TA-1210 Halogen-Free Phosphorus Flame Retardant: High-Efficiency Flame Retardancy with Superior Transparency

Aug 10, 2026 Leave a message

Grace Kim
Grace Kim
An international business developer at U-Sunny Technology, Grace focuses on expanding the company's presence in emerging markets. Her expertise lies in fostering global partnerships.

As safety regulations tighten and environmental awareness grows across the electronics, automotive, and construction industries, the selection of flame retardants has become a critical design consideration. TA-1210 is a novel organophosphorus flame retardant modified with hydroxyl (-OH) and carboxyl (-COOH) functional groups. Combining both reactive and additive functionalities, it delivers durable flame retardant protection while preserving the optical clarity of transparent materials.

Core Advantages of TA-1210

Halogen-Free and Environmentally Compliant. The molecular structure of TA-1210 consists solely of carbon, hydrogen, oxygen, and phosphorus-containing no halogen atoms such as fluorine, chlorine, bromine, or iodine. This halogen-free composition enables compliance with major environmental regulations including RoHS and WEEE, making it suitable for applications with strict requirements for low smoke, low toxicity, and low environmental impact.

Excellent Compatibility and High Transparency. The introduction of polar functional groups-hydroxyl (-OH) and carboxyl (-COOH)-enables TA-1210 to achieve excellent miscibility with a wide range of polymer matrices, including polyesters, epoxy resins, polyurethanes, and acrylates. At recommended addition levels, it does not compromise the inherent transparency or surface gloss of the base material. Whether used in transparent ABS, polycarbonate (PC), or acrylic (PMMA) plastics, TA-1210 imparts flame retardancy while preserving optical clarity and aesthetic quality.

High Thermal Stability and Non-Migration. TA-1210 exhibits high thermal and chemical stability, resisting volatilization, degradation, or migration during processing and long-term service. The reactive functional groups in its molecular structure allow it to participate in cross-linking reactions within specific systems such as polyurethanes and epoxies, becoming chemically bonded into the polymer network. This reactive capability fundamentally eliminates migration issues and significantly enhances flame retardant efficiency and durability.

Low Loading, High Efficiency. The recommended addition level ranges from 5% to 15% by weight to achieve UL94 V-0 flame retardant classification. Compared to conventional flame retardants, TA-1210 requires lower loading to reach the same performance level, minimizing impact on the material's mechanical and optical properties.

Technical Specifications

Parameter Specification
Appearance Flake granular
Melting Point 120°C
Molecular Weight (GPC) 240
Color (Gardner) ≤ 1
Acid Value (mg KOH/g) ≤ 2
Density (g/cm³) 1.05

Key Application Areas

1. Coatings, Adhesives, and Inks

As a post-added additive, TA-1210 integrates readily into various resin systems:

Thermosetting systems: Polyester, epoxy, polyurethane, and acrylate systems for insulating flame retardant coatings on industrial metals and plastic components.

UV-curable systems: Excellent compatibility with UV resins, yielding transparent, smooth coatings after curing.

Typical applications: Construction adhesives and sealants, automotive interior flame retardant treatments, and bonding and sealing of electronic and electrical components.

2. Plastic Molding and Composite Materials

With its low melting point (120°C) and excellent matrix compatibility, TA-1210 is well-suited for injection molding, extrusion, and other forming processes:

Transparent plastics: Transparent ABS, polycarbonate (PC), and acrylic (PMMA).

Composites: PCB laminates and other composite materials requiring flame retardant performance.

During processing, TA-1210 does not exude or bloom, ensuring uniform flame retardancy in finished parts while maintaining excellent appearance and mechanical properties.

Industry Trends and Applicability

The halogen-free flame retardant market is experiencing robust growth. The global Halogen-Free Flame Retardant Chemicals market was estimated at USD 5,308 million in 2025 and is projected to grow at a compound annual growth rate (CAGR) of 6.70%. The electronics and electrical sectors are increasingly adopting halogen-free flame retardants driven by strict regulations banning halogenated flame retardants. Halogen-free laminates now represent over 40% of global PCB material consumption-up from less than 10% a decade ago. Phosphorus-based flame retardants are increasingly the chemistry of choice for electrical and electronics applications in regions with stringent regulatory frameworks.

The flame retardant mechanism of phosphorus-based compounds operates primarily in the condensed phase by enhancing char formation and promoting intumescence. This condensed-phase mechanism contributes to the low smoke and low toxicity profile that distinguishes phosphorus-based systems from halogenated alternatives.

TA-1210's environmental compliance, broad compatibility, transparency retention, thermal stability, and efficient flame retardancy position it as a balanced solution for applications requiring both fire safety and material aesthetics. Whether used as an additive in coatings, adhesives, inks, or for injection molding of transparent plastics and composites, TA-1210 offers a performance-oriented and environmentally responsible flame retardant solution. For applications where maintaining optical quality while enhancing fire safety is essential, TA-1210 represents a compelling option worth evaluating.