Polyurethane wood adhesive in construction

1. Wood adhesives and sealants
2. High tensile construction adhesive sealant
3. Pu adhesive, Primerless
Features:
1.Mildew proofing, Meet national standard for sealing of drinking water pipe.
2.
One component, no need of mixing wood adhesive
3.Easy for applying construction adhesives and sealants
glass construction adhesive sealant
pu construction adhesive4.Highly elasticity and low modulus.
5.
Excellent durability, weathering resistance..
6.Self bonding, easily for repairing.
7.three kinds of colors available.
8.
Can be painted wood adhesive
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