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High-Quality Rutile Titanium Dioxide R-6618 from China Suppliers and Factory for Paints and Coatings

R-6618 is a premium titanium dioxide produced by Shandong Jinhai Titanium Resources Technology Co., Ltd., one of the leading suppliers in China. This rutile titanium dioxide pigment is enhanced with zirconia and alumina surface treatments, ensuring superior whiteness, excellent gloss, high tinting strength, exceptional durability, and outstanding dispersion properties. Manufactured under strict quality control during the vulcanization process, R-6618 is the ideal choice for industrial coatings. It finds extensive applications in the production of both solvent-based and water-based paints, coatings, and plastics. Available in convenient 25KG paper-plastic composite bags, R-6618 is your go-to option for high-performance titanium dioxide from a trusted factory in China

    Application Industries
    1 Paints and Inks Industry

    R-6618 rutile titanium dioxide serves as a fundamental component in premium paints and inks due to its outstanding hiding power and weather resistance. The product offers high refractive index and superior optical characteristics, meeting the demanding standards for various interior and exterior coating applications. It finds broad usage in architectural coatings, automotive finishes, industrial protective systems, and printing inks.

    2 Plastics and Rubber Industry

    Employing advanced surface treatment technology, R-6618 demonstrates excellent dispersion and compatibility within plastic and rubber matrices. It significantly enhances the whiteness, weather resistance, and mechanical strength of finished products, making it particularly suitable for high end applications including engineering plastics, outdoor construction materials, automotive components, and rubber goods.

    3 Paper Industry

    In the paper manufacturing sector, R-6618 functions as a high quality filler and coating pigment that effectively improves paper glossiness and printability. With stable chemical properties and favorable dispersion characteristics, it maintains consistent quality performance across diverse paper making processes. The product proves especially valuable for producing premium cultural papers, packaging materials, and specialty paper products.

    Parameter Information
    ITEM SPECIFICATION
    TiO2 Content % 94 Min
    Rutile Content % 98 Min
    Tinting Strength 1800 Min
    Oil Absorption g/100g 20 Max
    Resistivity Ω·m 80 Min
    Solution in Water 0.5 Max
    Residue on Sieve (45μm) 0.05 Max
    Volatile at 105℃ 0.5 Max
    PH 6.0 – 8.5
    Inorganic Coatings Zirconia, Alumina
    Organic Treatment TMP / Organic Silica
    L 98 Min
    A -0.5 – 0.5
    B 1.5 Max
    Product Performance
    R-6618 features a dense crystalline structure and stable chemical properties, delivering exceptional durability, hiding power, and ultraviolet resistance. With weather resistance notably surpassing that of anatase grades, it maintains long term color stability and coating integrity under demanding outdoor conditions. This makes it an optimal selection for high performance industrial applications requiring reliable and lasting material performance.
    R6618
    R6618(2)
    Application Scope
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    R-6618 finds extensive application across multiple industrial sectors including coatings, plastics, rubber, inks, and paper manufacturing. The product proves particularly suitable for premium applications with stringent weather resistance and durability requirements, such as architectural exterior coatings, automotive original equipment manufacturer finishes, and outdoor plastic products.

    Coatings Plastics Rubber Inks Paper Automotive Finishes Outdoor Products
    Frequently Asked Questions
    Q What is R-6618 rutile titanium dioxide primarily used for?
    R-6618 rutile titanium dioxide is primarily used in paints, inks, plastics, rubber, and paper manufacturing. Its outstanding hiding power, high refractive index, and superior weather resistance make it ideal for both interior and exterior coating applications, as well as high-end industrial uses.
    Q What is the minimum TiO2 content of R-6618?
    R-6618 has a minimum TiO2 content of 94%, with a rutile content of at least 98%, ensuring consistent and reliable performance across various industrial applications.
    Q How does R-6618 perform in outdoor or weathering applications?
    R-6618 exhibits weather resistance that notably surpasses anatase grades. Its dense crystalline structure and stable chemical properties ensure long-term color stability and coating integrity under demanding outdoor conditions, making it an optimal choice for exterior architectural coatings and outdoor plastic products.
    Q What surface treatments are applied to R-6618?
    R-6618 undergoes both inorganic and organic surface treatments. The inorganic coatings include Zirconia and Alumina, while the organic treatment uses TMP and Organic Silica. These treatments enhance dispersion, compatibility, and overall performance in various matrices.
    Q Is R-6618 suitable for use in the plastics and rubber industry?
    Yes, R-6618 is highly suitable for plastics and rubber applications. Thanks to its advanced surface treatment technology, it demonstrates excellent dispersion and compatibility within plastic and rubber matrices, significantly improving whiteness, weather resistance, and mechanical strength of finished products.
    Q What are the key optical and color parameters of R-6618?
    R-6618 achieves a minimum L value of 98, an A value range of -0.5 to 0.5, and a maximum B value of 1.5, indicating excellent whiteness and neutral color tone. Its tinting strength reaches a minimum of 1800, reflecting its superior pigmenting performance.

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