... chemical resistant, water proof, hot water proof and steam proof, good insulation property, good elasticity and high tensile strength,etc. 3. Hardness: ... 90 shore A or IRHD as your request. 4. Size and logo: according to your request. 5. Color: black, ... 6. Certifications: all manufacturing processes are complied with ISO9001:2008 and TS16949. 7. Material approved: meet RoHS directive, NSF, KTW ...