Maleic Acid for Unsaturated Polyester Resins from Japan
High-reactivity maleic acid specifically produced for unsaturated polyester resin (UPR) manufacture has optimized color (APHA <20) and acid number (390-410 mg KOH/g). It is an essential raw material for resin production and is classified as a separate chemically defined organic compound under tariff item 2917.19.00.
Duty Rate — Japan → Canada
0%
Import Tips
• Provide specifications for color (APHA) and acid number on the certificate of analysis to support the product's intended use
• Ensure the product is labeled as maleic acid (CAS 110-16-7) on shipping documents
• If used in resin production, verify any environmental regulations for industrial chemicals