Description
It is a powder novolak resin which contains fast curing performance by special techniques.
It could improve the moldability of the friction material. Therefore, it may lead to the reduction of process cost.
Features
|
✔ Moldability ✔ Fast curing ✔ High crosslink density |
|
Main Grades
| Grade | Features | Flow 125℃, mm |
Gel Time 150℃, sec |
Free Phenol (%) |
|---|---|---|---|---|
| PR-51794 | Short flow | 13 | 90 | 2.0 |
| PR-53724 | Long flow Low Free Phenol |
33 | 120 | ＜1.0 |
- The values in this material are the representative values.
Technical Data
Short-time molding property
Composition: Resin/Aramid fiber/Barium sulfate/Calcium carbonate= 18/2/40/40 vol%
Condition: Mold at 150ºC and check cracks in appearance molding time
| Items | Non-modified resin | Fast curing resin |
|---|---|---|
| Shortest molding time (sec.) | 140 | 120 |
Curast torqueTest condition: 150℃×10min 
Fast curing resin shows quick rise of curast torque and has excellent curability. |
Rise of glass transitionComposition: Resin/Barium sulfate =1/1(wt) 
Fast curing resin has high crosslink density after curing. |
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