HS Code 700231: Glass; unworked, in tubes, of fused quartz or other fused silica
What is HS Code 700231
HS Code 700231 covers Glass; unworked, in tubes, of fused quartz or other fused silica. It is a 6-digit subheading — the deepest level of the international HS — within: · Section XIII — Articles of stone, plaster, cement, asbestos, mica or similar materials; ceramic products; glass and glassware · Chapter 70 — Glass and glassware · Heading 7002 — Glass in balls (other than microspheres of heading no. 7018), rods or tubes, unworked. At 6 digits, this code is the same in every HS-adopting country. From digit 7 onward, each country extends it.
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What does HS Code 700231 Glass; unworked, in tubes, of fused quartz or other fused silica Cover?
What HS Codes for Glass and Glassware Do Not Cover
Chapter 70 covers glass and glassware — sheets, containers, optical glass, fibers. Goods frequently misclassified here but that belong elsewhere include:
Optical lenses and prisms (mounted in instruments)
Chapter 90
Glass imitation jewelry
Chapter 71
Glass for vehicles (windshields mounted in vehicles)
Chapter 87
Mirrors of precious metal
Chapter 71
This list highlights common classification errors only — it is not exhaustive. For binding classification, work with a licensed customs broker or qualified trade compliance professional.
