Polyamide (PA), widely known as nylon, is a high-performance thermoplastic resin characterized by repeating amide linkages ——. As one of the most important engineering plastics, polyamide is used extensively across fibers, films,...

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In PVC manufacturing, appearance quality is a critical factor that directly influences market competitiveness. Whether for rigid PVC pipes, sheets, transparent films, or soft PVC profiles, achieving high whiteness and brightness is...

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Introduction: In the production of woven bags—particularly those utilizing recycled materials—additive selection is critical. Over time, woven bags often suffer from fading and yellowing, compromising both appearance and perceived...

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Optical brightener FP-127 (C.I. Fluorescent Brightener 378) is a high-efficiency fluorescent whitening agent widely used in plastics and polymer processing. Known for its brilliant blue-white fluorescence, excellent thermal stability, and strong compatibility...

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Optical brightener OB (C.I. Fluorescent Brightener 184) is one of the most widely used fluorescent whitening agents in plastics, coatings, and printing applications. Known for its excellent thermal stability, strong blue-white fluorescence,...

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Achieving high whiteness and brightness is a critical requirement for modern textiles. However, natural fibers often fall short of aesthetic expectations due to inherent yellowing, variations in growth conditions, and uneven reflectance...

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Tinopal OB CO—also known as Optical Brightener OB—is a high-performance fluorescent whitening agent widely used in paints, coatings, adhesives, and printing inks. With strong bluish fluorescence and excellent thermal and chemical stability,...

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When talking about optical brightener VS bleach, many people wonder if they are the same substance. Of course. That's an excellent and very common question. The...

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Introduction Fluorescent penetrant testing (FPT) is one of the most widely used non-destructive testing (NDT) methods for detecting surface-breaking defects in metals and non-metallic materials. Its sensitivity largely depends...

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Introduction Polyethene (PE) is a widely used thermoplastic known for its high toughness, flexibility, and chemical resistance. Among its many applications, PE film—especially PE stretch film—plays a critical role...

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