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Products/Crack Repair/Polyurethane Crack Sealant XQ-LF-PU

Polyurethane Crack Sealant XQ-LF-PU
Crack Repair · CR-PU

Polyurethane Crack Sealant XQ-LF-PU

Flexible polyurethane crack sealant for moving and living cracks. Maintains seal integrity under thermal expansion, structural movement, and vibration — unlike rigid epoxy fillers.

Moving crack sealingExpansion joint repairWater tank leak repair
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Technical specificationsCR-PU
Tensile Strength≥ 8 MPa
Elongation≥ 300%
Shore A Hardness35–45
Crack Width Range0.5–10 mm
Viscosity500–1,500 mPa·s
Cure Time24 h at 25°C
Service Temperature-30°C to +80°C
Packaging5 kg / 20 kg set

Use with XINCHOR matched system components for full performance. TDS and MSDS available on request.

Related products
Low-Viscosity Crack Injection Resin XQ-LF-L
Low-Viscosity Crack Injection Resin XQ-LF-L
Viscosity: 100–300 mPa·s
Medium-Viscosity Crack Injection Resin XQ-LF-M
Medium-Viscosity Crack Injection Resin XQ-LF-M
Viscosity: 1,000–3,000 mPa·s
Crack Surface Seal Paste XQ-LF-SS
Crack Surface Seal Paste XQ-LF-SS
Rapid tack — injectable within 2 hours
High-Strength Clear Crack Sealer XQ-LF-HC
High-Strength Clear Crack Sealer XQ-LF-HC
Transparent/clear when cured

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