Section XIII — Articles of stone, plaster, cement, asbestos, mica or similar materials; ceramic products; glass and glassware
HS code
70023100
Of fused quartz or other fused silica
Last Verified Date - 27 September 2026
Common commodities
High-purity amorphous silicon dioxide (fused quartz) unworked tubesFused silica glass tube blanksUnworked UV-transparent quartz glass tubingHigh-temperature resistant fused silica tubesQuartz glass tubes for laboratory use - unworkedPure silica dioxide tubes for optical applications - unworkedFused quartz blank tubes for high vacuum systemsUnworked tubes made from high-purity amorphous silicon dioxide (fused silica) for thermal insulationQuartz glass tubes for heat resistance purposes - unworkedHigh-purity fused quartz tubes - unworked