Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Albemarle MAGNIFIN H-5IV Magnesium Hydroxide Flame Retardant

Albemarle MAGNIFIN H-5IV is a high-purity, surface-treated magnesium hydroxide flame retardant designed for polymer compounding. It offers excellent thermal stability, low smoke emission, and superior dispersion in engineering plastics and elastomers. Its optimized particle size distribution enhances loading efficiency and mechanical property retention while meeting stringent fire safety standards like UL94 and LOI.
  • albemarle magnifin h 5iv magnesium hydroxide flame retardant_f43ce0a7
  • albemarle magnifin h 5iv magnesium hydroxide flame retardant_f43ce0a7

Features Of Albemarle MAGNIFIN H-5IV Magnesium Hydroxide Flame Retardant

  1. High-purity magnesium hydroxide with low chloride and heavy metal content for enhanced polymer compatibility.

  2. Optimized particle size distribution for improved dispersion in thermoplastics and elastomers.

  3. Endothermic decomposition at ~340 °C, providing effective flame inhibition and smoke suppression without halogen emissions.

  4. Non-toxic, environmentally sustainable alternative to brominated and antimony-based flame retardants.

  5. Excellent thermal stability and pH buffering capacity, supporting processing stability during extrusion and molding.

Typical Applications Of Albemarle MAGNIFIN H-5IV Magnesium Hydroxide Flame Retardant

  1. Low-smoke, halogen-free cables and wires (e.g., LSZH sheathing compounds).

  2. Flame-retarded polypropylene (PP) and polyethylene (PE) for automotive interior components.

  3. Thermoplastic elastomers (TPEs) used in building and construction sealants and profiles.

  4. Engineered plastics in electrical enclosures and junction boxes requiring UL 94 V-0 compliance.

  5. Rubber compounds for conveyor belts and mining hoses where fire safety and low toxicity are critical.

Specifications Of Albemarle MAGNIFIN H-5IV Magnesium Hydroxide Flame Retardant

Chemical TypeMagnesium hydroxide, Mg(OH)₂
Product FormFree-flowing white powder
AppearanceWhite, odorless, fine particulate solid
Primary ApplicationsHalogen-free flame retardant for polymers and elastomers
Key FeaturesLow volatility, high decomposition temperature, non-corrosive
BenefitsReduces heat release rate (HRR), suppresses smoke, improves char formation
pH (10% aqueous slurry)10.0–10.5
Moisture Content (wt%, max)0.5%


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