I.Properties:
Magnesiumoxideisawhite,light,loose,amorphouspowder.Itisodorlessandnon-toxic.Iteasilyabsorbswaterandcarbon
dioxidewhenexposedtoair.Itisinsolubleinwaterandalcohol.Itsspecificgravityis3.58anditsmeltingpointis2852℃.It
isslightlysolubleinpurewaterandorganicsolvents,butsolubleinacidorsaltsolutions.Itsmolecularweightis40.31.
QWH-180Xhigh-activitymagnesiumoxidefeatures:highactivity(iodineabsorptionvalue≥150)
2.Specification
| Item | Unit | QWH-180X | 8162-11A | 8161 | QM-420 |
| MgO | ≥% | 88 | 88 | 90 | 96 |
| CaO | ≤% | 1.5 | 1 | 1 | 0.05 |
| Acid Insoluble | ≤% | 0.5 | 1 | 1.5 | 0.05 |
| LOI | ≤% | 10 | 8 | 6 | 4 |
| Fe | ≤% | 0.02 | 0.02 | 0.2 | 0.2 |
| B.D. | ≤g/ml | 0.35 | 0.35 | 0.35 | 0.35 |
| lodine absorption value | ≥mg/g | 150 | 100 | 80 | 50 |
| Citric acid value | ≤S | 10 | 15 | 20 | 25 |
3. Applications:
Used as acid absorbent for chlorinated polyethylene compound; used as promoter and activator for silicone rubber, chloroprene rubber and fluororubber; vulcanization stabilizer for butyl rubber; coagulant for SMC/BMC. Widely used in
industrial production of adhesives, oil-resistant hoses, conveyor belts, medical plugs, wire and cable sheaths, and fiberglass.
4. Package and Transportation ·Pay attention to moisture-proof during storage and transportation of products. ·The product is lined with plastic bags and covered with plastic woven film bags, double-layer packaging, 20 kg/bag.
