Thick Drawn Glass Sheet for Greenhouse Panels
A rectangular drawn glass sheet measuring approximately 0.5 m² in area and over 3.5 mm thick, used for constructing greenhouse roofing and walls. It falls under HTS 7004.90.30.50 as drawn glass in sheets, rectangular shape, with area between 0.26 and 0.65 m², not otherwise worked beyond possible annealing.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If float glass rather than drawn glass
Float glass process changes classification to heading 7005, even for similar sheets not otherwise worked.
If safety glass with tempered or laminated features
Addition of safety treatments like tempering moves it to heading 7007 for safety glass sheets.
If used for paving, construction, or building windows
Sheets specifically for building applications like windows classify under heading 7006 regardless of other characteristics.
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Import Tips & Compliance
• Verify exact dimensions and thickness with caliper measurements to confirm fit within 7004.90.30.50 subheading
• Provide mill test certificate showing drawn glass composition and absence of further working like edging or drilling
• Avoid common pitfall of classifying cut-to-shape sheets without confirming annealing status per Chapter 70 notes
Related Products under HTS 7004.90.30.50
Rectangular Blown Glass Pane for Picture Frames
A blown glass sheet in rectangular shape, sized at 0.4 m² and thicker than 3.5 mm, ideal for large picture frame glazing. Classified in HTS 7004.90.30.50 as blown glass in sheets, meeting the area and thickness criteria without additional working.
Thick Blown Glass Sheet for Custom Skylights
Blown glass in rectangular sheets measuring 0.35 m² and exceeding 3.5 mm thick, suitable for bespoke skylight installations. Falls under HTS 7004.90.30.50 for blown glass sheets not otherwise worked in the designated size.
Industrial Blown Glass for Machine Guards
Blown glass rectangular sheet at 0.45 m² and over 3.5 mm thick for protective machine guarding panels. Meets HTS 7004.90.30.50 for other blown glass sheets in specified dimensions, not further worked.
Thick Drawn Glass for Display Cases
Drawn glass sheet measuring 0.3 m² in rectangular shape, thicker than 3.5 mm for museum display case tops. HTS 7004.90.30.50 applies to such unworked drawn glass sheets in the medium area range.
Heavy Drawn Glass for Industrial Sight Windows
Drawn glass sheet of 0.55 m² area and over 3.5 mm thickness, designed for sight glasses in industrial machinery housings. It qualifies for HTS 7004.90.30.50 as unworked drawn glass in rectangular sheets within the specified size range.
Drawn Glass Panel for Large Aquariums
Rectangular drawn glass sheet of 0.6 m² area and greater than 3.5 mm thickness for aquarium tank walls. Classified under HTS 7004.90.30.50 as unworked drawn glass sheets fitting the precise size and shape criteria.