Biogas tank material PVC film PVC film 1000D*20*20 Specification mm 1.2 1.8 1.2 Test Item MD CD MD Tensile strengthï¼ÂN/3cm) 600↑ 490↑ 1000↑ CD MD CD Elongationï¼Â%ï¼Â 310↑ 330↑ 220↑ 660↑ 2200↑ 2400↑ Tearing strengthï¼ÂN) 240↑ 280↑ 530↑ 287↑ 24↑ 36↑ Adhension(N/3cmï¼Â Upper basic Can not peel Can not peel 510↑ 290↑ 400↑ ã Bottom fabric Can not peel Can not peel 90↑ Weight(g/ã¡) 1544 2375 500 50↑ Antistatic 1000000 1000000 1000000 Light Fastnessï¼Âgradeï¼Â 4 4 4 Hermetic ï¼ÂPSIï¼Â 20 20 20 Fire retardant Away from 3 seconds fire will go out Away from 3 seconds fire will go out Away from 3 seconds fire will go out Surface dealing Anti-fouling and self-cleaning Anti-fouling and self-cleaning Anti-fouling and self-cleaning Acid and Alkali resistant Acid and Alkali resistane Acid and Alkali resistane Acid and Alkali resistane Shelf lifeï¼Âyearï¼Â 10 10 10 Cold resistant(âÂÂ) -20 -20 -20 Heat resistant(âÂÂ) 70 70 70 Product usage With Excellent property,weather resistant and durable ,widely used in livestock aquaculture, effluent Industrial organic wastewater treatment,Process Design,Equipment manufacturing, Construction,gas soil and so on fieldãÂÂ