Analysis
“Hemp Plastic” and Compostable Claims Under Fire: California SB 343, ASTM D6400, and Proof You’ll Need for 2025–2026
California is raising the bar for hemp packaging sustainability claims. As SB 343, SB 54, ASTM compostability standards, and the FTC Green Guides reshape how brands can market recyclable, compostable, biodegradable, plastic-free, and bio-based packaging, cannabis and hemp operators need audit-ready substantiation before making environmental claims.