🏭 Zirconia · Ceramic · Aluminum Oxide Coated Abrasives📞 +86 138-2184-2848

Knowledge Center

Practical guides to help you choose and use the right sanding belt

Grit to Surface Roughness (Ra) Chart & Guide

Which grit gives Ra 0.8μm? A complete chart linking grit, Ra, visible finish and stainless steel grades — plus the FEPA-P vs CAMI difference every buyer should know.

Read guide →

Zirconia vs Ceramic — How to Choose

Both are premium grains but behave very differently. Zirconia needs high pressure and suits heavy roughing; ceramic cuts cool under light pressure for titanium and nickel alloys. Read the full guide.

Read guide →

Sanding Belts for Stainless Steel

Stainless steel is heat-sensitive and discolors easily. Which grain and grit for roughing, deburring, brushing and finishing — and how to avoid grinding burn. Read the full guide.

Read guide →

Sanding Belts for Aluminum

Aluminum is soft and gummy — it clogs belts fast. Which grain and grit for profiles, castings and sheet, and the anti-clog tricks that stop belt loading. Read the full guide.

Read guide →

How to Grind Down a Weld

Weld grinding is easy to botch — dishing, burn, grain mismatch. The 3-step process (cap removal, blending, grain matching), a model chart and four common-defect fixes. Read the full guide.

Read guide →

Belts for Titanium & Nickel Superalloys

Titanium and Inconel are hard to grind — from heat, work-hardening and fire risk, not hardness. Why ceramic wins, grit selection and safe-grinding tips. Read the full guide.

Read guide →

Understanding Belt Backings

Cloth (J/X/Y), paper and film backings — how the backing affects flexibility, strength and finish, and which to use for flat vs curved work. Read the full guide.

Read guide →

Sanding Belt Sizes: How to Measure & Order

Most wrong-belt orders are a measuring mistake, not a selection mistake. Width × circumference, three ways to measure a belt you already have, the length formula when you have none, and the six things to put in an inquiry. Read the full guide.

Read guide →

Belt Grinder Setup — Speed, Wheels & Tension

Your motor’s RPM is not your belt speed. RPM-to-SFPM conversion tables, contact wheel durometer, tension, joint direction — and why WY1266 and WY1289 are built for different machine speeds. Read the full guide.

Read guide →

Troubleshooting: 8 Belt Problems & Fixes

Glazing, burn marks, chatter, deep scratches, tracking off, joint tears, clogging and storage damage — what each symptom actually means and the checks to run, in order. Read the full guide.

Read guide →
💡 More selection guides are being added. For any selection question, call +86 138-2184-2848 or send an inquiry — tell us your material, process and belt grinder size and we'll recommend a model and grit, with samples for trial.