Rubber sealing plate | Rubber code NR-TM07-1A | ||||||
Standard values | Measured value | Test method | |||||
Basic property | Hardness( shore A type), degree | 65±5 | 63 | GB/T531-2008 | |||
Tensile strength,minimum,Mpa | 14 | 15 | GB/T531-2009 | ||||
Elongation at break ,minimum,% | 250 | 265 | GB/T531-2009 | ||||
Heat resistance test | Experimental conditions 70℃*72h | ||||||
Change in hardness, degree | 0~+10 | +5 | GB/T3512-2001 | ||||
Tensile strength, maximum % | -25 | -18 | |||||
Change in elongation, Max, % | -25 | -24 | |||||
Ozone resistance test | Experimental condition 7 (50±5)pphm*(40±2)℃*72h*20% | ||||||
With or without cracks | No crack | No crack | GB/T7762-2003 | ||||
Compression experiment | Experimental condition 70℃*72h | ||||||
Compression permanent deformation ,max, % | 50 | 48 | GB/T1683-1981 | ||||
Akron abrasion | Abrasion,maximum | 0.6 | 0.5 | GB/T1689-1998 | |||
Cold test | Brittleness temperature, ℃ | -15 | -16 | GB/T1682-1994 |