| Optimization of Cover Compound for Heat Resistant Conveyor Belt |
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| DOI： |
| Key Words: heat resistant conveyor belt；cover compound；SBR；charring layer |
| Author Name | Affiliation | | ZHANG Da-wei | Fuxin Huanyu Rubber（Group） Co.，Ltd | | XU Yu-hai | Fuxin Huanyu Rubber（Group） Co.，Ltd | | LIU Cong-wei | Appraisal of Quality Center of Advanced Materials and Prouduct in the Field Oil and Chemistry | | JIANG Hong-ming | Fuxin Huanyu Rubber（Group） Co.，Ltd |
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| Abstract: |
| The cover compound of heat resistant conveyor belt was optimized.The optimized formula（phr） was as follows：SBR 100，carbon black N330 67，zinc oxide 19，stearic acid 3，paraffin 1.5，antioxidant RD 0.8，antioxidant BLE 1.5，sulfur 0.2，accelerator NOBS 1.5，accelerator TMTD 2.3，other additives 18.The physical properties of optimized cover compound were good，the high performance charring layer could be formed under dynamic condition and at high temperature，and the service time of heat resistant conveyor belt was extended. |
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