(1)made of PTFE resin and a certain filling agent such as carbon fiber, graphite, molybdenum disulfide, glass fiber and bronze powder.
(2)PTFE filling products are made of high-speed mixing PTFE resin and a certain volume of filling agent such as carbon fiber, graphite, molybdenum disulfide, glass fiber and bronze powder etc., shaped by moulding, then through high heat sintering. We can also produce according to clients' requests.
(3)it is homogeneous in structure with smooth surface, not permitting the crack, air bubble, separated layer, mechanical damage and so on.
Because of the addition of filling agent, some characteristics of PTFE are greatly improved, especially for the abrasion resistance, heat conduction, contravariance and self-lubrication, which are obviously better than pure PTFE products. It is suitable to be used in the temperature range of -180-+260 as sealing parts or guiding parts.
Changed characters by filling chemical substance:
Glass fiber: Increases compressive strength, rigidity and wear. Reduces creep and cold flow
Minimal effect on chemical and electrical properties
Carbon: Increases compressive strength, hardness, wear, and load properties. Good chemical resistance. Various types and amounts of carbon can be added to alter conductivity
Bronze: Increases hardness and wear resistance. Increases dimensional stability and compressive strength. Not suitable for corrosive or electrical applications
Molybdenum disulfide: Increases hardness, stiffness, and wear. Minimal effect on chemical and electrical properties
Graphite: Reduces coefficient of friction. Reduces initial wear. Increases strength.
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