PRODUCT DESCRIPTION
JOINLEADER 900 BUTYL SEALANT is a polyisobutyl sealant designed for use as the primary moisture barrier in dual
sealed insulating glass units, form an excellent humid proof system with elastic sealant.
JOINLEADER 900 BUTYL SEALANT exhibits low argon permeability, excellent adhesion to glass and aluminum, good
compressibility,and inherent moisture vapor resistance.
JOINLEADER 900 BUTYL SEALANT can be used for the manufacture of insulating glass units. Together with our
polysulphide or silicone sealant for insulating glass, they form an excellent dual-seal system.

FEATURES
No cleaning or purging of dispensing equipment required
Rapid unit handling - single part fast setting
Solvent-free
Fog-free
Excellent adhesion to glass and spacer
Permanent plastic
Low moisture vapour transmission rate

APPLICATIONS
It can be used for the manufacture of insulating glass units.
Together with our two-part polysulphide or silicone sealant for insulating glass, they form an excellent dual-seal
system.