Plaster Soil Amendment Block
Compressed gypsum plaster blocks used to amend sodic soils in agriculture by improving water penetration. Pure gypsum composition for farming applications. Classified in 6809.90.00.00 as other plaster articles.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | +37.5% | 37.5% |
| 🇲🇽Mexico | Free | +10.0% | 10% |
| 🇨🇦Canada | Free | +10.0% | 10% |
| 🇩🇪Germany | Free | +10.0% | 10% |
| 🇯🇵Japan | Free | +12.5% | 12.5% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If fertilizer grade gypsum
Mineral gypsum for fertilizer use goes to Chapter 31.
If natural gypsum powder
Unprocessed or calcined gypsum classifies under Chapter 25.
If animal feeding gypsum
Gypsum for livestock feed amendments goes to fertilizers.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Agricultural use certificates prevent fertilizer misclassification
• Purity analysis confirms >90% gypsum content for plaster definition
• Bulk packaging distinguishes from retail consumer products
Related Products under HTS 6809.90.00.00
Plaster Fire Barrier Putty
Non-hardening plaster-based putty designed to seal penetrations in fire-rated walls. Made from gypsum compositions for firestop applications in construction. HTS 6809.90.00.00 covers such specialized plaster articles.
Gypsum Garden Statue
Weather-resistant gypsum plaster statue for outdoor garden decoration, featuring classical figures. Coated for durability but primarily plaster-based. Covered by HTS 6809.90.00.00 for other plaster articles.
Plaster Acoustic Panel
Sound-absorbing panels made from porous gypsum plaster for recording studios and theaters. Designed with textured surfaces for optimal acoustics. HTS 6809.90.00.00 for specialized plaster articles.
Architectural Plaster Relief Panel
Hand-crafted plaster panels with bas-relief designs for wall applications in historic buildings. Made from fine gypsum plaster for restoration work. Classifies under 6809.90.00.00 as other plaster articles.
Plaster Casting Mold
Reusable plaster molds for casting metals, resins, or concrete in manufacturing. Made from high-strength gypsum investment plaster. HTS 6809.90.00.00 covers industrial plaster articles.
Gypsum Handicraft Plaque
Decorative wall plaques made from molded gypsum plaster, featuring religious or folk art motifs. Hand-painted finishes for retail sale. Falls under HTS 6809.90.00.00 for plaster decorative articles.