Fused Quartz Optical Fiber Drawing Tubes from Germany
Precision unworked tubes of fused silica used in optical fiber preform collapse and drawing towers. Their clarity and low impurity levels are critical for single-mode fiber production. HTS 7002.31.00.00 applies to these unworked fused quartz tubes.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Provide OH-content and defect specifications proving suitability only for fiber optics
• Outer diameter tolerances listed but emphasize no precision machining performed
• Customs may challenge large-diameter tubes (200mm+ OD) as 'articles' vs raw material