| Product | Calcium Stearate |
| Molecular formula | Ca(C17H35COO)2 |
| Molecular weight | 606 |
| CAS No | 1592-23-0 |
| EC No | 216-472-8 |
| Appearance | White Powder |
| Metal Content(Ca,%) | 6.7~7.5 |
|
Free Fatty Acid(%) |
≤1.0 |
| Volatile Content 105℃(%) | ≤3.0 |
| Melting Point(℃) | 149~160 |
| Bulk Density(g/L) | 220~300 |
| Sieving Rate | 200mesh,99% |
| Packing |
20KG/Bag |
Characteristics
1) Good dispersing properties;
2) Good mold-releasing properties;
3) Good thermal stability.
Applications
1. Halogen Absorber Agent for Petrochemicals
Calcium stearate is also very important for chlorination processes of polyethylene and polypropylene in the petrochemical sector. By absorbing halogens, it guarantees effective polymerization and enhances the product's characteristics.
2. Lubricant and Mold Releasing Agent for Resin Compounds
With calcium stearate, the production efficiency is greatly improving as it acts as a lubricant and mold release agent in unsaturated polyester resin molding compounds.
3. Stabilizer for PVC Products
Calcium stearate in combination with other neutral salts has in addition stabilizing properties in PVC plasticizers since it inhibits degradation of products during processing and increases life expectancy of end products such as pipes, films and sheets.
4. Dispersing Agent and lubricant in Color Masterbatch
With its excellent dispersing and lubricating properties, calcium stearate is an essential component for color masterbatch which requires strong pigment dispersion and smooth processing.
5. Adhesion Preventive in Rubber Products
Calcium stearate is also used widely in rubber industry. For example, as an adhesion preventives for rubber soles to prevent, or 'block', layers of soles from sticking together to facilitate ease of handling and better quality of the product.
6. Water-Proofing Agent for Textiles
In textile applications, calcium stearate acts as a water-proofing agent, providing durable water repellency to fabrics without affecting their breathability or texture.
Storage and Handling
Storage and transport under a shady, cool, and ventilated environment; Avoid acid, alkali, and corrosive substances. Keep it away from humidity, hotness, fire, and corrosion.
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