Specialty PU resin for pour-in-situ seal ring
Release time：2025-01-15 Views：140
Anti-moisture rigid structure adhesive
Component:
WINNATE-302A
WINCURE-302B
Application:
·Used as pour-in-situ seal ring for proof of vacuum-loss, or fluid-loss for precise instrument.
Advantage:
·Easy to process and no need for method to prevent from moisture voids as that of common PU solution
·Non-additive added
·Good adhesion to various substrates
·Good flowability to fill in small gap
·Curable under room temperature
·High strength and tough
Picture:
Process parameter:
|
Items |
WINNATE-302A |
WINCURE-302B |
|
Appearance |
- |
- |
|
Viscosity@25℃ |
- |
- |
|
Material temperature |
- |
|
|
Mold temperature |
- |
|
|
Room temperature |
- |
|
|
Impregnting temperature |
- |
|
|
Weight ratio for mixing |
- |
|
|
Non-bubble mixer |
- |
|
|
Pot life |
- |
|
|
Gelling time |
- |
|
|
Curing |
- |
|
|
Non-tacky time |
- |
|
Typical property:
|
Items |
WINNATE-302A |
WINCURE-302B |
|
Hardness |
- |
|
|
Tensile/Elongation |
>10 MPa / >500% |
|
|
Tear |
>90 N/mm |
|
|
Adhesive strength |
- |
|
|
Compression strength |
- |
|
|
Bending strength |
- |
|
|
Adhesion strength (via pull & shear) |
||
|
Al/Al |
Glue broken 6.3 MPa |
|
|
PET/PET |
PET fatigue |
|
|
PC/PC |
PC broken |
|
|
PMMA/PMMA |
PMMA broken |
|
|
PVC/PVC |
PVC broken |
|
|
Nylon/Nylon |
3 MPa |
|
|
PP/PP |
3.5 MPa |
|
