F등급과 P등급 실리콘 카바이드: 라벨 뒤에 숨은 표준
F-grade and P-grade silicon carbide share the same grit numbers but follow different FEPA standards with meaningfully different particle size tolerances. This article explains the technical distinctions, maps each grade to its correct application, and outlines what procurement teams should verify before accepting a supplier’s grade declaration.