Alpha Rigid Backer Pads - 2 Pack Threads:M14 10% relative humidity Approximately 1

10% relative humidity Approximately 1 hour 30 minutes Hardness in Shore D (1) ASTM D 2240 78 Glass transition temperature Tglass (ASTM E1545) (1) 60 °C Peeling test with glass fiber on marble (ASTM D3167) (1) 0

this ZENESIS™ BLADE excels in cutting concrete

Won't harm polished finishes

Designed for Chip-Free Cutting

Auto locks and unlocks load

Alpha Rigid Backer Pads - 2 Pack Threads:M14 10% relative humidity Approximately 1Alpha Rigid Backer Pads for Attaching Diamond Polishing Pads Alpha Professional Tools first introduced rubber backer pads with the AEP 458 electric polisher to promote the concept of wet polishing, which then became the accepted method of polishing. Alpha recognized the need to add a rigid version of this backer pad to its product line for straight edge or flat surface polishing applications. We realized that Ceramica, with a flexible backer pad, was