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Hydromagnesite

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Hydromagnesite

Hydromagnesite is a naturally occurring basic magnesium carbonate mineral that functions as an efficient halogen-free flame retardant and smoke suppressant, particularly effective in synergistic combination with magnesium hydroxide or aluminium hydroxide.

The material undergoes a two-stage decomposition between 220–400 °C, first releasing water then carbon dioxide. This extended endothermic range provides prolonged cooling and enables lower total filler loadings compared with single-component inorganic systems.

The CO₂ released during decomposition acts as an additional inert gas diluent at the flame front, further reducing combustible gas concentration. The combined water and CO₂ release makes hydromagnesite particularly effective in smoke-suppression-critical applications.

Well suited for EVA, EPDM, and polyolefin compounds, hydromagnesite is frequently co-formulated with magnesium hydroxide to achieve synergistic improvements in both fire performance and mechanical properties.

Available in refined and surface-treated forms, supporting demanding halogen-free cable and construction compound applications.

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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