Synthetic Fused Silica Crucible Rod
Rod stock of synthetic fused silica used to form electric melting crucibles for crystal growth. Classified under HTS 7002.20.10.00 as unworked rods meeting the fused silica definition.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If refractory ceramic crucibles
Non-silica ceramic versions classify under Chapter 69.
If hollowed into finished crucible form
Machined crucibles become worked hollow ware.
If parts of crystal growing furnaces
Integrated furnace parts go to electric heating equipment.
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Import Tips & Compliance
• Specify flame-fusion or electric-fusion process in certificates
• OH content documentation (<20 ppm) for crucible quality
• Thermal shock test data prevents valuation disputes
Related Products under HTS 7002.20.10.00
Fused Quartz Optical Rod
A high-purity rod made from fused quartz or fused silica, unworked except for basic forming, used in optical systems and lasers. It falls under HTS 7002.20.10.00 as an unworked rod of fused quartz or other fused silica, prior to any further processing like cutting or polishing.
Fused Silica Thermocouple Protection Tube
Unworked tube-like rod of fused silica designed to sheath thermocouples in high-temperature furnaces. Classified in HTS 7002.20.10.00 as it is an unworked rod or tube of fused silica, not further processed before annealing.
Fused Quartz Semiconductor Processing Rod
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Fused Silica Laboratory Stirring Rod
Straight unworked rod of fused silica used in chemical laboratories for mixing reagents without contamination. Falls under HTS 7002.20.10.00 as an unworked rod of fused quartz/silica per the tariff hierarchy for balls, rods, or tubes.
Fused Quartz Fiber Drawing Rod
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High-Purity Fused Silica Halogen Lamp Rod
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