... pore structure, applicable for polishing of astigmatic glasses lens and glass tool.10375~80≥20Used for polishing process of glass ... to the imported LP66.10480~85≥25Applicable for high-speed polishing process of optical lens,prism,crystal artware, ... cutting rate,without passivation, suitable for the polishing of optical lens, prisms,precious stone and hard glass material. Glass polishing pad