Description
Polyurethane prepolymer sealant
Key features
The cured product has excellent electrical insulation.
Anti vibration, moisture, corrosion, etc.
Typical properties
|
POURING SEALANT
|
PS-800
|
|
Prepolymer
|
Appearance (25℃)
|
Yellow transparent
liquid
|
|
Part A viscosity at Room Temperature (25℃)
|
1500±100
|
|
Part B viscosity at Room Temperature (25℃)
|
1000±100
|
|
Using Mixture Ratio (A：B)
|
100:100
|
|
Available Using Time（25~35℃/min）
|
20~40
|
|
Stripping
Time(25~35℃/min)
|
120~180
|
|
Physical Properties of Finished Products
|
Hardness (Shore
A)
|
50±5
|
|
Tensile Strength (MPa)
|
8.0
|
|
Tearing Strength
(kN/m)
|
21
|
|
Elongation
at Break(%)
|
320
|
|
Volume Resistivity(Ω.cm)
|
1×1014
|
Application
-Suitable for various electronic components, micro computer control board, etc.
Usage method
-The utility model can be used for manual operation, and is more suitable for gluing machine and pouring machine.
Attention
The prepolymer should be stored at low temperature and dry place, avoid the moisture and moisture when used
After the opening of the prepolymer should be used up as soon as possible, if not exhausted with nitrogen seal.
The storage period of unopened prepolymer is three months.
If you want to add color paste or other materials, keep the water content below 0.1%, and consider the compatibility of additives.
