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PTFE Free Flow Molding Powder

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    2020-01-21 03:58

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Zhejiang Quzhou Youpont Fluoro-material Co.,Ltd
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Room 401, 4th Floor Fangyuan Chengxin Business Building NO.113 Xinqiao street, Quzhou, Zhejiang, China

Product details

PTFE Free Flow Powder

● PTFE is chemically Inert & nonreactive to almost all known chemicals.

● PTFE has Excellent Thermal Resistance up to 260°C

● PTFE is Non-adhesive, not bondable & has Anti Stick Properties

● PTFE is material with Exceptionally low coefficient of friction

● PTFE has Outstanding Electrical Insulation properties

● PTFE has Excellent weathering resistance

PTFE is a polymer with high melting point and melt viscosity. In PTFE, due to large fluorine Atom, PTFE Molecule takes up a twisted zigzag, with the fluorine atoms packing tightly in a spiral around the Carbon-carbon skeleton. The first melting point of PTFE is 342°C (648°F) and the melt viscosity is in the range of 1011–1012 poise at 380°C (716°F). This high melt viscosity inhibits any flow similar to that known for other thermoplastics. Hence non conventional processing methods have been developed to accommodate PTFE's unique properties based on powdered metal processing technology. There are three basic techniques for moulding suspension polymerized or granular PTFE. These techniques are- Billet & Sheet moulding, Automatic moulding and Isostatic moulding.

PTFE free flow powder are mainly used for automatic molding to make sheet, technical data as follows:

Appearance: White powder no impurities

Tensile strength: 26.5Mpa

Elongation at break: ≥300%

Volumetric density: 600-800g/L

Particle size: 400±600μm

Moisture: ≤0.03%

Melting point: 327±5

Heat instability: 50

Natural angle: 35

S.S.G.: 2.13-2.18

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