Ground Fused Silica Powder from Japan
Finely ground fused silica powder derived from fused quartz or silica, processed into powder form for use in ceramic and glass manufacturing. It falls under HTS 3207.40.10.00 as ground or pulverized glass in the form of powder, specifically for the ceramic, enamelling, or glass industry. This preparation enhances frit mixtures and provides high thermal stability.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Verify particle size and purity certifications to confirm classification as ground glass powder, avoiding misclassification under Chapter 28 inorganic chemicals
• Include safety data sheets (SDS) for silica dust hazards and ensure packaging prevents moisture absorption during transit