Paraformaldehyde for Urea Resin Production
Special 95% paraformaldehyde optimized for slow-release formaldehyde in urea-formaldehyde resin synthesis for furniture manufacturing. Precise polymerization degree ensures controlled curing rates in pressed wood products. HTS 2912.60.00.00 classification confirmed by cyclic polymer structure analysis.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 5.1% | +35.0% | 40.1% |
| 🇲🇽Mexico | 5.1% | +10.0% | 15.1% |
| 🇨🇦Canada | 5.1% | +10.0% | 15.1% |
| 🇩🇪Germany | 5.1% | +10.0% | 15.1% |
| 🇯🇵Japan | 5.1% | +10.0% | 15.1% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If pre-polymerized urea-formaldehyde resin syrup
Partially reacted resin systems are plastics of Chapter 39 rather than chemical intermediates.
If formulations for tall oil modification in paper sizing
Paper treatment chemicals classified by end use regardless of aldehyde content.
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Import Tips & Compliance
• Provide reaction kinetics data supporting chemical intermediate status over finished resin
• CARB Phase 2 emission documentation required for pressed wood product end use
• Specify polymerization degree (8-100 units) preventing misclassification as monomeric formaldehyde
Related Products under HTS 2912.60.00.00
Paraformaldehyde 92% Powder
Paraformaldehyde 92% is a high-purity powdered cyclic polymer of formaldehyde used primarily as a disinfectant and fixative in biological and medical laboratories. It falls under HTS 2912.60.00.00 as it is explicitly classified as paraformaldehyde, a polymerized form of formaldehyde with the characteristic aldehyde oxygen function. This product meets Chapter 29 note requirements for separate chemically defined organic compounds.
Paraformaldehyde Prills 96%
Paraformaldehyde prills at 96% concentration are small spherical granules used in resin manufacturing and as a formaldehyde source in industrial polymer production. Classified under HTS 2912.60.00.00 as pure paraformaldehyde, this cyclic polymer of formaldehyde qualifies under Chapter 29 aldehyde provisions. The prill form facilitates handling and dissolution in resin synthesis applications.
USP-Grade Paraformaldehyde for Tissue Fixation
USP-grade paraformaldehyde meets pharmaceutical standards for histological tissue fixation in pathology labs and research institutions. This 95% pure cyclic formaldehyde polymer falls under HTS 2912.60.00.00 per Chapter 29 aldehyde classification, distinguished from formaldehyde solutions by its solid polymerized structure. Biocompatibility certification ensures suitability for biological applications.
Industrial Paraformaldehyde Flakes 91%
Paraformaldehyde flakes at 91% concentration serve as the primary formaldehyde source for phenolic and urea resin production in plywood and particleboard manufacturing. HTS 2912.60.00.00 classification applies to this cyclic aldehyde polymer meeting Chapter 29 purity standards. Large flake form optimizes bulk handling and storage stability for industrial resin facilities.
Paraformaldehyde Methanol Stabilized 94%
This 94% paraformaldehyde powder stabilized with 4-6% methanol prevents premature depolymerization during storage and transport for pharmaceutical intermediate synthesis. HTS 2912.60.00.00 classification applies per Chapter 29 note 1(f) allowing stabilizers necessary for preservation. The methanol addition qualifies as safety/transport stabilizer without changing primary aldehyde function.
High-Purity Paraformaldehyde 99% for Electronics
99% paraformaldehyde powder for cleanroom use in electronics manufacturing provides ultra-low metal impurities for advanced resin systems in semiconductor packaging. Falls under HTS 2912.60.00.00 as chemically defined aldehyde polymer per Chapter 29 requirements. Exceptional purity supports microelectronics adhesive and encapsulation applications.