Purified Quartz Sand for Lamp Tubing Glass
Artificial sand from selected quartz, 98.5% SiO2 and <0.1% iron, for borosilicate glass in fluorescent lamps and tubes. HTS 2506.10.0010 covers this due to flotation purification process meeting non-natural sand criteria and purity specs.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If other quartz sands not meeting iron limit
Subheading splits based on exact iron threshold within 2506.10.
If fused into glass tubes
Processed into glass articles for lamps shifts to Chapter 70 heading 7002.
If highly purified silicon dioxide
Ultra-pure (>99.9%) forms become 'silicon dioxide' chemical in Chapter 28.
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Import Tips & Compliance
• Obtain pre-shipment purity guarantees from suppliers to streamline FDA/CBP inspections if glass contacts food
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