Properties and effects of heavy calcium carbonate in the application of rubber manufacturing

15-12-2023

Rubber products have a wide range of applications in industry and daily life, such as tires, rubber hoses, rubber shoes and so on. In order to improve the performance of the products and reduce the cost, it is often necessary to add fillers and reinforcing agents to the rubber. As a common filler and reinforcing agent, heavy calcium carbonate has an important role in rubber manufacturing.


Properties and effects


Filling Properties

Calcium bicarbonate, as a filler, can play a role in increasing volume and reducing cost in rubber manufacturing. In addition, it can also improve the processing properties of rubber due to its high filling amount. As for the filling technology, according to different processing equipment and process conditions, it can be filled by dry or wet method. Dry filling has high filling capacity, but easy to produce dust pollution; wet filling has better dispersion, but the equipment cost is higher.


Reinforcement performance

Heavy calcium carbonate can also be used as reinforcing agent in rubber manufacturing to improve the strength and wear resistance of rubber products. Its reinforcing effect is mainly due to its crystal structure and surface properties. Heavy calcium carbonate particles form a network structure in rubber, which improves the tensile and tear strength of rubber. At the same time, its surface has certain activity, which can be combined with rubber through physical or chemical action to improve the abrasion resistance of products. As for the reinforcement technology, suitable processing technology and additive system can be adopted according to different rubber varieties and processing conditions.


Optimization of performance


Heavy calcium carbonate in rubber manufacturing can also play a role in optimizing performance. For example, by adjusting the particle size and distribution of calcium carbonate, it can improve the barrier properties, light transmission properties and dielectric properties of rubber. In addition, heavy calcium carbonate can be used as a carrier for other additives to improve the dispersion and stability of additives in rubber. These optimization techniques provide an important way to improve the performance and reduce the cost of rubber products.


Calcium bicarbonate has an important role in rubber manufacturing. As a filler, it can increase the volume of rubber and reduce the cost; as a reinforcing agent, it can improve the strength and abrasion resistance of the products; as an optimizer, it can improve the performance of rubber and reduce the cost.

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