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Adhesives and Sealants Industry

Adhesives and Sealants Industry

Used in sealant adhesives, it has good affinity with the adhesive and can accelerate the crosslinking reaction of the adhesive, greatly improving the thixotropy of the system, enhancing dimensional stability, and improving the mechanical properties of the adhesive. With a large addition amount, it achieves both filling and reinforcing effects. At the same time, it makes the surface of the adhesive bright and delicate. In developed countries, nano calcium carbonate has become a major raw material for reactive adhesives, hot-melt adhesives, chloroprene rubber adhesives, water-based adhesives, and sealants. While significantly reducing costs, the adhesive performance has been comprehensively improved. Modified nano calcium carbonate products have a wide range of applications. In silicone structural sealants, it can improve reinforcement and reduce costs. In adhesives and sealants, nano calcium carbonate after surface compatibility treatment can significantly reduce costs and improve adhesion performance. When used in hot melt adhesives, it can play a role in increasing reinforcement and heat resistance. In water-based adhesives, it can play a role in thickening and increasing viscosity. In PVC plastisol, it can improve its rheological properties.

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Construction industry

Construction industry

Lightweight calcium carbonate has a wide range of applications in the construction industry. It can be used to produce lightweight concrete, lightweight bricks, lightweight panels, and other building materials. Due to its lightweight and high-strength characteristics, it can reduce the self-weight of buildings and improve their seismic performance. In addition, lightweight calcium carbonate can also be used as a filler in building walls to achieve heat insulation and thermal insulation effects. Lightweight calcium carbonate has a wide range of applications in different fields. Its lightweight, high strength, and low cost make it suitable for the needs of different fields. In the future, with the continuous advancement of technology, the application fields of lightweight calcium carbonate will continue to expand, bringing more convenience and comfort to people's lives.

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Rubber products industry

Rubber products industry

Natural rubber, nitrile, styrene-butadiene, and blended rubber are suitable for rubber products such as tires, rubber tubes, tapes, oil seals, and auto parts. Nano calcium carbonate has the characteristics of being ultrafine and ultrapure. During the production process, the crystal form and particle size can be effectively controlled. After surface modification, nano calcium carbonate has good compatibility with rubber, thus exhibiting a three-dimensional spatial structure in rubber, fundamentally improving the performance of rubber products. In the rubber industry of developed countries, nano calcium carbonate has been widely used in products ranging from oil seals and auto parts to tires and tapes. It can be used as a reinforcing filler alone, or it can be used in combination with other fillers such as carbon black, light calcium carbonate, heavy calcium carbonate, clay, and titanium dioxide, according to production needs, to achieve the purposes of reinforcement, filling, coloring, improving processing technology and product performance, reducing rubber content, or replacing some expensive white fillers such as titanium dioxide and white carbon black. Acicular calcium carbonate has high reinforcing properties. In the use of natural rubber and synthetic rubber, it can substantially improve the extensibility, tensile strength, and tear strength of the products. The filling amount is 50% higher than that of ordinary light calcium carbonate, improving the market competitiveness of such products.

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Plastics industry

Plastics industry

Due to the lipophilic and hydrophobic nature of the surface of active nano calcium carbonate, it has good compatibility with resins and can effectively improve or adjust the stiffness, toughness, smoothness, and bending strength of products. It can be filled in polymers such as PVC, PP, PF, and PE. The surface treatment agents for plastic-specific active nano calcium carbonate are mainly fatty acids and coupling agents, which have excellent compatibility with organic matter. Filling it in plastic substrates has the advantages of reducing costs and improving the stiffness, heat resistance, and dimensional stability of products. Reinforcing and toughening plastics using nanomaterials is a current hot topic. Our company's products are characterized by small secondary particle size, narrow particle size distribution, and high dispersion in products, making them ideal toughening and reinforcing inorganic fillers. In the application of polystyrene and polypropylene granulation, it can significantly improve its impact strength and improve tensile properties. Practice has proved that adding our company's products to the mixture of PVC pipes and plates can more than double the impact strength of the product without increasing the cost, significantly improve the tensile strength, and significantly improve the appearance and processing performance of the product. Adding nano calcium carbonate to plastic profiles can improve the dimensional stability and stiffness of the product, reduce costs, improve surface gloss, and improve other relevant technical indicators such as impact strength.

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Papermaking industry

Papermaking industry

Adding nano calcium carbonate to papermaking can improve the opacity and brightness of the paper, improve the smoothness and uniformity of the paper, increase the softness of the paper, reduce the hygroscopicity and deformation of the paper, improve the ink absorption performance during printing, and improve the retention rate. Special products used for coated papermaking are characterized by pure white color, high gloss, low transparency, high refractive index, high scattering coefficient, and strong covering power, especially suitable for cigarette paper, recording paper, book printing paper, high-whiteness coated paper, and high-grade sanitary napkins, diapers, etc.

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Printing ink industry

Printing ink industry

Inks formulated with resin-modified nano calcium carbonate (average crystal size 30-50nm) in the ink industry exhibit good viscosity, excellent printability, and high stability. They are suitable for lithographic and gravure inks. The fine particles are easily compatible with other raw materials, resulting in smooth prints, complete dots, strong opacity, and gloss comparable to aluminum barium white. As a filler, it can improve the gloss and brightness of the ink.

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