... solvent resistance, resistance to external mechanical damage. Silicone rubber heat shrink tube can be used in electrical protection, ... green, etc.Shore hardness70±5APropertyHigh temperature and voltage resistant, flame retardant, soft, acid and alkali resistance ... 50%Elongation (%)40Flammability UL-224VW-1Resistance performanceWear-resistant, acid-resistant, anti-virus, anti-corona discharge, withstand ...