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China, Chinese Construction Caulking Concrete Building Expansion Joints Polyurethane Sealant PU Adhesive Sealing1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
AdhesivePolyurethane AdhesivePolyurethane SealantPU Adhesive
Shanghai Junbond Building Material Co., Ltd.
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Product Description Building expansion joints Polyurethane Sealant Overview:Junbond? JB238 is One component, room temperature moisture curing Polyurethane Sealant. It is low modulus, building joint sealant, good weather resistance, good elasticity,no harmful substances will be produced during and after curing, and there will be no pollution to the substrate. Application:1)Flexible jointing for precast panel, wood, metal, marble and PVC joinery seams, curtain wall, bakes clay, concrete roof tiles in constructing area.2)Expansion joints in building, highway, tunnel, runway, water conservancy project.3)Expansion jointing for other traditional construction. Advantage:1)Good adhesion to most of substrates withoutprimer. Good weathering and UV resistance.2)High flexibility Movement.3) Paintable.4)Excellent workability. Executive Standard: GB/T14683-2017NoTest ItemUnitActual results1Appearance Smooth, no air bubbles, no lumps2Tack free time(at what % humidity)min22-254solid content ≥96%5Shore A hardness /72h 20-306 Densityg/cm31.49±0.1 g/cm37 Curing speed (mm/d)(mm/d)≥2.0mm/24h8Tear Strength ≥4.5N/mm9Tensile strength(MPa)(MPa)≥0.7MPa10 Elongation at break 700%11Completely dryhours2012Temperature Resistence°C-50oC~150oC13Application Temperature°C4oC~40oC14Color Black,White,Gray
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