Introduction PVC foam shoe materials have become widely favored in the footwear industry thanks to their lightweight construction, excellent cushioning, comfortable softness, and strong wear resistance. Combined with cost-effectiveness,...

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As the demand for high-whiteness plastic products increases, whitening masterbatches have become an essential component in the plastics industry. These masterbatches are produced by mixing and granulating resins with fluorescent whitening agents...

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Detergents—whether household, industrial, or institutional—play a vital role in maintaining hygiene and cleanliness in daily life. As consumer expectations for whiteness, brightness, and perceived cleanliness continue to rise, the role of optical...

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Flexible plastics—such as plastic tablecloths, flexible water pipes, soft films, wires, and cables—represent a category of polymer materials that undergo frequent bending, stretching, and mechanical deformation during use. These conditions create unique...

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Protein fibers—primarily wool and silk—naturally exhibit a slightly milky or yellowish appearance. Unlike cellulose fibers, they are seldom subjected to aggressive bleaching due to their sensitivity to strong oxidants and alkaline conditions....

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As aesthetic standards rise across industries, the demand for bright, high-whiteness products has increased significantly. Whether in white plastics, coatings, inks, films, or everyday consumer goods, manufacturers commonly use additives to enhance...

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Optical brighteners, also known as fluorescent whitening agents (FWAs), are widely used in polymers, fibers, plastics, detergents, and coatings to improve whiteness and enhance visual brightness. Over decades of research and industrial...

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Filler masterbatches may not be widely recognized by consumers, but they play a critical role in the plastics processing industry. These granular materials are typically produced from a combination of fillers, additives,...

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Acrylic sheets—often referred to as plexiglass or PMMA sheets—are widely used in home décor, signage, lighting, display products, and interior applications. Known for their high clarity, glossy appearance, and elegant white or...

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White plastic products remain one of the most popular options across industries. To enhance whiteness and achieve a brighter, cleaner appearance, manufacturers often add a small amount of optical brightener during production.

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