EnerSEAL® JS780S Primary Sealant

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EnerSEAL® JS780S

Polyisobutylene (PIB) Primary Sealant for Flexible Insulated Glass Spacers in Dual-Seal Systems

EnerSEAL® JS780S

Polyisobutylene (PIB) Primary Sealant for Flexible Insulated Glass Spacers in Dual-Seal Systems

EnerSEAL® JS780S is a one-component polyisobutylene (PIB) IG primary sealant for flexible, non-rigid spacers. JS780S has a lower viscosity, making it ideal for flexible spacers like EnerEDGE Silicone or EPDM.

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Benefits of Using EnerSEAL JS780S 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 JS780S Is Best For

Flexible spacer systems that require a dual-seal
Primary seal in dual seal units

Product Properties

Application Temperature	230 to 270 °F (110 to 130 °C)
EN1270-4 D: Argon Gas Permeability	<0.0001 g/M²/day, 2 mm film
EN1270-4 D: Moisture Vapor Transmission	<0.05 g/M²/day, 2 mm film