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  • The production process of masterbatch

    The production process of masterbatch

    The production process requirements of color masterbatch are very strict, and the wet process is generally used. The color masterbatch is ground and phase-inverted by water, and a series of tests should be carried out while the pigment is being ground, such as the determination of the fineness, d...
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  • Commonly used plastic coloring methods

    Commonly used plastic coloring methods

    When light acts on plastic products, part of the light is reflected from the surface of the product to produce luster, and the other part of the light is refracted and transmitted into the interior of the plastic. When encountering pigment particles, reflection, refraction and transmission occur ...
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  • Complementary color principle

    Complementary color principle

    Two primary colors can be adjusted to form a secondary color, and the secondary color and the primary color that does not participate are complementary colors to each other. For example, yellow and blue are combined to form green, and red, which is not involved, is the complementary color of gree...
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  • What are dispersants and lubricants?

    What are dispersants and lubricants?

    Both dispersants and lubricants are commonly used additives in plastic color matching. If these additives are added to the raw materials of the product, they need to be added to the resin raw materials in the same proportion in the color matching proofing, so as to avoid color difference in the s...
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  • Characteristics of plastic raw materials in molding conditions

    Characteristics of plastic raw materials in molding conditions

    In the process of plasticizing plastic raw materials, one or more of the following situations often occur, such as the rheology of polymers and changes in physical and chemical properties, which are usually characterized by the following properties: 1. Fluidity: The fluidity of thermoplastics can...
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  • Requirements for Pigments for Masterbatches

    Requirements for Pigments for Masterbatches

    The pigments used in the color masterbatch must pay attention to the matching relationship between the pigments, plastic raw materials and additives. The selection points are as follows: (1) Pigments cannot react with resins and various additives, and have strong solvent resistance, low migration...
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  • The basic components of masterbatch

    The basic components of masterbatch

    Color masterbatch (also known as color masterbatch) is an aggregate obtained by uniformly loading super-constant pigments or dyes into resins. It is composed of three components: pigments (or dyes), carriers and auxiliary agents. concentrate, so its tinting strength is higher than the pigment its...
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  • Origin and Physical Properties of Plastics

    Origin and Physical Properties of Plastics

    The raw material of plastic is synthetic resin, which is extracted and synthesized from petroleum, natural gas or coal cracking. Oil, natural gas, etc. are decomposed into low-molecular organic compounds (such as ethylene, propylene, styrene, ethylene, vinyl alcohol, etc.), and the low-molecular ...
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  • Types of Disposable Lunch Boxes

    Types of Disposable Lunch Boxes

    Disposable lunch boxes are one of the disposable tableware and have a wide range of usability. There are various types of disposable lunch boxes. In this issue, we mainly know the following: Plastic type: Disposable lunch boxes made of plastic mainly include polypropylene and polystyrene, both of...
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  • Classification of disposable tableware

    Classification of disposable tableware

    What is disposable tableware? As the name suggests, disposable tableware is a tableware that is cheap, portable and can only be used once. Products such as disposable cups, plates, tablecloths, placemats, plastic cutlery, napkins, etc. are common in fast food restaurants, takeaways and airline me...
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  • Eight Common Indicators of Toilet Paper

    Eight Common Indicators of Toilet Paper

    Toilet paper is one of the most important sanitary products in our daily life. It is an indispensable daily necessities for us. So, how much do you know about toilet paper? Can you easily judge its pros and cons and choose a suitable one? What about one? In fact, there are eight common indicators...
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  • How to choose the right toilet paper?

    How to choose the right toilet paper?

    As a necessities of people’s life, toilet paper is divided into two categories according to different uses: one is tissue paper, and the other is crepe toilet paper. According to relevant experts, the use of inferior toilet paper by consumers will endanger their health, especially women and...
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