Ground Calcium Carbonate (GCC) CAS#471-34-1
Powerful Filling & Extending Capacity: Natural inorganic filler with high whiteness, stable particle size and good dispersibility, effective for reducing raw material cost, improving hardness and wear resistance 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 white powder with uniform texture, stable under sealed storage, easy to weigh, transport and automatic feeding.
Ground calcium carbonate, abbreviated as GCC, 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 825 ℃ |
| Density | 2.70~2.95 g/cm³ |
| Storage temp | Sealed dry cool warehouse, strictly isolate acidic materials |
| Solubility | Insoluble in water, reacts with acid to release carbon dioxide |
| Form | Fine powder |
| Color | Pure white, high whiteness |
| Odor | Odorless |
| PH Value | 8.0~10.0 (aqueous suspension), weakly alkaline |
| Hygroscopicity | Non-hygroscopic |
| Stability | Stable in airtight packaging; decomposes at high temperature, incompatible with acid |
| EINECS No. | 207-439-9 |
| CAS DataBase Reference | 471-34-1 |
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 | 28365000 |
Main applications: Plastic filler, rubber filler, coating & paint filler, papermaking filler, adhesive, sealant, artificial stone, building material, food & pharmaceutical additive, daily chemical filler.
