| Type | Cover compound | Temperature range ℃ | Belt surface temperature ℃ |
| HR-120-T2 | SBR | 70-120℃ | 120℃ |
| HR-150-T3 | EPDM | 100-200℃ | 150℃ |
Polyester core conveyer belt is a multi-layer polyester canvas bonded together by a certain way, from top to bottom coverage of high strength, good wear-resistant flexible rubber, no special corrosion for the transmission of small and medium-sized block, powder, granular and other materials.