SILANDE MF910 Hot-Melt Butyl Primary Sealant for Insulated Glass Units (7kg)

Model Number: 100100587

Hot-melt butyl primary sealant designed for internal insulation in insulated glass (IG) units. Provides stable sealing performance across a wide temperature range with excellent adhesion to glass and metal spacers.

Technical details

BrandSILANDE
Product TypeButyl Primary Sealant
ModelMF910
Base MaterialPolyisobutylene (PIB)
Sealant TypeHot-Melt Butyl Sealant
ColorBlack
AppearanceSolid Mass
ApplicationInsulated Glass Units (IGU)
FunctionPrimary Vapor and Gas Barrier for IGU Systems
Density1.1 ± 0.25 g/cm³
Shear Strength0.21 MPa
Penetration (25°C)40 (1/10 mm)
Penetration (130°C)290 (1/10 mm)
Volatile ContentMax. 0.02%
FoggingWithout Visual Fogging
Moisture Vapour Transmission Rate (MVTR)0.26 g/(m²·24 hrs·2 mm)
Gas Permeation Rate (Ar)1.30 × 10⁻³ l·g/(m²·hrs)
AdhesionExcellent Adhesion to Glass and Metal Spacer Systems
Packaging TypeSlug
Slug Weight7 kg
Slug DiameterApprox. 190 mm
Box Quantity4 Slugs per Box
Storage ConditionsStore in Dry and Cool Conditions
Shelf Life2 Years
Country of OriginPRC (China)

Description

SILANDE MF910 Butyl Primary Sealant is a hot-melt butyl sealant specifically developed for use as the primary sealing and insulation barrier in insulated glass units (IGUs). It maintains excellent plasticity and reliable sealing performance across a wide temperature range, while its surface remains stable without cracking or excessive hardening. The sealant provides strong adhesion to glass, aluminum, galvanized steel, stainless steel, and other commonly used spacer materials. Available in multiple colors, SILANDE MF910 supports consistent spacer-frame sealing and reliable long-term performance in professional IGU manufacturing.

Spec & Technical Data

SILANDE MF910 features a hot-melt formulation that provides efficient primary sealing without requiring a separate curing process, supporting faster IGU production cycles and streamlined manufacturing operations. The sealant enables clean and controlled application with minimal material waste while maintaining stable and consistent sealing quality. Its strong adhesion and environmentally considerate formulation support efficient, durable, and reliable performance in high-volume insulated glass unit (IGU) manufacturing lines.

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