PU822

  PU822 High strength concrete joint pu foam sealant polyurethane construction Road Ground Wall Joint Gap PU Adhesive Sealant
  PU822is one component polyurethane construction sealant of high modulus.
  Product Technical Data Sheet
PROPERTY
STANDARD/UNITS
VALUE
Main raw material
-----
Polyurethane
Color/state
Visual inspection
Black/white/gray, paste
Density
Gr/cc
1.35±0.05
Volatile content
%
≤4
Tack free time
min
≤180
Curing speed
mm/ 24hrs
3~5
Hardness
Shore A
30±5
Tensile modulus
MPa
≥0.4
90
Elongation at break
%
≥600
Application temperature
°C
5~35
Temperature resistance
Up to 1 hour short time, °C
150
Shelf life
month
9

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