EnerSEAL® 332 Hot Melt Butyl Sealant

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EnerSEAL® 332

Butyl Hot Melt Thermoplastic Insulated Glass Sealant

EnerSEAL® 332

Butyl Hot Melt Thermoplastic Insulated Glass Sealant

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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Benefits of Using EnerSEAL 332 in Your Next Project

Fast Set Up

Fast setting for immediate handling and timely glazing of insulating glass units

Low Permeability

Very low water vapor and argon permeability for long life and extended fill-gas retention

Superior Strength

Excellent adhesion to glass aluminum, galvanized steel, and common foam spacer moisture barrier films

Single Component

No additional parts to blend

EnerSEAL 332 Is Best For

Warm-edge and other spacer systems
Manual and automated applications
Primary seal for single-seal IG
Range of residential IG dimensions

Product Properties

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 mo

EnerSEAL 332 Resources

Download any of these featured resources or find a specific type of document below.

Data Sheet

Product Literature

Safety Data Sheet

Technical Bulletin

Frequently Asked Questions

5 gal pails (3.1 gal), 55 gal drums (48 gal)

EnerSEAL 332 is a butyl based sealant that is applied hot and forms a continuous seal around the perimeter of your IGU's.

It forms a continuous seal around the perimeter of your IGU's to ensure gas stays in the units and moisture stays out.

EnerSEAL 332 can be processed on any standard hot melt extrusion machine currently used in the insulating glass industry. The product must be applied on a clean and dry substrate.

+347 °F (175 °C) to +365 °F (185 °C)

MVTR - Moisture Vapor Transmission Rate. This is measure of the passage of water vapor through a substance. Excluding moisture from the interior of a unit ensures that the view through the window is clear and keeping moisture out will help extend the life of the sealed unit.

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EnerSEAL® 332

EnerSEAL® 332

Benefits of Using EnerSEAL 332 in Your Next Project

Product Properties

EnerSEAL 332 Resources

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Frequently Asked Questions

What size packages does it come in?

What is EnerSEAL 332 made of?

What is the purpose of hot melt butyl?

How is EnerSEAL applied?

What temperature is EnerSEAL 332 applied at?

What is MVTR and why is it important?

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