Magnesium hydroxide MDH, with the chemical formula Mg (OH) ₂, is a white amorphous powder. It has the advantages of high decomposition temperature, good thermal stability, non-toxic, smoke-free, and does not produce corrosive gases, making it an environmentally friendly flame retardant. At the same time, it also has good smoke suppression performance, which can effectively reduce the production of smoke during fires and minimize the harm to human health and the environment.
Magnesium Hydroxide MDH can be used in Electronic and electrical components, conveyer belt and construction materials,Magnesium Hydroxide MDH have three type MDH III-3,MDH III-10
MDH-I and modified MDH type by stearic acid and silane
Physical and Chemical Properties
| Items | Unit | MDH III-3 | MDH III-10 |
| Mg(OH)2 | % | ≥88 | ≥88 |
| CaO | % | ≤3.0 | ≤3.0 |
| Fe | % | ≤0.3 | ≤0.3 |
| PH | % | 9-11 | 9-11 |
| Loss on ignition | % | ≥26 | ≥28 |
| PH | % | 9-11 | 9-11 |
| Whiteness | % | ≥89 | ≥86 |
| Average particle size D50 | µm | ≤3 | ≤10 |
| Sieve analysis | % | ≤0.1 (325mesh) | 0 (200mesh) |
product details
1. Chemical properties: Magnesium hydroxide MDH undergoes decomposition reaction when heated, absorbing a large amount of heat, thereby reducing the temperature of the surrounding environment and playing a flame retardant role. Its decomposition products are magnesium oxide and water, both of which are non-toxic and harmless, and will not cause pollution to the environment.
2. Physical properties: It appears as a white amorphous powder with uniform particle size, good dispersibility, and high whiteness. Its low packing density is conducive to uniform dispersion in the material and improves its processing performance.
3. Quality indicators: high purity, Mg (OH) ₂ content ≥ 99%; Low impurity content, such as CaO content ≤ 0.05%, Cl ⁻ content ≤ 0.3%, etc; Particle size is controllable, and products with different particle sizes can be provided according to customer needs. The average particle size is ≤ 3um, and the proportion of particles smaller than 10um is ≥ 99%.
Application : Recommended to be used in wires and cables, copper clad plates(CCL), composite insulators, heat insulation material, etc.
Packaging : Net weight 25kg/bag, Compound paper-plastic bag
Storage and Attention : Keep in dry, room temperature and moisture proof condition, preventing the heating
| Items | Unit | MDH-I |
| Mg(OH)2 | % | ≥98.0 |
| CaO | % | ≤0.2 |
| Moisture | % | ≤1.0 |
| Loss on ignition | % | ≥30 |
| Cl | % | ≤0.2 |
| Fe | % | ≤0.05 |
| PH | — | 10±1.0 |
| Acid Non-dissolve | % | ≤0.08 |
| Whiteness | % | ≥95 |
| Particle size ,D50 | µm | ≤2 |
Application
● Flame retardant for plastics and rubber (PE, PP, ABS, HIPS, Nylon, PVC, etc)
● Electronic and electrical components, conveyer belt and construction materials
● Fillers
● Phenol resin, fiber reinforced rubber, fine ceramics
● Petroleum additive or other chemical
If you are looking for a high-performance and environmentally friendly flame retardant, then magnesium hydroxide MDH is definitely your best choice. We offer high-quality magnesium hydroxide MDH products and can provide products in different specifications and packaging according to your needs. Welcome customers to inquire and place orders by phone.
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