Rhenosin® RB by Lanxess is novolak-based phenol formaldehyde resin. It is used as a reinforcing resin in solid rubbers for oil-resistant seals. It possesses efficiency as a hardener in NR, SBR, BR and EPDM to increase mix viscosity and in NBR to decrease mix viscosity. It increases vulcanizate hardness and can be used in combination with a hardener to reduce scorch time, tensile strength, change vulcanization pattern and increase elongation at break. The dosage level of Rhenosin® RB is 5-15 phr. The storage stability of the grade is 730 days.
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Rhenosin® RB properties
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| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Density | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Free Phenol Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Hydroxyl Value | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Melting Point | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Softening Point | 0.0 Visible After Login | Visible After Login | Visible After Login |