EnerSEAL® JS680 Primary Sealant

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EnerSEAL® JS680

Polyisobutylene Primary Sealant for Framed Insulated Glass Spacers

EnerSEAL® JS680

Polyisobutylene Primary Sealant for Framed Insulated Glass Spacers

EnerSEAL® JS680 is a one-component polyisobutylene-based primary sealant with world-class low permeability, specially developed for the manufacturing of IG units.

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Benefits of Using EnerSEAL JS680 in Your Next Project

Low Temperature Application

Flexible at temperatures as low as -25° F

Long-Lasting Durability

High UV-resistance

Ease of Application

Ease of use that adheres to a wide variety of substrates

Durability

Passes ASTM E2 190, EN 1279-2 & EN 1279-3

EnerSEAL JS680 Is Best For

Glass
Aluminum
Galvanized steel
Stainless steel

Rigid polymeric warm-edge spacers
Primary seal for single-seal IG
Residential and commercial IG
Applications to rigid or metallic spacer systems

Product Properties

Application Temperature	230 to 270 °F (110 to 130 °C)
EN1270-4 D: Argon Gas Permeability	<0.0005 g/M²/day, 2 mm film
EN1270-4 D: Moisture Vapor Transmission	<0.05 g/M²/day, 2 mm film