Canvas Polishing Pads

Professional industrial-grade canvas polishing pads for lapidary, glass, jade, quartz, and stone polishing. Canvas provides a firm, durable polishing surface that holds compound effectively and delivers consistent results across extended polishing sessions. Available in 6" and 8" diameters with Velcro (Hook & Loop) backing in screwback-compatible versions (with center hole for 1/4"-20 master laps) and standard versions (no center hole). Compatible with cerium oxide, diamond paste, and tin oxide polishing compounds.

Available Sizes & Pricing

Diameter Version Center Hole Backing Price
6" Screwback Compatible Yes (1/4"-20) Velcro (Hook & Loop) $50.00
8" Screwback Compatible Yes (1/4"-20) Velcro (Hook & Loop) $50.00
6" Standard (no center hole) No Velcro (Hook & Loop) $35.00
8" Standard (no center hole) No Velcro (Hook & Loop) $38.00

Polishing Compound Compatibility Guide

Compound Grade Stage Best For
Diamond Paste 3,000–80,000 grit Pre-polish to mirror polish Hard gemstones (Mohs 6+): agate, quartz, jasper, jade
Cerium Oxide 0.3–1μm Final mirror polish Glass, optical components, softer gems (Mohs 5–7)
Tin Oxide Ultra-fine Final polish Soft stones, opal, turquoise, antique glassware

Compatible Applications

  • Gemstone cabochon polishing on flat lap and master lap machines
  • Glass polishing and antique glassware restoration
  • Jade, quartz, and hard stone surface finishing
  • Knife blade refinement and metal surface polishing
  • Auto detailing glass and paint surface correction

Related Tools

Frequently Asked Questions

  • Q: What is the difference between screwback-compatible and standard canvas polishing pads?
    A: Screwback-compatible pads have a center hole sized for 1/4"-20 threaded master laps, allowing secure attachment to screwback lap systems used on faceting machines and precision flat lap setups. Standard pads (no center hole) attach via Velcro (Hook & Loop) backing to compatible backing plates on flat lap machines, angle grinders, and rotary tools.
  • Q: Why choose canvas over felt or leather polishing pads?
    A: Canvas provides a firmer, more durable polishing surface than felt, with better compound retention than leather. It is particularly effective for polishing hard stones like jade, quartz, and agate where a firm, consistent surface is needed to maintain flat facets and even polish. Canvas pads also hold up better to extended polishing sessions than felt pads.
  • Q: What polishing compound works best with canvas pads for glass polishing?
    A: Cerium oxide is the preferred compound for glass polishing on canvas pads — it delivers fast, effective material removal and a high-quality mirror finish on glass surfaces. For antique glassware restoration, tin oxide provides a gentler polishing action. Apply compound sparingly and work at moderate speed with water lubrication for best results.
  • Q: Can canvas polishing pads be used on a standard flat lap machine?
    A: Yes — canvas pads with Velcro (Hook & Loop) backing attach to compatible backing plates on standard flat lap machines. For machines with magnetic quick-change systems, use the screwback-compatible version with a master lap, or use a Hook & Loop backing plate adapter.
  • Q: How do I clean canvas polishing pads after use?
    A: Rinse canvas pads thoroughly with clean water after each use to remove compound residue and stone debris. Gently scrub with a soft brush if needed. Allow to air dry completely before storage. Dedicate separate pads to each compound type to prevent cross-contamination between polishing stages.