Filler masterbatch is one of the most widely used additives in plastic production. It is mainly designed to reduce production costs and improve the physical properties of plastic products. The masterbatch contains inorganic fillers such as calcium carbonate (CaCO₃), talc, or barium sulfate, blended with a carrier resin (usually PE or PP) and a dispersing agent to ensure uniform mixing.
🏭 Main Applications:
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Film products: garbage bags, shopping bags, packaging films, and agricultural films.
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Injection molding: containers, household items, furniture parts, and toys.
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Extrusion: pipes, cables, and sheets where dimensional stability is important.
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Blow molding: bottles, tanks, and other hollow plastic parts.
In addition to cost savings, filler masterbatch improves stiffness, thermal resistance, and printability, while also reducing shrinkage and improving processing stability. For example, in film blowing, it helps prevent “film bubble instability” and ensures smooth, uniform film surfaces.
Today, filler masterbatch is widely applied not only in PE and PP products but also in PS, ABS, and PVC materials, making it one of the most versatile additives in the plastic industry.
