Reinforcing resin, which significantly improves the hardness of the rubber.
| Test Items | Test Results | Test Standards |
| Relative Density | 1.155 g/cm3 | / |
| Free Phenol |
≤ 1% |
/ |
| Softening Point (Ring & Ball Apparatus) | 85-105℃ | GB/T 11409 |
| Heating Loss | ≤ 0.5% | GB/T 11409 |
| Ash (550±25℃) | ≤ 0.5% | GB/T 11409 |
Properties: SY-6700 is a phenol-formaldehyde resin modified by tallow oil; SY-6701 is a phenol-formaldehyde resin modified by cashew nut oil.
Performance: Can significantly improve the hardness, wear resistance, tear resistance, tensile strength and elongation stress of the rubber compound.
Application: Mostly be used in radial tires to improve the strength and hardness of vulcanized rubber and reduce heat generation.
