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  • An industrial overlock sewing machine is designed to join two or more pieces of fabric together while simultaneously trimming the excess fabric at the edges. It uses multiple threads and specialized stitches to create a secure, professional-looking finish. The term overlock comes from the machine's ability to wrap the thread around the edge of the fabric, preventing fraying and creating a clean look. This makes them particularly useful for knit and stretch fabrics, which are common in modern apparel.


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  • Heavy duty bag making machines are essential equipment in the packaging industry, capable of producing a wide range of bags that can carry heavy loads. These machines are designed to handle thick, tough materials such as plastic, paper, and woven polypropylene to create durable bags that can withstand rough handling and harsh environments.

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  • The single needle lock stitch is a fundamental sewing technique that plays a crucial role in a wide variety of sewing applications, from garment construction to quilting and home decor. This method is characterized by its use of a single needle that creates a series of interlocked stitches, resulting in a strong, durable seam. In this article, we will explore the mechanics of the single needle lock stitch, its applications, and its advantages, making it a vital skill for both novice and experienced sewers alike.


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  • 2. Stitch Width

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  • The Advantages of Heavy Duty Industrial Sewing Machines

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  • One of the key features of heavy duty sewing machines is their ability to sew through multiple layers of thick fabric without compromising the quality of the stitches. They also come with a variety of specialized presser feet and needles to accommodate different types of heavy fabrics. Additionally, heavy duty sewing machines often have a larger workspace to accommodate bigger projects and more room for maneuvering bulky materials.

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    Leather sewing machine Leather sewing machine

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  • TiO2 is also used in the production of plastics, where it serves as a whitening agent and UV stabilizer. By incorporating TiO2 into plastic products, manufacturers can enhance their appearance, increase their lifespan, and improve their resistance to sunlight and weathering. Additionally, TiO2 helps prevent the degradation of plastic materials, ensuring that they retain their properties and performance over time.


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  • TiO2 comes in many different forms. However, only a few of these forms are considered food-grade (acceptable to be added to food). Many studies that raised concern about the safety of TiO2, including the concern for genotoxicity, used forms of TiO2 that are not considered acceptable for use in food and have different properties than food-grade TiO2. Other studies did use food-grade TiO2, but took steps to break the material down into smaller particles than what would normally be found in food.


  • The refractive index, represented by the letter n, of a material describes how light propagates through and is bent by, that material. The magnitude of the refractive index, depending upon the electronic structure of the molecules, governs to what extent the path of light changes, when entering or leaving a material.

    Particles in a matrix, like pigment particles surrounded by the binder system in a coating, ink or plastic, can change the propagation direction of light when the particles and the matrix have a different refractive index. This phenomenon, called scattering, results in both white color (provided that the particles do not absorb visible light) and the hiding power of the coating.
  • The commitment to excellence does not stop at production methods; it extends to the research and development of new lithopone formulations
  • Panzhihua Dongfang TiO2 manufacturer has 28 patents related to titanium dioxide production by sulfuric acid method, 3 research results, and 5 registered trademarks. Excellent quality, excellent covering power, excellent system dispersion, good whiteness, high brightness, and low oil absorption. The company’s products are exported to more than 40 countries and regions in the world, and the export ratio is nearly 40%. It is the second largest exporter in Panzhihua City after Panzhihua Iron and Steel. Top 50, Sichuan Enterprise Technology Center, Panzhihua Municipal Government “Advanced Foreign Trade Export Enterprise” and other titles

  • One common method to determine sulfate as TiO2 involves gravimetric analysis. In this technique, a sample containing sulfate is treated with barium chloride, resulting in the precipitation of barium sulfate. The precipitate is then filtered, dried, and weighed. The weight of the barium sulfate precipitate correlates directly with the amount of sulfate originally present in the sample. To express this as TiO2, a conversion factor based on stoichiometry is applied. This method, while straightforward, can be time-consuming and subject to errors in filtration and drying.
  • The evidence also suggests that the toxicity of TiO2 particles may be reduced when eaten as part of the diet. This is because proteins and other molecules in a person's diet can bind to the TiO2 particles. This binding alters the physical and chemical properties of the particles, which influences how they interact with cells, tissues and organs.

  • When selecting suppliers of titanium dioxide powder, it is essential to consider several factors. Firstly, the quality of the powder is paramount. Suppliers should provide titanium dioxide powder that is pure, consistent, and meets the specifications required for the intended application. Additionally, suppliers should have the capabilities to deliver the powder in the quantity and timeframe needed by their customers.
  • Despite the advent of newer imaging technologies like magnetic resonance imaging (MRI) and ultrasound, barium sulfate remains a go-to choice for diagnosing a plethora of GI disorders including ulcers, tumors, polyps, and obstructionsbarium sulfate board. Its safety profile and cost-effectiveness make it an indispensable tool in routine diagnostic workflows.
  • Another area where O2Ti excels is in its commitment to sustainability. The company recognizes the importance of reducing its environmental impact and has implemented several initiatives to minimize waste and conserve resources. For example, O2Ti uses energy-efficient components in its products and has implemented a recycling program for its packaging materials.
  • Oil absorption, g/ 100g