Flexibility And Low Stress Transparent PU Potting Compound For Automotive
BZ-708-5-2 is a transparent, flexible, and highly adhesive two-component polyurethane potting compound. It features excellent processing performance and rapid curing speed, making it ideal for waterproofing automotive tire pressure monitoring modules, sensors, and LED modules.
|
Parameters |
Hardener BZ-708-5-2 A |
Resin BZ-708-5-2 B |
|
|
Before curing |
Appearance |
Clear liquid |
Clear liquid |
|
Viscosity(mPa·s.25℃) |
1200±450 |
1000±350 |
|
|
Initial mixed viscosity(mPa·s.25℃) |
1050±250 |
||
|
Density(g/cm³.25℃) |
1.04±0.05 |
1.12±0.05 |
|
|
Mixing&Curing
|
Mix ratio(by weight) |
A:B=1:1 |
|
|
Pot life 130±30g(min.25℃) |
16±6 |
||
|
Curing condition |
Room temperature curing |
||
|
Surface drying time 30g(H.25℃) |
5±1 |
||
|
Curing time 30g(H.25℃) |
7±1 |
||
|
Curing time 30g(Heated) |
60℃ heated 1±0.5H |
||
|
After curing
|
Hardness (Shore A) |
50±10 |
|
|
Temperature resistance(℃) |
-40~85℃ |
||
|
Flame retardant UL94 (Vertical burning) |
HB-V2 |
||
|
Water absorption(24H) |
≤1.0% |
||
|
Surface resistivity (Ω/sq) |
≥1.0×1011 |
||
|
Volume resistivity (Ω.cm) |
≥1.0×1011 |
||
|
Tensile strength(MPa) |
≤6 |
||
|
Elongation at break(%) |
≥500% |
||
|
Dielectric constant(at 50Hz) |
≤10 |
||
|
Breakdown voltage(kV/mm)
|
≥16 |
||
![]()
![]()
![]()
![]()
![]()
![]()
![]()
![]()
![]()