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Synthetic Dolomite Ramming Mix

Engineered dolomite ramming mix using synthetic dead-burned magnesite and lime for electric arc furnace (EAF) bottoms. This meets the dolomite ramming mix definition for high-slag resistance, falling under tariff item 3816.00.00, and is not a product of heading 38.01.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
🇨🇳ChinaFree—Free
🇲🇽MexicoFree—Free
🇺🇸United StatesFree—Free
🇩🇪GermanyFree—Free
🇯🇵JapanFree—Free

More Specific Codes

This product may fall under a more specific subheading:

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3824.99.00Same rate: Free

If synthetic components make it more than a standard dolomite mix.

Other chemical preparations may apply if the composition is highly engineered.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Ensure the product is not a separate chemically defined compound, which is excluded from Chapter 38

• Provide a detailed composition breakdown to CBSA for classification

• Verify that the product is not a medicament or waste product

Related Products under Tariff item 3816.00.00

Andalusite-Based Refractory Guniting Mix

Pneumatic-applied mix with andalusite for wear-resistant coatings in blast furnaces. This product is a refractory composition other than dolomite ramming mix, falling under tariff item 3816.00.00, and is not a product of heading 38.01.

Basic Dolomite Ramming Mix

A refractory composition primarily consisting of dead-burned dolomite, used for ramming induction furnace linings in steelmaking. This product is a dolomite ramming mix, which is explicitly included in tariff item 3816.00.00, and is not a product of heading 38.01.

Castable Refractory Mix for Boilers

A pourable, high-purity alumina castable for repairing boiler walls and combustion chambers. This is a refractory concrete that cures to withstand rapid temperature changes, falling under tariff item 3816.00.00, and is not a product of heading 38.01.

Chrome-Free Magnesia Refractory Cement

Eco-friendly cement using magnesia and spinel for ladle linings, avoiding hexavalent chrome risks. This is a refractory cement other than dolomite ramming mix, falling under tariff item 3816.00.00, and is not a product of heading 38.01.

Dead Burnt Dolomite Ramming Mix

High-fired dead burnt dolomite specifically processed into ramming mix for cupola furnace linings in iron foundries. This is a dolomite ramming mix, directly matching the description of tariff item 3816.00.00, and is not a product of heading 38.01.

Dolomite-Silica Ramming Mix

Blended ramming mix for coreless induction furnaces, modified with silica in addition to dolomite. This product is a refractory composition other than pure dolomite ramming mix, falling under tariff item 3816.00.00, and is not a product of heading 38.01.