China Green High Density Black Neoprene Rubber Rolls Insulation Rubber Sheet factory and manufacturers

Green High Density Black Neoprene Rubber Rolls Insulation Rubber Sheet

Item	Unit	Index	Standard
Density	kg/m3	≤95	GB/T6343
Water absorption ratio in vacuum	%	≤10	GB/T17794-2008
Dimension stability 105±3°C,7d	%	≤10	GB/T8811
Crack resistance	N/cm	≥2.5	GB/T10808
Compression resilience ratio Compression time 72h	%	≥70	GB/T6669-2001
Anti-ozone Ozone pressure 202mpa 200h		Not cracking	GB/T7762
Aging resistance 150h		Slightly crumpling, no cracks,	GB/T16259