Joysun rubber back-up pads for quick change discs are constructed with either a smooth surface or ribbed surface. The pads are manufactured in regular densities for general purpose grinding applications and come in a selection of diameters and arbors.
| Product Code | JAC-A226BP | JAC-A227BP | 
| Back Pad Materials | Plastic | Plastic | 
| Back-up Pad Hardness | Medium | Medium | 
| Fastening Qucik Change Type | TR | TS | 
| BRITSH SIZE | METRIC SIZE | MAX | STD | PART # | PART # | |||
| ( D x S ) | ( D x S ) | RPM | PACK | |||||
| 25 x 6 mm | 30,000 | 50 | 21622 | 21677 | ||||
| 40 x 6 mm | 25,000 | 50 | 21635 | 21680 | ||||
| 50 x 6 mm | 25,000 | 50 | 21648 | 21693 | ||||
| 76 x 6 mm | 20,000 | 50 | 21651 | 21706 | ||||
| 100 x 6 mm | 15,000 | 50 | 21664 | 21719 | ||||
Joysun Abrasives Co.,Ltd.
E-mail:
 hopesuns@hotmail.com
  joysunabrasives@hotmail.com
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  Tel.: +86-371-67622388
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