- 2010: Woven 90mm 24 pieces
- 2011: Woven 140mm 24 pieces
- 2017: Non-Woven 90mm 24 pieces
- 2018: Non-Woven 140mm 24 pieces
Produced to ensure the consistent weight and thickness specified in the standard, this ensures that the testing will achieve excellent correlation when used in combination with the full range of SDC Martindale consumables. Both products are available in ready cut discs of 90mm and 140mm.