ASTM C150 Type III Portland Cement from Canada
ASTM C150 Type III Portland cement provides high early strength for cold weather concreting and precast elements, with optimized fineness. Under HTS 2523.29.00.00 as other Portland cement, it's distinguished from white or low-alkali types. Speeds up formwork cycles in construction.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• 28-day strength certificates per ASTM; higher cost—ensure duty drawback eligibility; pitfall: confusing with Type I leading to wrong subheading