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B1 Flame-retardant Granules

B1 flame-retardant granules are a kind of plastic granule raw material modified by special flame retardant. The product is made of advanced flame retardant formula and processing technology. It can be directly used for extrusion, injection molding and other processing methods to produce various fire-resistant plastic products. It is widely used in construction, electronics, transportation and other fields. No toxic gas is released during combustion, suitable for injection molding, extrusion and other molding processes, and has anti-melting droplet performance.

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  • B1 Flame-retardant Granules
  • B1 Flame-retardant Granules
  • B1 Flame-retardant Granules
  • B1 Flame-retardant Granules
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1. High flame retardancy (B1 grade standard)
Comply with GB 8624-2012: reach B1 grade (flammable material), delay the spread of flames when encountering fire, extinguish the flames when away from the fire, and reduce the risk of fire.

Flame retardant technology: by adding halogen-free flame retardants (such as aluminum hydroxide and magnesium hydroxide), high-efficiency flame retardancy and low smoke and low toxicity are achieved.

2. Thermal stability and high temperature resistance
High decomposition temperature: flame retardant particles are not easy to decompose at high temperatures, and the core layer structure stability is maintained (usually temperature resistance is above 150°C).

Inhibit molten droplets: the modified plastic particles are not easy to produce molten droplets when burning, avoiding secondary ignition.

3. Environmental protection and safety
Low smoke and low toxicity: halogen-free flame retardant system (such as Al(OH)₃/Mg(OH)₂) is preferred, and the amount of smoke and toxic gases (such as CO, HCN) released during combustion is small.

4. Processing adaptability
Strong compatibility: Suitable for substrates such as polyethylene (PE) or polypropylene (PP), and can be compounded with aluminum layers through processes such as extrusion and calendering.

Good fluidity: Uniform particle size and moderate melt index (MI) ensure leveling and molding efficiency during production.

5. Optimization of physical properties
Mechanical strength: Flame retardant is evenly dispersed to avoid excessive reduction of impact resistance and flexibility of the core layer.

6. Application scenarios
Aluminum-plastic board core material: used to manufacture fire-proof curtain walls, interior partitions, transportation hub decorative panels and other B1-level flame retardant demand scenarios.

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Zhangjiagang Hongyang Machinery Equipment Co., Ltd. is a national high-tech enterprise specializing in the R&D and manufacturing of intelligent equipment for metal composite materials, providing systematic solutions for the global construction materials industry. As a drafting unit of the 《Non-Combustible Metal Composite Panels for Architectural Decoration》 and a standing council member of the Metal Branch of China Building Materials Federation, the company’s core products encompass three major technological systems: Fire-resistant aluminum composite panel production lines, aluminum honeycomb core machine and aluminum honeycomb core metal composite panel production lines, and multifunctional customized metal composite panel production lines. These cover 12 categories of high-end production lines, including A2/B1-grade fire-resistant materials, 3D aluminum-core metal composite panels, and aluminum honeycomb series products.
Supported by the Suzhou Engineering Technology Research Center and Jiangsu Provincial Graduate Workstation, the company has established three technological platforms: precision transmission control, intelligent process systems, and modular design. Its equipment has been exported to 45 countries and regions, including Europe, the U.S., the Middle East, and Asia-Pacific, serving 14 of the world’s top 20 metal composite material manufacturers. Certified with ISO 9001 Quality Management System and CE Certification, the company offers a 48-hour global emergency response and reduces equipment commissioning cycles by 30% compared to industry standards. It holds 70 core patents.
Upholding the philosophy of “Quality as the Foundation, Pursuit of Excellence,” the company continuously drives technological innovation and industrial upgrading in the metal composite materials sector, striving to become a globally integrated service provider for metal composite equipment. 

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