... environmental friendly.Main Technical Data Sheet:ItemUnitResultMain Component One-Component Butyl RubberHigh Temperature Performance90°C,2hNo SagLow Temperature Performance-40°CNo ... ’ requirement. Use Method: 1.Choose the reasonable size of butyl tape according to the gap of steel board.2. Make ... release liner, put the above steel board on the butyl and press the above board until the two adhere with ...