10K mirror-finished stainless steel coil is an ultra-premium surface-refined product that exceeds 8K standards in reflectivity, clarity, and defect-free aesthetics. The “10K” rating indicates a superior polishing grade achieved through extended multi-stage mechanical buffing with progressively finer abrasives (down to sub-micron levels) and specialized polishing compounds. This rigorous process eliminates all visible scratches, pitting, orange peel, and haze, delivering a mirror surface with over 95% reflectance and a roughness (Ra) below 0.02 µm—approaching optical-grade flatness. The base material is typically austenitic grades like 304 or 316L, offering excellent corrosion resistance and formability.
| Product Name | Test Item | 10K | Remarks |
|---|---|---|---|
| 10K Mirror Stainless Steel | Glossiness (GU) | 670-683 | 60° |
| Reflectance (REF) | 66-67.6 | 60° |