wood strength
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🪵 What Are the Bending Classes Introduced in Plywood (IS 303:2024)?
The Bureau of Indian Standards (BIS) recently introduced bending classes under IS 303:2024 (2nd Amendment) for General-Purpose Plywood.This change divides plywood into five strength categories — from F10 (lightest) to F50 (strongest) — based on static bending strength. 📜 Why the Amendment Matters Previously, all ISI certified plywood had to meet a single minimum bending requirement (For MR Grade: MoR ≥ 15 N/mm², MoE ≥ 2100 N/mm²).Now,…