Cosmetic finish-SPI B Mold finish standard- SPI Finish B-1 — 600 Grit Paper SPI Finish B-2 — 400 Grit Paper SPI Finish B-3 — 320 Grit Paper By admin|2017-03-18T09:06:03+00:00October 6th, 2016|SPI Mold Finish Standard|Comments Off on Cosmetic finish-SPI B Mold finish standard- Share This Story, Choose Your Platform! FacebookTwitterLinkedInEmail About the Author: admin