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    90% calcium carbonate

    1, Molecular formula: CaCO3

    2, Molecular Formula: 100.09

    3, Physical and chemical properties:
    Gray powder, odorless, tasteless. There is no change in the exposed air, the specific gravity is 2.71. Melting point 825 (decomposition). Almost insoluble in water, insoluble in alcohol. In case of dilute acid vinegar and dilute nitric acid, bubble boiling dissolves. Heating decomposes into calcium oxide and carbon dioxide.

    4. Features and uses
    This product uses high-quality limestone as raw material, with few impurities, uniform particle size, low DOP oil absorption value, and is widely used in plastics, rubber, building material additives and other industries. The use in plastic composite materials can significantly improve the bonding strength and mechanical properties of the interface of the matching material; Used in various plastic pipes, profiles, plastic products, degradable plastics and wires and cable materials, it can play a role in toughening, reinforcing and improving gloss and improving quality. Used in the rubber industry, it can improve the tensile, tensile, heat, aging, tear resistance and other properties of the product. Used in the coating industry, it can increase the thickness of the film, improve the wear resistance and weather resistance of the coating, and improve the powder loading rate and spray area.
     
    5, Main control index
    Serial number Item Index
    1
    Calcium carbonate (on a dry basis) ≧%.
    90.0
    2
    Residue on 325mesh screen ≦%
    10.0
    3
    Hydrochloric acid insoluble matter ≦%.
    5.0
    4
    Moisture ≦%.
    2.0
    Contact us

    Address: Industrial Functional Zone, Shangfang Town, Qujiang District, Quzhou City, Zhejiang Province, China
    Tel: +86-18857004919/18758988598
    Fax: +86-570 - 2813333
    E-mail: 2917882325@qq.com
    Contact: Lei Ming
    Website: www.hemmingjorgensen.com

    Copyright(C)2023, Quzhou shuntian Calcium Industry Co., Ltd. All Rights Reserved. Supported by  ChemNet ChinaChemNet Toocle

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