Product Description

The GE IGS3723 Insulating Glass Silicone is a two-component, high-modulus, neutral cure sealant
designed for secondary sealing of structural and non-structural insulating glass units (IGUs).
It offers fast deep-section curing, excellent durability against weathering, and strong primerless adhesion
to conventional spacer materials. Compatible with GE structural and weatherproofing silicones,
it is widely used in IGU fabrication .

Key Benefits

• Silicone Durability – Long-term resistance to UV, ozone, extreme temperatures, rain, and snow .
• Fast Cure – Allows shipping of fabricated IGUs within hours, reducing downtime .
• Strong Adhesion – Bonds to many spacer materials without primer .
• Structural Capability – Suitable as a secondary sealant in structural glazing IGUs .
• Ease of Application – Low pumping viscosity, non-sagging consistency, and automated line compatibility .
• Harmonized Aesthetics – Grey catalyst matches polyisobutylenes for consistent appearance .

Packaging

• Base: IGS3723A white paste – 55-gallon drum (585 lbs / 265 kg)
• Catalyst Options:
  • IGS3723B (black paste) – 5-gallon pail (40 lbs) or 55-gallon drum (430 lbs)
  • IGS3727B (grey paste) – 5-gallon pail (40 lbs)
• Mixed Colors: Black or Medium Grey