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, YS-F22B, MCA-B
Cross-linked PE cables, Bromine antimony masterbatch MDH, ATH
Plastic insulated cables.
PVC PVC &Plastic insulated power cables, T3 / ATO alternatives T3, T30
Aluminum stranded wires,
Prefabricated branch cables.
TPE Insulated wires, flexible cables Organic phosphorus YS-F22B, YS-9003
Shielded insulated cables
TPU Special purpose cables Organic phosphorus YS-F22B, YS-9003
Power cables for frequency converters.
Others Welcome to consult more details.
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.
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.
After falling nearly 20% from its monthly average, the price of yellow phosphorus rebounded to 27,000 yuan per metric ton; costs for phosphorus-based flame retardants, which had just seen some relief, are now facing upward pressure again. Environmental inspections in Guizhou may lead to tighter supply, and the window for downstream procurement is narrowing.
Flame-retardant TPE is rapidly replacing traditional PVC and rubber, becoming the preferred soft flame-retardant material for new energy cables, electronics & electrical appliances, and automotive parts industries. This article provides a detailed analysis of the core advantages of halogen-free flame-retardant TPE (customizable V-0 grade flame retardancy, eco-friendly and odorless, elastic hand-feel, easy processing and weather resistance), covering mainstream application scenarios such as cable jackets, EV charging station accessories, automotive interior seals, and flame-retardant components for home appliances—helping engineers and procurement professionals quickly grasp key selection criteria and industry trends.
Why does TPE flame retardancy always get stuck at V-2? Three main culprits: plasticizers are inherently flammable, the multiphase system lacks synergy, and flame retardants tend to migrate and bloom. A comprehensive analysis of TPE/TPU flame retardant selection challenges and processing pitfalls to avoid.