... over conventional PTFE, Reduced product loss and emissions. Excellent bolt torque retention, unique manufacturing process minimizes cold flow problems typical ... :60'' x 60'' , 70'' x 70'', etcThickness: 1/16'', 1/8'', etcSpecification:Code MF4350 MF4354 MF4351 MF4353 ColorFawnBlueOff-whiteBlackPhotosCompositionPTFE with ... cm3/s (GB/T9129-2003)< 1 x 10-3< 1 x 10-3< 1 x 10-3< 1 x 10-3Creep Relaxation % ...