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Calcium carbonate already has a long history of use in plastic and rubber. It helps to reduce costs, improve the heat resistance, size stability, and hardness of the base material. Calcium carbonate is the filler first used by the rubber industry, and is still used in the greatest quantity. Adding large amounts of calcium carbonate to rubber can increase the product's volume in stead of expensive natural rubber and thereby cuts costs. The addition of calcium carbonate to rubber increases tensile strength, abrasion resistance, and tear resistance even more than does vulcanization. Calcium carbonate also has a significant reinforcing effect in both natural and synthetic rubber, and can improve consistency. Calcium carbonate is used in such small rubber products as oil seals and auto parts, and also in such large products as tires, tape, and rubber hoses. Not only is calcium carbonate used alone as a reinforcing filler, when needed, it may also be used together with such other fillers as carbon black, white carbon black, clay, and titanium white to achieve reinforcing, filling, coloring, improving workability, enhancing product performance, and reducing latex content. Calcium carbonate may also partially replace such more-costly white fillers as white carbon black and titanium white.
| Chemical Analysis | |||
| Calcium Carbonate (CaCO3) | 98.5 % Min | ||
| Iron Oxide (Fe2O3) | 0.02 % Max | ||
| Aluminum Oxide (Al2O3) | 0.02 % Max | ||
| Magnesium Oxide (Mgo) | 0.02 % Max | ||
| Silicon Oxide (SiO2) | 0.03 % Max | ||
| Physical Analysis | |||
| Whiteness | 98% Min | ||
| Brightness | 96% Min | ||
| Moisture | 0.2% Max | ||
| Specific Gravity | 2.7g/cm3 | ||
| Specific Surface Area | 5.40 m2/g | ||
| Tapped Density | 1.20 g/cm3 | ||
| Loss on ignition | 43.50% | ||
| Hardness | 3 Moh | ||
| pH Value | 08-09 | ||
| Oil Aborption | 20g/100g Cac03 Max | ||
3 layer bag/PP bag net weight 25kgs, jumbo bag 500kg, 1000kg ~1250 kg
(If using jumbo bag of 500 kg: 1 ton/ pallet; 1000 kg~1250 kg: 2 bags/ pallet)
Our company is leading producer of industrial mineral in Viet Nam.
Our prestige has been well recognized not only in domestic market but also in many parts of the world such as: India, Bangladesh, Korea, England…With experience of more than 30 years, we commit to bring you all what you need with highest satisfaction.
Our product is from purest and whitest deposit in VietNam named MONG SON mine. So the powder is fine, white, bright and suitable for your need.
OUR CONTACT
Ms. Xuan
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