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Quality Primary Seal Butyl Rubber factory
Quality Primary Seal Butyl Rubber factory
Quality Primary Seal Butyl Rubber factory

Primary Seal Butyl Rubber

Place of Origin: China
Brand Name: KENEX, Huali
Model Number: 801, 802, 803, Fireproof 801
Minimum Order Quantity: 10 tons
Standard Packaging: 7KG per paper barrel, 4 barrels in one box
Delivery Time: 1 month
Payment Terms: T/T
Product Description

MGM provides a comprehensive sealing solution for the insulating glass industry with our high-performance Butyl Rubber Sealant and Hot Melt Sealant. These two sealants play distinct, complementary roles in creating durable, long-lasting IGUs. Our Butyl Rubber Sealant serves as the indispensable primary seal. This thermoplastic material is extruded directly onto the spacer in a continuous, uniform bead. Its primary function is to form an immediate, highly effective barrier against water vapor and gas transmission. This prevents the desiccant inside the spacer from saturating and safeguards the integrity of the gas fill (e.g., Argon), which is crucial for maintaining the unit's insulating properties over its entire lifespan.

Technical Data
Technical Data
Colour Black or Gray
Heat Resistance Non-dusting, non-hardening, non-loss of adhesion and non-decomposition in successive 30-hour use between minus 40ºC and plus 130ºC, the highest temperature it can endure being 175ºC
Specific Gravity 1.15—1.25g/cm³
Shear Strength (aluminum—glass) ≥0.10MPa
Tensile Strength (aluminum—glass) ≥0.80MPa
Ultraviolet Irradiation 168hrs, no fog
Packing 7kg per paper barrel, diameter being 180mm or 190mm and height 220mm, 28kg/box
Key Features
  • Excellent adhesion with both aluminum, stainless steel and glass
  • No cracking or hardening, good temperature resistance, and low moisture permeability
  • Compatible with two-part polysulfide, two-part silicone, two-part polyurethane and hot-melt butyl to accomplish dual seal
  • Continuous line operation with no breakage/tailing during application
Inquiry
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