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

R-6618 is a high-quality titanium dioxide pigment supplied by Shandong Jinhai Titanium Resources Technology Co., Ltd., a leading factory in China. This rutile titanium dioxide is carefully manufactured using zirconia and alumina, treated with both inorganic and organic compounds to enhance its properties. R-6618 offers outstanding whiteness, exceptional gloss, high tinting strength, remarkable durability, and excellent dispersion characteristics, making it an ideal choice for industrial coatings. It is extensively used in the production of both solvent-based and water-based paints, coatings, and plastics. Available in a convenient 25KG paper-plastic composite bag, R-6618 stands out as a premium option among suppliers in the market

    Application Industries
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    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.

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    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.

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    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
    • Dense Crystalline Structure
    • Exceptional Hiding Power
    • Superior UV Resistance
    • Long-Term Color Stability
    • Outstanding Weather Resistance
    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

    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.

    Frequently Asked Questions
    Q What is R-6618 rutile titanium dioxide and what makes it different from anatase grades?
    R-6618 is a premium rutile-type titanium dioxide pigment featuring a dense crystalline structure with a minimum TiO2 content of 94% and rutile content of 98%. Unlike anatase grades, R-6618 offers significantly superior weather resistance, UV stability, and long-term color retention, making it the preferred choice for demanding outdoor and industrial applications.
    Q Which industries is R-6618 titanium dioxide most suitable for?
    R-6618 is widely used across the paints and inks, plastics and rubber, and paper manufacturing industries. It is especially valued in architectural exterior coatings, automotive OEM finishes, engineering plastics, outdoor construction materials, and specialty paper products where high performance and durability are required.
    Q What surface treatments are applied to R-6618 titanium dioxide?
    R-6618 undergoes both inorganic and organic surface treatments. The inorganic coatings consist of Zirconia and Alumina, while the organic treatment involves TMP (Trimethylolpropane) and Organic Silica. These treatments enhance the product's dispersion, compatibility, and overall performance in various application systems.
    Q What are the key optical and physical specifications of R-6618?
    R-6618 delivers a tinting strength of 1800 minimum, an L value of 98 minimum for brightness, an A value between -0.5 and 0.5, and a B value of 1.5 maximum for minimal yellowness. Its oil absorption is controlled at 20 g/100g maximum, and the pH range is 6.0–8.5, ensuring consistent quality and processability.
    Q How does R-6618 perform in plastic and rubber applications?
    Thanks to its advanced surface treatment technology, R-6618 exhibits excellent dispersion and compatibility within plastic and rubber matrices. It significantly improves the whiteness, weather resistance, and mechanical strength of finished products, making it ideal for high-end engineering plastics, automotive components, outdoor construction materials, and rubber goods.
    Q Is R-6618 titanium dioxide suitable for outdoor and long-term exposure applications?
    Yes, R-6618 is specifically engineered for applications requiring long-term outdoor performance. Its dense crystalline structure and stable chemical properties provide exceptional UV resistance and color stability, ensuring coating integrity and durability even under harsh outdoor conditions — making it an optimal choice for architectural exterior coatings and automotive finishes.

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