KCC KORESEAL SL820 Structural Silicone Sealant (Part A + Part B)

Model Number: 100100614

Two-component neutral-cure structural silicone sealant designed for structural glazing applications. It provides excellent adhesion, durability, and weather resistance for the structural bonding of glass, metal, and curtain wall systems in commercial and architectural projects

Technical details

Product TypeStructural Silicone Sealant
BrandKCC KORESEAL
ModelSL820(E)
ComponentsSL820PTA + SL820PTB
Sealant TypeSilicone Sealant
Main IngredientSilicone Polymer
Curing SystemNeutral Cure
SystemTwo-Component (Base + Curing Agent)
ApplicationStructural Silicone Glazing (SSG) for Curtain Wall Construction
ColorBase (White), Curing Agent (Black)
ConsistencyBase (Soft Paste), Curing Agent (Viscous Liquid)
Mixing Ratio9:1 by Volume
Pot Life20–60 Minutes
Specific GravityBase 1.46 ±0.1, Curing Agent 1.02 ±0.1
Hardness35–45 Shore A
Tensile Strength (ASTM D412)Approx. 1.87 N/mm²
Elongation (ASTM D412)Approx. 260%
Tensile Strength (ASTM C1135)Approx. 1.10 N/mm²
Elongation (ASTM C1135)Approx. 150%
Weather ResistanceExcellent
AdhesionExcellent Adhesion to Most Substrates
Mechanical PropertiesExcellent Mechanical Strength
PackagingBase 185 L / 270 Kg, Curing Agent 19 L / 19 Kg
Shelf Life12 Months
StandardsASTM C1184
Country of OriginSouth Korea

Description

KCC KORESEAL SL820 is a two-component neutral-cure structural silicone sealant developed for structural glazing applications in curtain wall construction. It provides excellent adhesion, mechanical strength, weather resistance, and long-term durability, making it suitable for demanding structural silicone glazing projects. The fast-curing system ensures efficient production while maintaining reliable structural performance and compatibility with modern façade systems.

Spec & Technical Data

Manufactured in South Korea, KCC KORESEAL SL820 is a two-component silicone sealant based on silicone polymer technology. It utilizes a neutral-curing system with a 9:1 mixing ratio and offers excellent adhesion, tensile strength, elongation, and weatherability for structural glazing applications. Designed to meet ASTM C1184 requirements, it delivers reliable long-term performance in curtain wall and structural silicone glazing systems while maintaining stable viscosity, fast curing characteristics, and excellent mechanical properties.

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