PTFE High Bulk Density Powder
High bulk density PTFE powder for automatic molding equipment. Classified 3904.61.00.90 'Other' primary form polytetrafluoroethylene. 550+ kg/m³ density grade.
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Alternative Classifications
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Import Tips & Compliance
• Measure and declare apparent density per ASTM D4894
• Anti-caking agent <0.5% permitted; document levels
• High density shouldn't be confused with sintered products
Related Products under HTS 3904.61.00.90
Micronized PTFE Powder
Micronized polytetrafluoroethylene powder used as a dry lubricant or filler in inks and coatings. HTS 3904.61.00.90 covers this 'Other' primary form PTFE with ≥95% monomer content per subheading rules. Remains in primary forms, not end-use products.
Hostaflon PTFE Standard Powder
Hostaflon standard viscosity PTFE powder for ram extrusion of rods and tubes. Classified 3904.61.00.90 as other primary form PTFE per Chapter 39 polymer notes. Free-flowing powder grade.
Algoflon PTFE Molding Powder
Algoflon PTFE free-flow molding powder for isostatic pressing of complex shapes. Under 3904.61.00.90 as other polytetrafluoroethylene primary forms per subheading purity rules. High bulk density grade.
Teflon PTFE Fine Powder
Teflon branded fine powder PTFE for thin-film applications and coatings. 3904.61.00.90 covers this 'Other' primary form fluoropolymer per 95% monomer standard. Trademarked industrial resin.
PTFE Filler Powder
PTFE powder used as functional filler in thermoset composites and rubbers. HTS 3904.61.00.90 'Other' for pure primary form PTFE meeting Chapter notes. Standard filler grade.
Neoflon PTFE Molding Powder
Neoflon high-performance PTFE molding powder for semiconductor wafer carriers. Under 3904.61.00.90 as other primary PTFE per purity requirements. Cleanroom grade resin.