Waste Propylene Glycol Heat Transfer Fluid
Spent glycol mixture from industrial heat exchangers and HVAC systems, degraded thermal properties. HTS 3825.50.00.00 as anti-freeze fluid waste per chapter note 6(d). Less toxic than ethylene glycol but still regulated.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If fresh propylene glycol heat transfer preparations
New inhibited propylene glycol fluids classified as anti-freeze preparations.
If pure propylene glycol
Unmixed, fresh propylene glycol under Chapter 29 alcohols.
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Import Tips & Compliance
• Distinguish food-grade vs industrial grade for disposal options
• Test glycol degradation products (acids, aldehydes)
Related Products under HTS 3825.50.00.00
Spent Hydraulic Fluid from Industrial Machinery
Used hydraulic oil from heavy machinery pumps and cylinders, contaminated with water, particulates, and degraded additives, unfit for further use. Falls under HTS 3825.50.00.00 as wastes of hydraulic fluids per chapter note 6(d). Typically requires recycling or disposal as hazardous waste.
Contaminated Hydraulic Fluid from Mining Equipment
Degraded hydraulic fluid from heavy mining excavators, mixed with ore dust and water, unfit for lubrication. HTS 3825.50.00.00 applies to hydraulic fluid wastes as per chapter note 6(d). High viscosity and particulate load.
Sulfuric Acid Pickling Waste from Copper Processing
Spent sulfuric acid from copper strip cleaning operations, saturated with copper sulfate crystals. Falls under HTS 3825.50.00.00 as metal-pickling liquor waste per chapter note. Valuable for copper recovery.
Biodegradable Hydraulic Fluid Waste
Spent vegetable oil-based hydraulic fluid from environmentally sensitive equipment, emulsified with water. HTS 3825.50.00.00 covers all hydraulic fluid wastes regardless of base per chapter note 6(d). Biodegradability doesn't change waste classification.
Aircraft Brake Fluid Waste
Used MIL-PRF-83282 synthetic hydraulic fluid from aircraft brake systems, contaminated during maintenance. Classified HTS 3825.50.00.00 as brake fluid waste under chapter note 6(d). Meets stringent aviation specs when new.
Steel Mill Spent Pickling Liquor
Hydrochloric acid waste from continuous steel pickling lines, containing high iron chloride concentrations. Under HTS 3825.50.00.00 as metal-pickling liquor waste, chapter note 6(d). Major source of ferrous chloride for water treatment.