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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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