Sika Control AE 100 Viscosity Modifying Agent

A polymer-based viscosity modifier that stabilizes concrete aggregates to prevent segregation in self-consolidating concrete. Falls under HTS 3824.40.5000 as a prepared concrete flow control additive. Critical for high-rise construction and precast elements.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China5%+35.0%40%
🇲🇽Mexico5%+10.0%15%
🇨🇦Canada5%+10.0%15%
🇩🇪Germany5%+10.0%15%
🇯🇵Japan5%+10.0%15%

Alternative Classifications

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

3907.99Lower: 16.5% vs 40%

If imported as bulk polymer resin

Unmixed polymer components for admixture production classify as synthetic resins rather than finished preparations.

3824.40.10.00Higher: 41.5% vs 40%

If packaged for retail DIY concrete

Small consumer packages shift to ready-mixed subheading.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Validate slump flow tests per EFNARC guidelines; disclose polymer composition for TSCA; ship in nitrogen-blanketed containers to prevent degradation

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