| Magnesium Hydroxide (MH) |
| Chemical Name: | Magnesium Hydroxide |
| Formula : | Mg(OH)2 | |
| CAS Number: | 1309-42-8 |
| MW: | 58.30 |
| General &Use: |
| Flame retardant for plastic and rubber(PE,PP,ABS,HIPS,Nylon,PVC,Elastomer etc.)Compound elements of electric conveyer belt and construction materialsPhenol resin,FRR,Ferlte,Fine ceramics,Petroleum additive or other chemical used. |
| General Properties: |
| Specific gravity:2.36 | Surface area:15-20m2/g | Reflective index:1.56 | Oil adsorption(ml/100g):40 |
| Physical and Chemical Properties |
Item Model | |
Mg(OH)2% ≥
| 97.0 |
| Sulphate(SO42-)% | 0.5 |
Cao% < | 0.1 |
| CL-contents(%) | 0.2 |
Fe(Fe3+)% < | 0.01 |
Attached water % < | 0.5 |
| Loss on ignation % | 30±1.0 |
| Pile Density(g/ml) | 300-400 |
Whiteness % ≥ | 96.0 |
| Mean particle diameter µ m | D50<1.7;D98<12 |
| Thermogravimetric Analysis(10℃/min N2) |
Weight Loss,% 1 5 10 |
| Temperature, ℃310 360 370 |
| Solubility |
| Water-solubility:0.9 mg/100ml (18℃) |