HDPE Rigid Gas Distribution Pipe
Rigid high-density polyethylene pipe for natural gas distribution networks, meeting strict pressure ratings. Classified in 3917.21.00.00 due to its ethylene polymer base (predominant monomer) and rigid structure for buried installations.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If made from other rigid plastic polymers like propylene
Rigid pipes of non-ethylene polymers (e.g., polypropylene) go to 3917.39 per polymer classification hierarchy.
If for industrial filtering end-use as part of apparatus
If specifically for filtering/purifying water in machinery, it may classify as parts of filtering equipment under 8421.
If polymers are copolymers with styrene predominance
Subheading notes classify based on predominant monomer; styrene-ethylene copolymers shift to 3917.22.
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Import Tips & Compliance
• Include pressure rating certifications and SDR (standard dimension ratio) specs to prove rigid construction
• Label shipments clearly as 'rigid polyethylene pipes of ethylene polymers' to match HTS description
• Watch for blending with other monomers over 5%, which may require predominant monomer analysis under subheading notes
Related Products under HTS 3917.21.00.00
Rigid Polyethylene Water Pipe
A rigid tube made from high-density polyethylene (HDPE) polymers of ethylene, used for underground water distribution systems. It falls under HTS 3917.21.00.00 as a rigid pipe composed primarily of ethylene polymers (95%+ by weight), designed for fluid conveyance without flexibility.
HDPE Rigid Conduit Pipe
Rigid HDPE electrical conduit pipe for underground wiring protection. Meets 3917.21.00.00 as ethylene polymer rigid tube for structural support.
Corrugated Rigid HDPE Culvert Pipe
Large-diameter corrugated rigid HDPE pipe for highway culverts and stormwater. Rigid ethylene polymer structure places it in 3917.21.00.00.
Rigid PE Drainage Pipe
Corrugated rigid polyethylene pipe used for stormwater and sewage drainage in construction. It qualifies under 3917.21.00.00 as a rigid tube of ethylene polymers, with HDPE providing the necessary stiffness and durability.
High-Pressure Rigid HDPE Tubing
Rigid HDPE tubing for high-pressure chemical transfer in industrial settings. Falls under 3917.21.00.00 for its ethylene-based polymer composition and non-flexible design.
Rigid Polyethylene Irrigation Pipe
Schedule 40 rigid PE pipe for agricultural irrigation systems, buried or above-ground. Classified in 3917.21.00.00 as rigid tubes of ethylene polymers per composition rules.