Application of rutile titanium dioxide in plastics industry

Titanium dioxide is a key white pigment used in various industrial applications, especially in coatings and paints. It is valued for its high tinting strength and excellent covering power, making it the preferred choice for white paint formulations. There are two main forms of titanium dioxide: anatase and rutile, each with distinct properties and uses. While both types have their own advantages, rutile titanium dioxide is particularly popular in the plastics industry due to its superior stability and performance. Plastic sheets are widely used across different sectors and come in various types, each with unique characteristics: 1. **Muscovite**: A transparent sheet that can be white, light yellow, brown, or reddish. It has a specific gravity of 2.76–3.1 and a hardness of 2.0–2.5. 2. **Biotite**: Typically black, dark brown, or dark green. It has a specific gravity of 2.8–3.2 and a hardness of 2.5–3.0. 3. **Phlogopite**: Also known as magnesium mica, it ranges from yellow to dark brown. Mica is known for its heat resistance, chemical stability, and good electrical insulation. It mixes well with resins, making it ideal for use in plastic compounds. 4. **Talc**: White or light yellow in color, with a monoclinic crystal structure. It often appears in flake, scale, or compact forms. Talc has a glassy luster and is extremely soft, chemically inert, and resistant to fire and electricity. 5. **Calcium Silicate (Wollastonite)**: Used to enhance the chemical and moisture resistance of thermosetting resins, PVC, polyolefins, nylons, and epoxy resins. Anatase titanium dioxide helps reduce mold shrinkage and improves dimensional stability, while also offering good insulation, toughness, and thermal resistance. 6. **Hollow Microspheres**: These lightweight particles are produced using methods such as melt jetting, direct heating foaming, and core material decomposition. They are often used in plastics to reduce weight without sacrificing structural integrity. **Silica** is another important component in the plastics industry: - **Diatomaceous Earth**: A sedimentary rock made from the fossilized remains of diatoms. It is soft, porous, and highly absorbent, commonly used in insulation and sound-dampening materials. - **Quartz**: A common mineral with a trigonal crystal system. It is found in hexagonal shapes and is used as a filler in plastics due to its high heat and chemical resistance. - **Colloidal Silica**: A fine white powder with a refractive index of 1.46. It is insoluble in water and acids but dissolves in strong alkalis. It’s used in applications requiring good insulation and moisture control. **Metal Oxides**, such as **zinc oxide** and **antimony trioxide**, are also used as white pigments and fillers in plastics, similar to titanium dioxide. **Metal Powders** are added to plastics to enhance conductivity, rigidity, and heat resistance. They give the material a metallic appearance and improve mechanical properties. **Atactic Polypropylene (APP)** is a byproduct of polypropylene production. Though it lacks mechanical strength and heat resistance, when blended with calcium carbonate, it becomes a useful additive in plastic processing. This not only helps recycle waste but also improves the flexibility and cost-effectiveness of the final product. APP-filled plastics are used in packaging tapes, films, and containers. By incorporating these materials, manufacturers can tailor the properties of plastics to meet specific application needs, ensuring both performance and economic efficiency.

Wall Lights

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• Dry, Damp or Wet Location Listed: Wet

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• Warranty:3 - 5 years

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