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Sika Sealant 473 PU
One component moisture curing polyurethane elastomeric joint sealant with high movement capability and excellent weatherability for civil and architectural joints.
Key Features and Benefits
- High movement capability:Accommodates joint movement up to 25% without debonding or rupture
- Weather and UV stable:Non yellowing and resilient under heavy sun, rain, and temperature swings
- Bubble free curing:Smooth bubble free curing even in high humidity conditions
- Paintable finish:Fully compatible with water based paint finishes once cured
Recommended Areas of Application
Ideal structural locations and substrates
Building Facade Expansion Joints
Window and Door Perimeter Caulking
Precast Concrete Panel Joints
Roofing Parapet and Drainage Joints
Technical Specifications
Manufacturer product data sheet summary
BaseSingle component polyurethane
Skin Formation Time50 to 70 minutes
Movement Capability25%
Tensile Strength> 1.0 N/mm²
Shore A Hardness25 to 30
Packaging600 ml Foil Sausage
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