CVD Oxidation Furnace Quartz Liner Tube

Fused silica liner tube for chemical vapor deposition oxidation furnaces used in semiconductor manufacturing. Protects furnace chamber while providing clean processing environment for wafer oxidation. HTS 7017.10.30.00 due to fused quartz material and dedicated semiconductor furnace design.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

7001.00.10Same rate: 35%

If in form of continuous fused quartz cullet before tube forming

Unworked glass in blocks or sheets classifies under heading 7001.

7017.20.00Higher: 41.7% vs 35%

If made from borosilicate laboratory glass instead of fused quartz

Other laboratory glass materials have dedicated subheadings.

9027.90.56Same rate: 35%

If designed as specialized parts for physical/chemical analysis instruments

Lab instrument parts may classify under Chapter 90 based on instrumental use.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Specify inner diameter tolerance and length matching standard furnace specs in import docs

Obtain material analysis confirming >99.99% SiO2 content as fused quartz

Prevent reclassification by excluding any absorbent/reflecting coatings per Chapter notes