Primary Seal Butyl Rubber

Technical Data
Colour	Black or Gray
Heat Resistance	Non-dusting, non-hardening, non-loss of adhesion and non-decomposition in successive 30-hour use between minus 40ºC and plus 130ºC, the highest temperature it can endure being 175ºC
Specific Gravity	1.15—1.25g/cm³
Shear Strength (aluminum—glass)	≥0.10MPa
Tensile Strength (aluminum—glass)	≥0.80MPa
Ultraviolet Irradiation	168hrs, no fog
Packing	7kg per paper barrel, diameter being 180mm or 190mm and height 220mm, 28kg/box

✔ Excellent adhesion with both aluminum, stainless steel and glass

✔ No cracking or hardening, good temperature resistance, and low moisture permeability

✔ Compatible with two-part polysulfide, two-part silicone, two-part polyurethane and hot-melt butyl to accomplish dual seal

✔ Continuous line operation with no breakage/tailing during application