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Applications of calcium carbonate masterbatch in the plastic industry

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 Calcium carbonate masterbatch is made of calcium carbonate, base resins and several plastic additives. Calcium carbonate (CaCO3) powder used in calcium carbonate masterbatch production has the natural origins. It exists in many forms such as calcite, limestone, chalk, marble or aragonite, or in the form of impurities and minerals such as dolomite. For thousands of years, CaCO3 has been one of the most useful minerals for humans, in different fields. And so far, one of the industries that use CaCO3 the most is probably the filler masterbatch industry.

Calcium carbonate masterbatch is the component bringing profitability for investors

After the resin, CaCO3 also plays an important role in making filler masterbatch. Among the fillers, calcium carbonate masterbatch is the most commonly used type one especially the plastic and rubber industry.

Regarding to plastic fillers, they are often insoluble minerals that are added into the primary plastic to increase the volume for plastics. They play many roles in masterbatch production, from reducing production costs to improving product features such as increased durability and rigidity. However, everything has 2 sides. When using fillers at high concentrations beyond the ideal ratio, important physical properties of products such as impact resistance will be changed in the direction of disadvantage. Therefore, adding CaCO3 as filler requires a balance between cost and dosage compared to other ingredients.

Applications of calcium carbonate masterbatch in the plastic industry

From calcium carbonate powder to producing calcium carbonate masterbatch

To produce calcium carbonate masterbatch, manufacturers often use CaCO3 powder from limestone quarries. Limestone resources in Vietnam are quite abundant in reverse. There are about 125 limestone quarries that have been searched with estimated reserves of about 13 billion tons, distributed mainly in the northern regions and southernmost provinces.

Calcium carbonate in form of powder is classified into two basic groups:

Applications of calcium carbonate masterbatch in the plastic industry

The outstanding application of calcium carbonate masterbatch in the plastic industry

Masterbatch is considered as input material with granular shape used for other industries. Masterbatch not only helps manufacturers reduce production costs but also improves the hardness, material surface and reduces shrinkage of the finished products. Thanks to these advantages, calcium carbonate masterbatch has many applications in various production areas.

As we metioned above, GCC is used to produce filler master batch. When GCC is applied as a filler in plastics, it must undergo a melting process with plastic substrate to create granules called filler. Then, CaCO3 filler masterbatch is used to produce thin/thick films, evaporate plastic films, heat-resistant films, etc. In addition, plastic fillers are also involved in the production processes of PE or PP plastic with the role of preventing segmentation or fibrillation. CaCO3 masterbatch is also very useful for manufacturing plastic products by injection molding technique, so it is widely used in the production of spare parts, equipment, household products, etc.

Applications of calcium carbonate masterbatch in the plastic industry

Calcium carbonate masterbatch producing - EuP’s future plan in exploiting limestone mines

With the current position as one of the 5 biggest international manufacturers and suppliers of calcium carbonate masterbatch, in order to improve the productivity and gain profit, EuP has been encroaching into the exploitation of calcium carbonate and talc mines. Instead of importing raw materials from quarries mining companies, EuP is aiming to expand the autonomy model supplying raw materials with the purpose of optimizing prices of finished products.

Moreover, we will also be able to freely and easily select the input materials, thus we can completely control and modify our productions. Thanks to a subsidiary company - Yen Bai Industrial Mineral Joint Stock Company (YBM) with a factory acreage accounted for approximately 5.5 hectares that is specialized in exploiting and supplying high quality raw materials, the quantity of 20,000 tons per month is considered a milestone in the supply of raw materials for EuP and even other filler masterbatch companies that need to produce on the market.

 
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