Albemarle MARTINAL ON-904 is a halogen-free aluminum hydroxide flame retardant that combines fire suppression and filler functions. This non-toxic additive works through endothermic decomposition, absorbing heat and releasing water vapor to inhibit flame spread. Its low-viscosity properties enable high loading in polymer systems without compromising processability, making it ideal for demanding applications requiring both fire safety and material performance.
Eco-Safe Formula - Halogen-free and non-toxic
Dual Functionality - Acts as flame retardant and filler
Thermal Protection - Endothermic heat absorption mechanism
Processing Advantage - Low viscosity for high loading capacity
Material Compatibility - Works with various polymer matrices
Electrical Components - Cable insulation and junction boxes
Building Materials - Fire-resistant construction panels
Transportation - Automotive and aerospace composites
Consumer Goods - Appliance housings and components
Industrial Products - Conveyor belts and protective coatings
Chemical Composition | Aluminium Hydroxide |
Appearance | White Powder |
Specific Gravity | 2.40 g/cc |
Bulk Density | 0.650 g/cc (loose); 1.10 g/cc (tamped) |
Brightness | ≥93% @ 457 nm |
Oil Absorption | ≥17% (17 ml/100 gm) |
Moisture Absorption | ≤0.250% @ 105 °C |
Particle Size | ≥45 µm (< 40 percent sieve residue, wet) |
Specific Surface Area | 1.5 m²/g (BET) |
Electrical Resistivity | ≥11000 ohm - cm (10% in H₂O) |
Loss on Ignition | 34.5% @ 1200 °C |
Na₂O Content | ≤0.60% (soluble) |
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