Most industrial buyers need a qualified second source, one that can respond quickly, provide documentation, and fulfill without lead-time surprises. That is the role we fill. US-based supplier, DDP pricing, TSCA-documented.
Flame retardants, polyurethane raw materials, and specialty FR additives, with full TSCA documentation, SDS⁄TDS on request, and DDP delivered pricing.
Halogenated phosphate esters, halogen-free N-P systems, antimony trioxide synergists, and zinc-based ATO alternatives. Liquid and solid grades for foam, coatings, wire, plastics, and thermosets.
Explore FR Portfolio →Complete PU system inputs: polyether polyols, MDI isocyanates, polyetheramines, chain extenders, catalysts, and FR additives. For flexible foam, rigid foam, spray polyurea, coatings, and CASE.
Explore PU Systems →TBBPA and DBDPE (decaBDE replacement) for epoxy laminates, ABS, and HIPS. Halogen-free phosphorus FRs (DOPO, RDP, BDP) for PC/ABS, PA66, and engineering thermoplastics requiring halogen-free certification.
Explore Specialty FRs →China’s antimony export restrictions, mine curtailments, and U.S. trade policy have sent ATO spot pricing to multi-year highs with 2.5–3 month lead times industry-wide.
Flamisol supplies three zinc-based synergists specifically qualified for ATO reduction and replacement in halogenated PVC, polyolefin, and engineering plastic compounds.
China's export controls on antimony, classified as a strategic material in 2024, combined with mine curtailments and U.S. trade policy have pushed ATO spot pricing to multi-year highs with 2.5–3 month lead times across major distributors. IARC Group 2B classification for Sb₂O₃ is simultaneously triggering specification reviews in automotive, wire and cable, and electronics applications, compressing the timeline for compounders who have been deferring alternative qualification.
The practical question for procurement is not whether to evaluate alternatives; it is which zinc-based synergist is the right fit for a given substrate and fire standard. FL-ZS, FL-ZHS, and FL-ZB each have distinct mechanisms, smoke suppression profiles, and substrate compatibilities. The comparison table on the Zinc Synergists page covers all three side by side with ATO.
Inorganic FR synergist and smoke suppressant for PVC, polyolefins, engineering plastics, thermosets, and rubber. Partial ATO replacement in brominated systems.
FL-ZHS Zinc Hydroxystannate: ZnSn(OH)₆Hydrated zinc stannate with superior smoke suppression. Primary product for flexible PVC wire and cable where NBS or IEC smoke density limits apply.
FL-ZB Zinc Borate: 2ZnO·3B₂O₃·3.5H₂OMultifunctional: FR synergy, smoke suppression, afterglow suppression, and char promotion. Works in halogenated and halogen-free systems.
Request TDS, application guidance, or evaluation quantity pricing.
Request Zinc TDS + QuoteChina’s antimony export restrictions have created sustained ATO shortages. Pricing highly volatile with 2.5–3 month lead times. Causes, timeline, and three proven zinc-based alternatives.
Side-by-side comparison of FL-ZS, FL-ZHS, and FL-ZB covering substitution mechanism, smoke suppression, substrate suitability, and loading guidance for compounders evaluating ATO reduction.
TDCPP is listed under California Prop 65; TCPP is not. What the distinction means for product specification and labeling in 2026.
Your incumbent chemistry is one shortage, one regulation, or one tariff away from becoming your problem.
Provide your details and we will send the requested SDS, TDS, or CoA within 24 hours.