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HS 2022 · 6-digit international code

HS Code 700231

Of fused quartz or other fused silica

Official description: Glass in balls (other than microspheres of heading 7018), rods or tubes, unworked : Tubes : Of fused quartz or other fused silica

Also searched as: quartz glass tubes, fused silica tubes, quartz tubing, fused quartz tubes

Official sources, not guessesSame 6 digits worldwideBuilt for 1688 buyers

Classification

How 700231 breaks down

HS 2022
70Chapter

Glass and glassware

7002Heading

Glass in balls (other than microspheres of heading 7018), rods or tubes, unworked

700231Subheading

Of fused quartz or other fused silica

Covered products

What products fall under HS code 700231?

Buyers sourcing of fused quartz or other fused silica from 1688 commonly describe it in these ways. If your product matches, 700231 is likely the right 6-digit starting point — confirm material and intended use against the official tariff.

quartz glass tubesfused silica tubesquartz tubingfused quartz tubes

Import duty by market

Where to check the import duty for HS 700231

The 6-digit code is universal, but duty, VAT and GST are set by the destination country and depend on the full national tariff line with China as the country of origin. Start from the official source for your market.

Compare the real China-origin import tax across markets

Use the HS & import duty checker to estimate duty + VAT/GST for 700231 by destination before you pay a 1688 supplier.

Open duty checker

Heading 7002

Other HS codes under 7002

Subheadings in the same 4-digit heading — "Glass in balls (other than microspheres of heading 7018), rods or tubes, unworked". If 700231 is not an exact match, one of these may classify your product more precisely.

Questions

HS code 700231: common questions

What is HS code 700231?

HS code 700231 is the World Customs Organization 6-digit HS 2022 subheading for "Glass in balls (other than microspheres of heading 7018), rods or tubes, unworked : Tubes : Of fused quartz or other fused silica". The first two digits (70) are the chapter — Glass and glassware — and digits 3-4 (7002) are the heading. Countries add further digits (8-10) for their national tariff line.

What products fall under HS 700231?

Common products classified under 700231 include quartz glass tubes, fused silica tubes, quartz tubing, fused quartz tubes and similar items matching of fused quartz or other fused silica. The correct code still depends on the product's material, function and intended use.

How do I find the import duty for HS code 700231?

Duty is set by the destination country, not by the 6-digit HS code alone. Start from the official tariff of your market — USITC HTS (US), TARIC / Access2Markets (EU), GOV.UK Trade Tariff (UK), CBSA (Canada), ABF (Australia) or Singapore Customs — and look up the full national code with China as the country of origin.

Is HS code 700231 the same in every country?

The first 6 digits (700231) are the same worldwide under the WCO Harmonized System. Beyond that, each country extends the code (HTS in the US, TARIC in the EU, etc.) and sets its own duty and tax rates.

Can I trust the HS code a 1688 supplier gives me?

Treat a supplier-provided code as a clue, not a final classification. It can be incomplete, China-export-specific, or mismatched to your destination's rules. Verify against the official tariff and your product's actual material and use.

Sourcing of fused quartz or other fused silica from 1688?

Get a written pre-payment check — classification clues, China-origin landed cost, and supplier risk — before you commit. 5,754 HS codes covered.