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Charring Agent
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Charring Agent

Charring agents are mineral additives that promote the formation of a stable, intumescent char layer on the surface of a burning polymer — a physical barrier that insulates the underlying material from heat and limits the release of combustible gases.

Unlike purely endothermic flame retardants, charring agents work synergistically with the polymer matrix, typically alongside a phosphorus acid source and a blowing agent, to generate a multi-functional protective layer that prevents heat transfer, limits oxygen ingress, and suppresses smoke.

Our range covers three key mineral types: montmorillonite, sepiolite, and attapulgite. Each offers a distinct crystal structure, aspect ratio, and surface chemistry — enabling formulators to optimise char quality, mechanical reinforcement, and processing for specific polymer systems and fire test requirements.

These products are widely used in intumescent coatings, halogen-free polyolefin cable compounds, and engineering thermoplastics where IEC, UL, or EN fire standards must be met.

Consistent mineralogy and controlled surface treatment are maintained across batches to ensure reproducible char performance.

About Zhuofeng
Industrial Fire-Retardant Solutions

Jiangsu Zhuofeng New Materials Technology Co., Ltd. was established in 2020. It is a supplier specializing in the research, production, and marketing of high-performance and environmentally friendly flame retardants. The company's main products include environmentally friendly flame retardants, flame retardant masterbatches, char-forming agents, composite flame retardants, magnesium oxide, etc. Relying on mature products and process technologies as well as standardized management, the company has established several mature high-purity, ultra-fine, and cost-effective flame retardant production lines, established a flame retardant polymer material application testing laboratory, and has carried out industry-university-research cooperation to develop and optimize flame retardant products. The founding team of Zhuofeng Technology has gathered a group of talents who have long been engaged in the research, production, marketing, and management of various functional materials. They can provide users with prompt technical support for application use. At Zhuofeng Technology, we are dedicated to meeting our customers' needs by delivering stable, high-performance, and environmentally friendly flame-retardant product lines. Company strength data: Industry Experience: 6 years; Plant Scale: 18,000 square meters; Production Capacity:20000 tons.

  • 2020Year

    Establishment

  • 18000

    Plant Area

  • 20000ton

    Production Capacity

Jiangsu Zhuofeng New Materials Technology Co., Ltd. Read More
Jiangsu Zhuofeng New Materials Technology Co., Ltd.
JIANGSU ZHUOFENG NEW MATERIALSTECHNOLOGY CO., LTD.
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