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Home / Products / Flange Sealing Gasket / Nonmetallic Gasket / Pure PTFE Gasket SG-G1201

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Pure PTFE Gasket SG-G1201

Pure PTFE Gasket SG-G1201

Product Name:

Pure PTFE Gasket SG-G1201

Company Name:

Shaoxing Sealgood gasket and sealing Co.,Ltd.

Business Manager:

Adele Shen

E-mail:

[email protected]

Tel:

+86-18106876135
  • Descripton
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Pure PTFE gasket made by cutting PTFE stick, pipe and sheet into flat shape PTFE gasket,v shape PTFE gasket or valve annulus PTFE gasket, it has 100% PTFE structure.

 

Specification：

Item Unit Value
Density kg/cm³ 2.10-2.30
Crystalinity % Resin 93-97
quenched products 50~65
non-quenched products 63~85
Temperature °C -180~260
Melting point °C 327
Distortion temperature °C 55
Vicat softening point °C 110
Thermal-decomposition temperature °C >415
Linear expansion coefficient (perpendicular to pressure direction) 1/℃ 20~60℃ 10.3×10-5
20-100℃ 10.5×10-5
20~150℃ 11.4×10-5
20~200℃ 12.8×10-5
Thermal conductivity W/m.K 0.256
Poisson's ratio（25℃）   0.40
Refractive index % 1.37
Bibulous rate N/Cm <0.01
Contact angle to water （10H2） 114°-115°
Surface tension Ωm 18.5×10-5
Permittivity Ω ≤1.8-2.2
Volume resistivity   ≥1×1015
Surface resistivity   >1010
Arc resistance s ≥300
Tensile strength MPa 27.6
Elongation at break point % 238
Compressive modulus of elasticity MPa 280
Compressive strength5% MPa 12.9
Impact strength（gap） KJ / m2 2.0
Bending strength MPa 20.7
Flexural Modulus of Elasticity MPa 700
Friction coefficient （Load 2MPa (Time 30mm) 0.11
Friction coefficient mg 249
Wear scar width mm 15.8
Outer Diameter Size mm ≤2000

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