Our products are designed cooperated with Tsinghua University, the new internal combustion engine cylinder pad is used sprint flexible graphite composite plate manufacturing, the material non-toxic harmless.

We can produce for different car brand, like for BMW, Benz, Daewoo, Audi, Crown, Ford, Lexus, Cadillac, Lincoln, Toyota, Mazda, Volvo, engineering vechile ( Carter, Cummins), etc, contact us for more details. The basic specification as below:

Test items: air tightness
Testing Equipment: THQM-1 air tightness test bed
(Cf. German standard DIN28080-2 automatic equipment)
Test medium: N2
Medium pressure: 4Mpa
Clamping force: 304Mpa
Test results:
Sample leak rate (mg / ms)
Asbestos Sheet 31.67
Asbestos sprint composite plate 82.84
Flexible Graphite Sheet. 027
Flexible graphite composite plate sprint 0.049
Conclusion: The flexible graphite sheet and composite board leakage rate was only one-thousandth of asbestos and its composite panels