1.Low modulus construction sealant 2.Polyurethane construction joint sealant 3. 600% elongation 4. Good quality
Features:
1.Mildew proofing, Meet national standard for sealing of drinking water pipe.
2.One component, no need of mixing wood adhesive agent 3.Easy for applying construction adhesive agent glass pu construction adhesive agent 4.Highly elasticity and low modulus.
5.Self bonding, easily for repairing.
6.three kinds of colors available.
7.Can be painted wood adhesive
8.Excellent durability, weathering resistance..
TDS:
Testing Items
Performance
Appearance
Black/White/Gray homogeneous paste
Density(g/cm3)
1.35±0.05
Sagging Properties(mm)
≤1
Elongation at break(%)
≥600
Volatile content(%)
≤4
Stretch modulus (Mpa)
≤0.4
Touch dry time(min)
≤180
Elastic recovery(%)
≥80
Extrudability (ml/min)
80
Pollution properties
Non
Application temperature(°C)
+5~+35
Shelf life(month)
9
USES:
PU821 is suitable for most building joints, including perimeter caulking of doors and windows.in pre-cast panel.
External walling,curtain wall joints.skylights, smoke vents. other structural sealing for areas with structure movement
CLEANING:
Clean and dry all surfaces by removing foreign matter and contaminants such as oil dust, grease, frost, water, dirt, old sealants and any protective coating. Dust and loose particles should be cleaned.
PACKAGING:
310ml cartridge, 20 pcs/carton
600ml/400ml sausage, 20 pcs/carton
Product Warranty
All product properties and application details based on information believe to be reliable and accurate. But you still need to test its property and safety before application. The advices we supply don't apply in any circumstances. Sepuna don't make assurance of any other applications outside the specification until Sepuna supply a special written guarantee. Sepuna is only responsible to replace or refund if this product is defective within the warranty period stated above. Sepuna makes it clear that will not be liable of any accidents.
Please feel free to contact us if you have any interested in it
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