| Grade No. | Appearance | Softening point /℃ | Heating loss/%(65℃) | Free phenol/% |
| DR-7201 | Brownish red to deep brown particles | 95-109℃ | <1.0 | <8.0% |
| DR-7202 | Brownish red to deep brown particles | 95-109℃ | <1.0 | <5.0% |

Packing: Valve bag packaging or paper plastic composite package lining with inner plastic bag, 25kg/bag. Storage: The product should be stored in a dry, ventilated warehouse below 25℃ and relative humidity below 70%. And the storage life is no longer than 12 months. The product can still be used if tested qualified upon expiration.