Product Introduction:
It features high purity, excellent whiteness and controllable particle size.
High-purity ultrafine magnesium hydroxide is processed by physical classification into ultrafine powders with average particle sizes of 1.5μm, 3μm, 5μm and other specifications.
As the preferred raw material for manufacturing all kinds of eco-friendly inorganic magnesium hydroxide flame retardants, it integrates three core functions: flame retardancy, smoke suppression and filling.
When heated and decomposed, it releases crystal water and absorbs massive latent heat, lowering the surface temperature of filled synthetic materials under flame. It can inhibit polymer thermal decomposition and cool flammable gases generated during combustion.
Widely applicable for flame retardancy of engineering plastics, epoxy resin, rubber, wire & cable filling compounds, mining cable sheaths and cable accessories, it serves as an ideal alternative to aluminum hydroxide with outstanding flame retardant performance.
|
Index |
UI-3 |
UI-3MZ |
UI-3BH6 |
UI-D5H6 |
UI-3A9 |
UI-3A51 |
|
Mg(OH)₂ Content before Coating Modification (%) |
≥98 |
≥98 |
≥98 |
≥98 |
≥98 |
≥98 |
|
Chloride Ion Content (%) |
≤0.5 |
≤0.5 |
≤0.5 |
≤0.5 |
≤0.5 |
≤0.5 |
|
Whiteness |
≥97 |
≥97 |
≥97 |
≥97 |
≥97 |
≥96 |
|
Particle Size D50 (μm) |
1–2 |
1–2 |
1–2 |
1–2 |
1–2 |
1–2 |
|
Specific Surface Area (m²/g) |
15–18 |
15–18 |
15–18 |
15–18 |
15–18 |
15–18 |
|
Surface Modification |
Unmodified |
Lipid-modified |
Silane-modified |
Silane-modified |
Silane-modified |
Lipid-modified |
|
Key Characteristics |
— |
High Elongation at Break |
Balanced Comprehensive Properties |
High Tensile Strength |
High Limiting Oxygen Index (LOI) |
Excellent Elongation & Tensile Performance |
1. D50: Median particle size, standard parameter for powder particle size testing
2. Limiting Oxygen Index (LOI): Core index to evaluate flame retardant performance of polymers
3. Elongation at Break / Tensile Strength: Critical mechanical indicators for cable sheath materials
4. Silane/lipid modification: Two mainstream surface coating processes to improve compatibility between inorganic powder and polymer matrix
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