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High-Performance Rutile Titanium Dioxide R-6618 from China Suppliers | Premium Factory Quality Pigment

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Introducing R-6618, a premium titanium dioxide pigment produced by Shandong Jinhai Titanium Resources Technology Co., Ltd., a leading manufacturer and supplier in China. R-6618 is a high-performance rutile titanium dioxide that undergoes unique inorganic and organic surface treatments with zirconia and alumina. This results in exceptional whiteness, outstanding glossiness, high tinting strength, remarkable durability, and excellent dispersion properties. With strict quality control based on advanced vulcanization processes, R-6618 is specifically designed for industrial coatings. It is highly versatile and extensively used in the production of both solvent and water-based paints, coatings, and plastics. R-6618 is conveniently packaged in 25KG paper-plastic composite bags, making it an ideal choice for manufacturers in need of quality titanium dioxide sourced from a reliable factory in China.

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    Application Industries
    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.

    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.

    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 how does it differ from anatase grade?
    R-6618 is a rutile-type titanium dioxide with a minimum TiO2 content of 94% and rutile content of 98% or higher. Compared to anatase grades, rutile TiO2 offers significantly superior weather resistance, UV durability, and long-term color stability, making it the preferred choice for demanding outdoor and industrial applications.
    Q What surface treatments are applied to R-6618?
    R-6618 undergoes both inorganic and organic surface treatments. The inorganic coatings consist of Zirconia and Alumina, while the organic treatment uses TMP (trimethylolpropane) and Organic Silica. These treatments enhance dispersion, compatibility, and durability across a wide range of application systems.
    Q Is R-6618 suitable for outdoor and automotive coating applications?
    Yes. R-6618 is specifically engineered for high-performance outdoor applications. Its exceptional weather resistance, UV stability, and high tinting strength (1800 Min) make it well suited for architectural exterior coatings, automotive OEM finishes, and industrial protective systems exposed to harsh environmental conditions.
    Q How does R-6618 perform in plastics and rubber applications?
    R-6618 demonstrates excellent dispersion and compatibility within plastic and rubber matrices thanks to its advanced surface treatment. It enhances whiteness, weather resistance, and mechanical strength of finished products, making it ideal for engineering plastics, outdoor construction materials, automotive components, and rubber goods.
    Q What are the key optical and color parameters of R-6618?
    R-6618 achieves an L value of 98 minimum, indicating high brightness and whiteness. The A value ranges from -0.5 to 0.5 (near neutral), and the B value is 1.5 maximum, reflecting minimal yellowness. These parameters confirm the product's excellent optical performance for applications requiring consistent, high-quality white pigmentation.
    Q Can R-6618 be used in paper manufacturing?
    Absolutely. R-6618 functions as a high-quality filler and coating pigment in the paper industry, effectively improving glossiness and printability. Its stable chemical properties and favorable dispersion characteristics ensure consistent performance across diverse papermaking processes, making it especially valuable for premium cultural papers, packaging materials, and specialty paper products.

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