About HS Code 391120
This highly specific HS code covers poly(1,3-phenylene methylphosphonate) in primary forms. This particular polymer is a niche but important flame retardant, often used in engineering plastics and composites to meet stringent fire safety standards. Unlike general petroleum resins, its primary function is not tackification but rather to impart flame resistance and thermal stability. Importers are typically specialized manufacturers in the electronics, automotive, and construction industries, where fire safety and high-performance materials are paramount. Exporters are chemical companies producing advanced flame retardant additives. The international trade volume might be smaller compared to more general resins, but its strategic importance in high-performance, safety-critical applications makes it a valuable commodity in global supply chains, particularly for high-tech manufacturing.
Products Under This Code
Poly(1,3-phenylene methylphosphonate) powder, Poly(1,3-phenylene methylphosphonate) granules, Flame retardant masterbatches (containing this polymer), Phosphonate polymer additives, Engineering plastic flame retardants
Real World Examples
Clariant Exolit OP series (similar chemistry), Adeka FR series (similar chemistry), Lanxess Disflamoll (similar chemistry)
Common Misclassification
This is a very specific chemical, so misclassification is less likely with broad categories but could be confused with other flame retardants (e.g., brominated or halogen-free types in Chapter 29 or 38) if not precisely identified as this specific polymer.
Industry
This code belongs to the Plastics & Rubber industry.
Trade Overview
Germany, China, and the USA are significant producers and exporters of advanced flame retardants, with demand from high-tech manufacturing globally.
Frequently Asked Questions
What is HS code 391120?
HS code 391120 covers: Petroleum resins, poly(1,3-phenylene methylphosphonate), in primary forms. This highly specific HS code covers poly(1,3-phenylene methylphosphonate) in primary forms. This particular polymer is a niche but important flame retardant, often used in engineering plastics and composites to meet stringent fire safety standards. Unlike general petroleum resins, its primary function is not tackification but rather to impart flame resistance and thermal stability. Importers are typically specialized manufacturers in the electronics, automotive, and construction industries, where fire safety and high-performance materials are paramount. Exporters are chemical companies producing advanced flame retardant additives. The international trade volume might be smaller compared to more general resins, but its strategic importance in high-performance, safety-critical applications makes it a valuable commodity in global supply chains, particularly for high-tech manufacturing.
What products fall under HS code 391120?
Poly(1,3-phenylene methylphosphonate) powder, Poly(1,3-phenylene methylphosphonate) granules, Flame retardant masterbatches (containing this polymer), Phosphonate polymer additives, Engineering plastic flame retardants
What are common misclassifications for HS code 391120?
This is a very specific chemical, so misclassification is less likely with broad categories but could be confused with other flame retardants (e.g., brominated or halogen-free types in Chapter 29 or 38) if not precisely identified as this specific polymer.
How is HS code 391120 structured?
HS code 391120 is a 6-digit subheading under the Harmonized System. The first 2 digits (39) identify the chapter, digits 3-4 (11) identify the heading, and digits 5-6 (20) specify the subheading. This code is standardized globally by the World Customs Organization.