Item |
Specifications |
Test methods |
Combined acid% |
55.30±0.50 |
GB/T32117-2015 Appendix A |
Inherent viscosity dL/g |
1.60±0.10 |
GB/T32117-2015 Appendix B |
Moisture % |
≤ 2.0 |
GB/T32117-2015 Appendix C |
Blockage value |
≥ 25 |
GB/T32117-2015 Appendix D |
Free acid % |
≤0.0050 |
GB/T32117-2015 Appendix E |
Ash ppm |
250±10 |
|
Color, b |
≤ 5.0 |
GB/T32117-2015 Appendix G |
Bulk density |
0.17~0.30 |
|
Fe ppm |
2.0±0.5 |
|
Conclusion |
The results conforms withenterprise standards |