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PHYSICAL PROPERTIES (Typical)
Ingredients: Virgin P.T.F.E.
Filler/Pigment: Carbon (Anti-Static)
Color: Black
MECHANICAL PROPERTIES Value Units Standard
Tensile Strength (Moulding Direction) 20-35 Mpa BS2782:Pt3
Elongation at Break (Moulding Direction) 150-350 % BS2782:Pt3
Density 2.13-2.19 G/cc BS2782:Pt6
Hardness 57-64 Shore D ASTM D2240
Deformation under Load @ 1Hr, 23°C, 14.2MPa 11.8 % ASTM D621
                                         @ 24Hrs, 23°C, 14.2MPa 14.3 % ASTM D621
                                         @ Permanent Deformation 7.9 % ASTM D621
                                         @ 1Hr, 150°C, 5MPa 10 % ASTM D621
Flexural Modulus            @ 23°C 690 MPa ASTM D790
ELECTRICAL PROPERTIES Value Units Standard
Dielectric Strength          @ Air (Tape) 60-80 KV/mm ASTM D149
                                        @ Oil (Extrusion/Moulding) 35/24 KV/mm
Proof Test                         (Dielectric Strength) 24 Pass KV/mm BS6564 (E)
Electrical Resistance        per 50mm 0-50 K W  
Electrical Conductivity    per 25.4 x 254mm 0-40 M W
THERMAL PROPERTIES Value Units Standard
Point of Fusion DSC 327 °C ASTM D3417
Max. Working Temperature 260 °C -
Max. Working Temperature @ Short Periods 300 °C -
Min. Working Temperature -200 °C -
Thermal Conductivity     @ Moulding Direction (MD) 0.24 W/(m.K) ASTM C177
Coefficient of Linear Thermal Expansion TMA (23-200° C)      
                                         @Moulding Direction (MD) 142 10-6/°C ASTM D696
                                         @ Right Angles to MD 152 10-6/°C  
Flash Point 530 °C ASTM D1929
Limiting Oxygen Index >95 % ASTM D2863
WEAR PROPERTIES Value Units Standard
Coefficient of Friction       @ Dry Sliding      
                                                Static 0.08 - ASTM D1894
                                                Dynamic 0.06 -  
The above properties are typical and are only intended to be used as a guide.