XS-MHB/MHS (+)Synthetic Magnesium Hydroxide
EINECS NO:215-274-9
CAS NO : 1317-43-7
Formula:Mg(OH)2
XS-MHB(+) is a colorless, odorless ,non-toxic white powder. Theoretical chemical content: MgO 69.12%, H2O 30.88%.
Specifications
| Item | Unit | Specification | ||
| XS-MHB-3 | XS-MHB-5 | XS-MHB-8 | ||
| Appearance | -- | White powder | ||
| Mg(OH)2 | % | ≥92 | ≥92 | ≥92 | 
| Loss of ignition | % | 29±1 | 29±1 | 29±1 | 
| Whiteness | -- | ≥90 | ≥90 | ≥88 | 
| Water | % | ≤0.5 | ≤0.5 | ≤0.5 | 
| Acid insoluble matter | % | ≤4.5 | ≤4.5 | ≤4.5 | 
| CaO | % | ≤3 | ≤3 | ≤3 | 
| Fe | % | ≤0.25 | ≤0.25 | ≤0.25 | 
| Particle size | D50(um) | 3±1 | 4±1 | 8±1 | 
| pH value | -- | 9-11 | 9-11 | 9-11 | 
Note: We can tailor make surface modification.
1)Silane coated.
2) Stearic acid coated.
XS-MHS(+)belong to high purity synthetic magnesium hydroxide. It has good properties like excellent purity, good whiteness, small specific surface area and ultra-fine particle size. It can be used as flame retardant in plastics, rubbers, elastomer etc.
Specifications
| Item | Unit | Specification | ||
| XS-MHS-7 | XS-MHS-10 | XS-MHS-25 | ||
| Appearance | -- | White powder | ||
| Content | % | ≥99.5 | ≥99.3 | ≥99 | 
| Fe | % | ≤0.004 | ≤0.006 | ≤0.006 | 
| Ca | % | ≤0.12 | ≤0.08 | ≤0.03 | 
| Al | % | ≤0.005 | ≤0.005 | ≤0.005 | 
| Mn | % | ≤0.005 | ≤0.005 | ≤0.005 | 
| Cl | % | ≤0.05 | ≤0.08 | ≤0.08 | 
| Si | % | ≤0.012 | ≤0.028 | ≤0.032 | 
| Particle size | D50(um) | 1.5 | 2.6 | 3.0 | 
| whiteness | -- | ≥97 | ≥97 | ≥97 | 
| Specific surface area | m²/g | 6.9 | 11.2 | 26.3 | 
| Loss on ignition | % | 31±1 | 31±1 | 31±1 | 
| Water content | % | ≤0.3 | ≤0.3 | ≤0.3 | 
| Note: We can tailor make surface modification. 1.Silane coated. 2) Stearic acid coated. | ||||
Packing and storage
25Kg/Bag , PP woven bag with PE film inner lining or paper-plastic bag.
Store in ventilated, dry place, avoid direct sunlight.
http://www.xusen-flameretardant.com/


