EnerSEAL® 332

EnerSEAL® 332 butyl thermoplastic IG sealant is a highly viscous, commercial-grade butyl sealant featuring an industry low 0.10 permeability rate for residential and light commercial IG units.

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Product Type

Butyl Hot Melt Thermoplastic Insulated Glass Sealant

Product Description

EnerSEAL 332 is a fast-setting, single-component sealant designed for insulating glass units. It delivers superior adhesion, long-term gas retention, and excellent moisture vapor resistance. This high-performance solution is ideal for both manual and automated applications.

Key Benefits

  • Fast Set Up: Enables quick handling and timely glazing of insulating glass units.
  • Low Permeability: Very low water vapor and argon permeability ensures long life and improved gas retention.
  • Superior Strength: Excellent adhesion to glass, aluminum, galvanized steel, and foam spacer moisture barrier films.
  • Single Component: No mixing or blending required—ready to use straight from the container.

EnerSEAL 332 Is Best For:

  • Warm-edge and other spacer systems
  • Manual and automated applications
  • Primary seal for single-seal insulating glass (IG)
  • Range of residential IG dimensions

Product Properties

Property Specification
Application Temperature 347 to 365 °F (175 to 185 °C)
Color Black
EN1279-4 G: Moisture Vapor Transmission < 0.1 g/m²/24 hr
Packaging Gallon drums & pails
Shelf Life 18 months