Purpose of PU foam sealant
1) Fixing and adhesion
2) Filling slot and Sealing
3) CFC-free
4) Good quality and price
Specification limit about PU foam sealant:
1 Basic component: polyurethane (PU foam sealant)
2 Density: 15~40 kg/m3
3 Curing time: 1~2 hours
4 Construction temperature: 10~30
o
C
5 Adhesive strength: 80 k/pa
6 Tensile strength: 30 k/pa
7 Bending strength: 40 k/pa
8 Compressive strength: 40 k/pa
9 Open cells rate: 35~60
10 Oxygen index: 22~25(normal) 28~32 (flame-resistant)
11 Permeate water Volume: 2~3(no epidermis) / 0.5(with epidermis)
12 Storage life: 12 month
Characteristic of PU foam sealant
1) Carrying and using conveniently
2) Measuring conveniently
3) Automatic expand
4) Humidity cure
5) Automatic adhesion
6) Small pressure of foaming
7) Wide application
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