PP Flame Retardant Masterbatch

The PP flame retardant masterbatch produced by Taixing adopts high loading active ingredient coating+PP homologous carrier granulation technology, which increases the content of flame retardant core components to 60% -80%. Through molecular compatibility design, it achieves a processing experience of "direct feeding, uniform dispersion, and stable performance". Our products cover two major series: halogen based high-efficiency and halogen-free environmentally friendly, providing low-cost and high-efficiency flame retardant solutions for PP products such as automotive parts, electronic casings, and building pipes.

Core strengths

1. High concentration of active ingredients, significantly reducing costs and increasing efficiency

-Active ingredient content of 60% -80%: far exceeding the industry's conventional loading limit of 50%, significantly reducing the proportion of masterbatch added - only 15% -25% addition is needed to make 1.6mm PP products stably meet UL 94 V-0 flame retardant standards, with a limit oxygen index (LOI) of ≥ 32%.

-Accurate measurement with low loss: The granular form completely avoids powder flying and equipment residue problems, reducing the feeding loss rate to below 0.5%. The measurement accuracy of the automated production line is improved to ± 0.2%, effectively reducing raw material waste and workshop cleaning costs.

-Processing efficiency increased by 30%: No additional pre mixing process is required, it can be directly blended with PP resin for extrusion/injection molding. The screw conveyor is smooth without bridging, and the equipment cleaning cycle is extended by 2 times, greatly shortening the production cycle and adapting to large-scale production needs.

2. PP homologous carrier design, extremely compatible with the substrate

-Customized special carrier resin: using polyolefin carrier with the same molecular structure as PP, combined with PP-g-MAH graft compatibilizer, the interface bonding strength is increased by 70%, completely solving the problem of white spots and rough spots caused by uneven dispersion of traditional masterbatch, and the surface smoothness can reach mirror level.

-Precise control of particle size: The mother particle size is evenly distributed between 2-3mm, perfectly matching the shape of PP resin particles. It melts synchronously during melt blending, and the flame retardant components are uniformly dispersed at the nanoscale in the matrix without aggregation or precipitation, ensuring the consistency between the mechanical properties and flame retardant properties of the product.

-Full category PP adaptation: Three sub models are launched: homopolymer PP special type, high impact PP special type, and heat-resistant PP special type, which match the processing temperature and performance requirements of different types of PP substrates, and can be directly applied without adjusting production line parameters.

3. Full lifecycle compliance

-The halogenated version is completely free of polybrominated diphenyl ethers (PBDE), and there is no release of dioxins during the thermal decomposition process. It has been certified by the EU RoHS 2.0 and REACH 2025 SVHC lists; The halogen-free type has a halogen (Cl+Br) content of ≤ 500ppm.

-Excellent weather resistance, after 1000 hours of xenon lamp aging test, the retention rate of flame retardancy and mechanical properties is ≥ 90%. It is suitable for long-term exposure scenarios such as outdoor building materials and automotive exteriors, avoiding performance degradation caused by aging.

-Abandoned PP products can be recycled through mechanical means, with no risk of migration of flame retardant components, helping customers obtain carbon footprint labels and green supply chain certifications for their products, and breaking through international green trade barriers.

Application scenarios

PP components in the automotive industry

-Application: bumper frame, dashboard, battery casing, high-voltage wire harness sheath

-Recommended formula: high impact PP 78%+halogen based high concentration masterbatch 22%

-Advantages: Low additive content ensures lightweight design, with a gap impact strength retention rate of ≥ 92%. Passed the FMVSS 302 automotive interior flame retardant standard, VOC emissions meet the standard, and is suitable for the weight reduction needs of new energy vehicles

Electronic and electrical PP shell

-Application: 5G base station casing, router casing, power adapter, junction box

-Recommended formula: homopolymer PP 80%+halogenated high concentration masterbatch 20%

-Advantages: The surface of the product is smooth and traceless, the flame retardant performance is stable up to UL 94 V-0 level, the temperature resistance is suitable for long-term operation of electronic devices, and it can withstand temperature changes of -30 ℃ -80 ℃

Building materials PP pipes/sheets

-Application: PP-R water supply pipe, flame retardant ventilation duct, building formwork

-Recommended formula: 75% homopolymer PP+25% halogen-free high concentration masterbatch

-Advantages: Zero halogen environmental protection meets the B1 level requirements of the EU CPR building regulations, acid and alkali corrosion resistance, water absorption rate ≤ 0.6%, long-term use without cracking or deformation