Butyl Primary Sealant | JS680
JS680 is a one-component polyisobutylene-based product specifically developed for the production of insulating glass units.
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JS680 is specially formulated to provide a moisture and gas barrier (primary seal) in insulating glass production.
• Capability to work at low temperatures
• High UV resistance
• Excellent adhesion to insulating glass spacers, glass, aluminum, galvanized steel, stainless steel, and Warm Edge spacers
• Retains its color
• Very low moisture and gas permeability
• Easy application
• 100% impermeable
