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Surface-treated with proprietary silane coupling agent for enhanced polymer compatibility and dispersion.
Optimized particle size distribution for improved loading efficiency and mechanical property retention in composites.
Low abrasivity minimizes wear on processing equipment during extrusion and compounding.
Halogen-free and low-smoke formulation supports compliance with stringent fire safety and environmental regulations (e.g., RoHS, REACH).
Thermally stable up to ~200 °C, enabling safe use in high-shear, high-temperature polymer processing.
Flame-retarded polyolefin cables and wire & cable jacketing compounds.
Fire-safe thermoplastic elastomers (TPEs) for automotive interior components.
Low-smoke halogen-free (LSHF) sheathing materials for building wiring and data cables.
Flame-inhibited polypropylene (PP) and polyethylene (PE) for construction profiles and ducting.
Electrical enclosures and housings requiring UL 94 V-0 or V-1 rated performance.
| Chemical Type | Aluminum hydroxide, surface-modified |
| Product Form | Free-flowing white powder |
| Appearance | White, odorless, non-toxic solid |
| Primary Applications | Halogen-free flame retardant for polymers |
| Key Features | Silane-treated, low abrasion, high purity |
| Decomposition Onset Temperature | ~180–200 °C (TGA, 10 °C/min, air) |
| Loss on Ignition (LOI), 1000 °C | 34.5–35.5 wt% |
| pH (10% aqueous slurry) | 7.0–8.5 |
Q1: What distinguishes Martinal OL-104 WE from other aluminum hydroxide flame retardants?
A: Martinal OL-104 WE is a surface-treated, ultrafine aluminum hydroxide grade specifically engineered for water-based systems. Its proprietary wet-process surface treatment enhances dispersion stability and compatibility in aqueous polymer dispersions, latexes, and waterborne coatings—reducing sedimentation and improving rheological performance compared to standard untreated or silane-treated grades.
Q2: Is Martinal OL-104 WE suitable for use in intumescent fire-retardant coatings?
A: Yes, it is commonly incorporated into intumescent coating formulations where aluminum hydroxide contributes both flame inhibition and char reinforcement. Its fine particle size and hydrophilic surface promote uniform distribution within the binder matrix, supporting consistent expansion behavior and improved thermal barrier formation during fire exposure.
Q3: How should Martinal OL-104 WE be dispersed in water-based systems?
A: For optimal results, gradual addition under moderate shear—such as with high-speed dispersers or inline mixers—is recommended. Pre-wetting with a portion of the formulation’s water or co-solvent helps prevent agglomeration. Avoid excessive shear or prolonged high-energy milling, which may compromise the integrity of the surface treatment layer.
Q4: Does Martinal OL-104 WE impact the long-term storage stability of waterborne formulations?
A: When properly dispersed and formulated with compatible rheology modifiers and stabilizers, Martinal OL-104 WE generally supports good shelf-life stability. Its surface treatment reduces interfacial tension and minimizes particle aggregation over time, though final stability must be verified under actual storage conditions—including temperature cycling and extended aging.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
