Daken Intumescent Firestop Sealant SPS

Daken DK SPS Intumescent Firestop Sealant is a single-component, high-performance firestop sealant that expands rapidly under high temperature to form dense, charred layer, effectively preventing the spread of fire, smoke, and hot gases. It provides up to 3 hours of fire resistance for building openings, with excellent elasticity and adhesion, resistant to aging, cracking and long-term environmental exposure, it is easy to apply, low odor, non-sag, suitable for various construction materials.

Key Features & Benefits

● INTUMESCENT EXPANSION

Expands 5-20 times under high temperature to form a stable insulating char layer that effectively blocks flames and smoke.

● STRONG ADHESION

Excellent adhesion to concrete, steel, stone, drywall, glass, metal and most construction substrates

● HIGH FIRE RATING

Tested in strict fire resistance standards to provide up to 3 hours of fire resistance and insulation performance.

● WEATHER RESISTANT

Resistant to water, moisture, heat, UV and mildew. Suitable for indoor and out door environments.

● ENVIRONMENTALLY SAFE

Low VOC, complies with RoHS requirements. Safe for indoor use.

● EASY APPLICATION

One component formula, compatible with common caulking guns. Fast curing and reliable after solidification.

Technical Properties

ColorRed
Density≤1.6×103Kg/m2
Touch dry30 min
Heat and humidity Resistance/h≥360, No cracking, no chalking
Freeze-thaw resistance/cycle≥15, No cracking, no chalking
Shelf life12 months (5°C~30°C)
Packaging310ml/pc
StandardsGB 23864-2023

Typical Applications

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