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Specialized in PE, PVC, TPE, TPU and Low Smoke Zero Halogen (LSZH) wire and cable compound and materials.
In high-rise buildings, subway tunnels, new energy power stations and industrial complex scenarios, the fire safety of wires and cables is directly related to life and property and system reliability.
YINSU Flame Retardant Company provides customized flame retardant solutions for global customers, covering PE (polyethylene), PVC (polyvinyl chloride), TPE (thermoplastic elastomer), TPU (thermoplastic polyurethane) and LSZH (low smoke and halogen free) wire and cable systems to meet all safety requirements, ranging from UL94 V-0 flame retardant certification to EN 45545 fire protection for rail transportation and IEC 60754 low smoke and halogen free toxicity. All-round safety requirements.
Material Common Use Typical FR Type YINSU Flame Retardant Item No.
PE HDPE, LDPE, LLDPE, Red phosphorus, halogen free FR, PRP-950X, PE-XT-20, B-HFFR, MCA-B, WADP-10
Cross-linked PE cables, Bromine antimony masterbatch FR-ML-01, K100
Plastic insulated cables.
PVC PVC &Plastic insulated power cables, ATO alternatives T3, T30, FRP-950X, K100, ZHS, ZS, ZSB-A
Aluminum stranded wires, Zinc stannate
Prefabricated branch cables.
TPE Insulated wires, flexible cables Organic phosphorus MCA-B, WADP-10, FRP-950X, 95-MC
Shielded insulated cables
TPU Special purpose cables Organic phosphorus MCA-B, WADP-10, FRP-950X, 95-MC
Power cables for frequency converters.
Others Welcome to consult more details.
From September 15 to 17, 2026, at the Shanghai New International Expo Center, The 29th Adhesives and Sealants Expo (ASE CHINA 2026) is set to kick off. Also taking place at the same venue and during the same period are the 24th China International Rubber Technology Exhibition and the 23rd China International Chemical Industry Exhibition. Together, these three exhibitions will form “China Petrochemical Industry Week,” which is expected to attract more than 100,000 professional visitors from both China and abroad.
In August, the average monthly price of yellow phosphorus rose 4% month-over-month and 22% year-over-year, keeping costs for phosphorus-based flame retardants under sustained pressure. However, due to weak downstream demand, industry-wide oversupply, and difficulties in passing on cost increases, price hikes for flame retardants were limited, squeezing profit margins. In September, stockpiling ahead of the two major holidays may drive yellow phosphorus prices higher still, and cost support remains strong. Until end-user demand shows a noticeable recovery, the phosphorus-based flame retardant market is expected to maintain a pattern of “high costs, weak demand, and tight profit margins,” with profit recovery still contingent on a revival in consumption.
Bromine fell by 1,750 yuan per metric ton during the week to 37,750 yuan per metric ton, a decline of 4.6 percent. Downstream buyers were strongly pushing for lower prices, causing transaction prices to trend downward. While cost support for bromine-based flame retardants has weakened, the impact has been slow to materialize. Combined with the traditional off-season for demand, the flame retardant market is under short-term pressure and is trading on a weak note.
Sulfur prices have surged 187% year-over-year, with solid sulfur in East China rising from 2,394 yuan per metric ton in 2025 to 6,871 yuan per metric ton in 2026. This week, the mainstream granular sulfur price at Chinese ports stood at 8,750 yuan per metric ton, down 300 yuan per metric ton from last week—a 3.31% decline. Nationwide port inventories stand at 878,400 metric tons. Although this represents a 5.25% increase from the previous week, it remains more than 63% lower year-over-year and is at a near-decade low. The global supply shortfall is approximately 5.13 million metric tons, with imports far below normal levels. Prices for phosphorus-based flame retardants, such as red phosphorus and ammonium polyphosphate, are prone to rise but not fall due to cost pass-through from sulfur. Coupled with successive price increases for bromine and antimony, the overall cost pressure on the flame retardant industry continues to climb.
Flame-retardant PVC intended for export must comply with various regulations, including the EU’s REACH (SVHC screening + CPR fire safety requirements), California Proposition 65 (limit of 25 ppm per substance), and Southeast Asian chemical registration requirements. Since copper wires come into contact with cables, whereas pipes do not, the paths to compliance differ significantly. YinSu Flame Retardant offers export compliance solutions tailored to specific product types and markets, thereby reducing the risk associated with formulation adjustments.
PVC cable compounds still account for 38.7% of the global market (approximately $7.07 billion), while LSZH materials are 30–50% more expensive and require equipment upgrades. GB/T 19666 specifies that low-smoke, halogen-free cables must have a smoke density and light transmittance of ≥60%, a pH of ≥4.3, and a conductivity of ≤10 µs/mm. For requirements related to smoke density and corrosivity, upgrading to flame-retardant PVC (replacing antimony trioxide with red phosphorus, resulting in a cost increase of only 8–12%) is a more rational choice.
