Resole resin | Appearance | Viscosity (mpa.s) | SKY(150℃,%) | Residual carbon% | Moisture% | Free phenol% | PH |
RD-381 | Red brown liquid | 4700-5300 | ≥78 | ≥45.0 | 4.5-6.0 | 11-14 | 6.5-7.0 |
RD-381A | 4700-5300 | ≥76 | ≥45 | ≤5.5 | ≤10.0 | 6.5-7.0 | |
RD-381C |
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