BUTYL SEALANT FOR INSULATING GLASS PRIMARY SEAL
Description
TW28 BUTYL is a one-part, solvent-free, fog-free, unsulfurized, permanent plastic first sealant based on polyso-butyl for insulating glass. B8 BUTYL keeps plastic and sealing over a wide temperature range and not crack and harden for sealant surface. It has good adhesion to glass, aluminum alloy, zinc plating steel, stainless steel and etc. It could form an excellent humid proof system with elastic sealant.
Application
Clean and dry adhesion surface to get rid of dirty, oily things. BUTYL is applied by special hot-melt butyl extrusion machine. The extrusion condition could be satisfied through temperature and pressure adjustment, for example temperature could be adjusted over the range of 100℃~130℃. The environment temperature should not be lower than 10℃ in application.
Typical properties
Color: Black; Specific gravity: 1.20~1.30g/cm3 Solid content: 100% Temperature resistant: -40℃~130℃ Maximum temperature bearable: 160℃ Working temperature range -20℃~80℃ Ultra-Violet Irradiation': pass GB11944 Dew point: pass GB11944
Standard
TW28 BUTYL conforms to JC/T 914-2003
Packaging
TW28 Butyl Sealant for Insulating Glass Primary Seal, Black, 1kg/ Paper pail, 5kg/ pail, 7kg/pail or supply according to customer require
Storage: -10℃~35℃, shelf life of 24 months
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