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2523.90.00.00/Masonry Hydraulic Cement/Mexico

Masonry Hydraulic Cement from Mexico

Masonry hydraulic cement blends natural cement with limestone for tuckpointing and restoration work, setting hydraulically. HTS 2523.90.00.00 covers this as other hydraulic cement, distinct from standard Portland. Colored variants for matching historic brickwork are common.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Document color additives and composition to prove hydraulic nature vs. lime putty

• Test for minimum compressive strength (300 psi in 28 days) per ASTM C91 standards