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(redispersible polymer powder hs code)
Proper HS code identification ensures redispersible polymer powder shipments comply with international trade regulations. The harmonized system code 3912.90 typically applies to cellulose derivatives like HPMC, with variations depending on:
Advanced spray-drying techniques achieve 98.7% dispersion efficiency compared to conventional methods (82-89%). Key performance metrics:
Parameter | Standard Grade | Premium Grade |
---|---|---|
Gel Temperature | 58-62°C | 65-70°C |
Viscosity (2% solution) | 40,000 mPa·s | 75,000 mPa·s |
Ash Content | ≤2.5% | ≤1.2% |
Top producers demonstrate distinct advantages in polymer powder manufacturing:
Manufacturer | Production Capacity | Certifications |
---|---|---|
ChemCorp | 25,000 MT/year | REACH, FDA 21 CFR |
PolymerSolutions | 18,000 MT/year | ISO 9001:2015 |
Modified polymer powders achieve targeted performance characteristics:
Case study analysis reveals efficiency gains in:
Global market access requires adherence to:
Optimal procurement of hydroxypropyl methyl cellulose products demands:
(redispersible polymer powder hs code)
A: The HS code for redispersible polymer powder is typically 3912.90, classified under "cellulose derivatives" or similar polymer categories. Verify with local customs for region-specific classifications.
A: HPMC usually falls under HS code 3912.31 or 3912.39, depending on its chemical composition and application. Confirm with updated customs databases for accuracy.
A: No, HS codes may vary slightly by country. While the first six digits (e.g., 3912.xx) are standardized, national extensions might differ. Always check local regulations.
A: HS codes for hydroxypropyl methyl cellulose are specified under subheadings like 3912.31 (ether derivatives). Other cellulose ethers may use 3912.39 or distinct codes based on functional groups.
A: Generally not. Redispersible polymer powder is often under 3912.90, while HPMC is classified under 3912.31/3912.39. Consult customs authorities to avoid misclassification.
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