Description
It is a powder novolak resin with improved ability of heat resistance, flexibility and water resistance by reducing the density of -OH. It is effective for improving wear resistance and crack resistance.
Features
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✔ Heat resistance ✔ Flexibility ✔ Water resistance 
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Main Grades
| Grade | Features | Flow 125℃, mm |
Gel Time 150℃, sec |
ree Phenol (%) |
|---|---|---|---|---|
| PR-54458A | Heat resistance | 39 | 200 | 2.5 |
| PR-55170 | Moldability | 29 | 40 | ＜1.0 |
| PR-51316M | Flexibility | 51 | 135 | 2.5 |
- The values in this material are the representative values.
Technical Data
Thermogravimetric reduction data
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Test condition: |
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Friction bending strength (thermal deterioration at 350℃)
Aralkyl modified resin features excellent heat resistance.
It shows gentle thermal decomposition rate and the thermal deterioration of its compound is suppressed.
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