Noryl Engineering Thermoplastic Sheet
Gray polyphenylene oxide/polystyrene blend (Noryl) sheet, 0.125-inch thick, for electrical enclosures. HTS 3921.90.5050 for other polymer blend sheets.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If chemically modified PPO/PS
Modified polymer blends classified per subheading note (a)(3) in 3920 Other.
If insulating electrical fittings
Electrical insulators have specific Chapter 85 provisions.
If primarily PVC based
PVC engineering plastics have dedicated subheadings apart from other polymers.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Technical data sheets showing predominant monomer compliance with Chapter 39 notes
• UL94 flammability ratings documentation for electrical applications
• Avoid 'finished enclosure' declarations shifting to 3926
Related Products under HTS 3921.90.50.50
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Transparent polycarbonate sheet, 0.25-inch thick, used for industrial machine safety guards and barriers. Falls under HTS 3921.90.5050 as other unreinforced plastic sheets in the plates, sheets, film category.
ABS Engineering Plastic Sheet
Black Acrylonitrile Butadiene Styrene (ABS) sheet, 0.125-inch thick, for prototyping and enclosure fabrication. Classified in HTS 3921.90.5050 as other plastic sheets meeting polymer predominance rules.
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