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

Albemarle Martinal ON-4608 Aluminum Hydroxide Flame Retardant

Albemarle Martinal ON-4608 is a high-purity aluminum hydroxide flame retardant designed for polymer applications requiring UL94 V-0 compliance. It offers superior thermal stability, low smoke generation, and excellent dispersion in polyolefins and engineering plastics. The ON-4608 grade features optimized particle size distribution and surface treatment for enhanced compatibility and mechanical property retention.
  • albemarle martinal on 4608 aluminum hydroxide flame retardant_c6d35181
  • albemarle martinal on 4608 aluminum hydroxide flame retardant_c6d35181

Features Of Albemarle Martinal ON-4608 Aluminum Hydroxide Flame Retardant

  1. High-purity, surface-treated aluminum hydroxide offering excellent flame retardancy and smoke suppression.

  2. Optimized particle size distribution for enhanced dispersion in polymer matrices and improved mechanical properties.

  3. Low abrasivity minimizes wear on processing equipment during compounding and extrusion.

  4. Thermally stable up to ~200 °C, enabling compatibility with common thermoplastics including polyolefins and engineering resins.

  5. Halogen-free formulation supports compliance with RoHS, REACH, and other global environmental regulations.

Typical Applications Of Albemarle Martinal ON-4608 Aluminum Hydroxide Flame Retardant

  1. Flame-retarded polypropylene (PP) for automotive interior components.

  2. Low-smoke cables and wire & cable insulation materials.

  3. Fire-safe building and construction materials, including PVC-based flooring and wall coverings.

  4. Electrical enclosures and housings requiring UL 94 V-0 or V-1 rated performance.

  5. Thermoplastic elastomers (TPEs) used in consumer electronics and appliance housings.

Specifications Of Albemarle Martinal ON-4608 Aluminum Hydroxide Flame Retardant

Chemical TypeAluminum hydroxide, Al(OH)₃
Product FormFree-flowing white powder
AppearanceWhite, odorless, non-toxic powder
Primary ApplicationsHalogen-free flame retardant for polymers
Key FeaturesSurface-modified for improved polymer compatibility
BenefitsReduces heat release rate and smoke density during combustion
Decomposition Onset Temperature≈180–200 °C (endothermic dehydration)
LOI (Limiting Oxygen Index)Enhances LOI of host polymers by 5–15 points depending on loading level


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