Description
It is a powder novolak resin in which an acrylic polymer is dispersed.
Excellent flexibility and vibration absorption over a wide temperature range help improve NVH (Noise, Vibration & Harshness) performance.
Features
✔ Flexibility ✔ Vibration absorption |
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Main Grades
Grade | Features | Flow 125°C, mm |
Gel Time 150℃, sec |
Free Phenol (%) |
---|---|---|---|---|
PR-55291 | Low modification | 40 | 121 | <1.0 |
PR-55291A | High modification | 40 | 100 | <1.0 |
- The values in this material are the representative values.
Technical Data
Hardness data of Friction
Composition: Resin/Cashew particle/Aramid fiber/ Barium sulfate= 20/7.5/5/67.5 vol%
Condition: Hot press 150ºC /4min, Baking 200ºC/5hr
Items | Non-modified resin | Acryl modified resin |
---|---|---|
Porosity (%) | 21 | 21 |
Hardness (HRS) | 80 | 30 |
Viscoelastic Behavior of Friction
Acrylic modified resin provides superb flexibility. |
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