Dolomite PowderCAS#:16389-88-1
Powerful Filling & Modifying Capacity: Natural inorganic mineral filler with moderate whiteness, stable particle size and good dispersibility, effective for reducing raw material cost, improving rigidity, heat resistance and dimensional stability of finished products.
Excellent Chemical Inertness & Compatibility Property: Chemically stable under normal temperature, compatible with plastic, rubber, paint and coating systems; easy to disperse and prepare different fineness grades for industrial use.
Stable Powder Form for Convenient Transport: Fine off-white powder with uniform texture, stable under sealed storage, easy to weigh, transport and automatic feeding.
Dolomite Powder is a high-demand basic inorganic mineral raw material, with mild dust irritation and wide coverage of industrial application scenarios.
Chemical & Physical Properties
| Property | Value |
|---|---|
| Melting point | Decomposes at 730–790 ℃ |
| Density | 2.80~2.90 g/cm³ |
| Storage temp | Sealed dry cool warehouse, strictly isolated from strong acid |
| Solubility | Insoluble in water, reacts with acid to release carbon dioxide |
| Form | Fine powder |
| Color | Off-white / light grey, medium whiteness |
| Odor | Odorless |
| PH Value | 8.2~9.5 (aqueous suspension), weak alkaline |
| Hygroscopicity | Non-hygroscopic |
| Stability | Stable in airtight packaging; decomposes and reacts with strong acid |
| EINECS No. | 240-440-2 |
| CAS DataBase Reference | 16389-88-1 |
Safety Information
| Item | Value |
|---|---|
| Hazard Codes | Xi |
| Risk Statements | R36/38 |
| Safety Statements | S22; S26; S37/39 |
| UN Number | Not regulated |
| Hazard Class | Not dangerous goods |
| Packing Group | Not applicable |
| Flammability | Non-flammable |
| HS Code | 25181000 |
Main applications: Plastic filler, rubber filler, coating & paint filler, papermaking filler, adhesive, sealant, building material, ceramic raw material, soil conditioner, glass raw material.






