... Plate 1.ISO9001:2000 2:Resistance:Above 280C 3:Hardness:50-60 4.Advanced technology,exce OEM service good ... , high recovery characters. Strengthen hot sealing, eliminate bubble. Uniform hardness, high temperature resistance, high elastic, high flatness, high pressure ... resistance,high temperature,resistance(above 280°C),degree of hardness between 50-60,the corrosion resistance,aging resistance,Non- ...