Description, Top Best butyl tape 660 is mainly made of butyl rubber(PIBI),it gives best performance on corrosion resistance, UV resistance, oxides resistance; it is used for water-proof, sealing,low temperature adaptation. Uses (1) Steel construction, sun panel, drains parts; (2) Window&door; concrete roof; pipes. (3) PC panel. (4) Car industry. (5) Repairing of roof and cars. Key features (1) Non-solidified, flexible, good adaptability (2) Water-proof and anti-corrosion, good anti-UV performance, life time up to 20 years. (3) Easy application Color: grey, black, white Package: Carton 295*295*245mm Dimension: according to custmoers requirement. Technical Date: ItemUnitValue Main Ingredient Butyl rubber Hot Resistance90,2h No flowingHigh temperature performance-40 No crack Long time adhesion strength Seel ball13.5Elongation%420Resume%75 Remarks: 1. Testing temperature is 23,besides low-temperature test.2. Life time 20 years based on 100 hours UV resistance/year.