application need pore duffusion of gas.
Tensile Strength: excellent
Color: black, white, red, yellow, blue, green, transparent; other colors available for customization.
Feature: Excellent Electrical Insulation
Size: Customized Size
Spec: From OD1.5mm to OD13mm, one piece continuous length can be made to several meters without knots, special specifications can be customized according to requirements.
Sample: Free Sample Avaliable