Polystyrene Injection Molding Runners
Solidified sprues and runners from polystyrene injection molding of toys and containers, representing pure styrene polymer waste. These are classified as waste, parings and scrap of polymers of styrene under tariff item 3915.20.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the runners are reground into powder or granules for reuse
Reground material in primary forms is classified under the polymer heading, not waste.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure runners are clean and free of metal inserts or other non-plastic parts
• Keep documentation showing the material is 100% polystyrene
• Be aware that if the runners are reground and sold as molding powder, they may be classified as primary forms
Related Products under Tariff item 3915.20.00
Crystal Polystyrene (GPPS) Sheet Scrap
Parings and scrap from general purpose polystyrene (GPPS) sheet production, used for CD cases and signage. This material is pure polystyrene with 100% styrene monomers, qualifying as waste, parings and scrap of polymers of styrene under tariff item 3915.20.00.
General Purpose PS Pellet Plant Purge
Purge material from GPPS pellet manufacturing lines, consisting of off-spec polystyrene that is not usable as finished product. This material is classified as waste, parings and scrap of polymers of styrene under tariff item 3915.20.00.
PS Thermoforming Regrind Flakes
Regrind flakes from closed-loop PS thermoforming operations for food trays, maintaining styrene purity for recycling. This material qualifies as waste, parings and scrap of polymers of styrene under tariff item 3915.20.00.
PS Vacuum Forming Trim Waste
Skeleton trim from vacuum forming polystyrene sheets into trays and blisters, using standard GPPS or HIPS material. This trim waste is classified under tariff item 3915.20.00 as waste, parings and scrap of polymers of styrene.
Recycled PS Bottle Flakes
Granulated flakes from post-consumer polystyrene dairy or condiment bottles, confirmed as styrene polymer content. These flakes are classified as waste, parings and scrap of polymers of styrene under tariff item 3915.20.00.
Styrene Copolymer CD Jewel Case Scrap
Broken and trimmed PS/SAN cases from optical media packaging production, where styrene is the dominant monomer. This scrap qualifies as waste, parings and scrap of polymers of styrene under tariff item 3915.20.00, provided styrene units exceed 95% by weight.