Master Builders X-Seed Crystalline Early Strength Enhancer from United States
Nucleation seeding crystals that accelerate cement hydration, providing early strength development in precast concrete production. This prepared additive for concrete is classified under 3824.40.00 as it enhances the setting and hardening of cementitious materials.
Duty Rate — United States → Canada
PGA flags
No agency flag on this HTS number in the CBSA Single Window matching criteria.
CBSA Single Window matching criteria, unknown
Import Tips
• Provide a detailed product specification sheet to CBSA officers to demonstrate that the product is a prepared additive, not a separate chemically defined compound
• Verify if the product contains any nanomaterials that may require notification under the Canadian Environmental Protection Act
• Consider applying for a ruling from the CBSA to confirm classification if you import this product regularly