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Fused Silica Distillation Flask from China

High-hardness fused silica flask for precise distillation in chemical research labs. Fired ceramic body reaches Mohs 9+, as per Chapter 69 for technical uses in handling volatile compounds. Translucent and low-absorption for purity.

Duty Rate — China → United States

41.5%

Rate breakdown

9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

Certify fused silica composition and firing temp >800°C; document lab-specific design to differentiate from glassware

Check for exclusions if heated below 800°C curing