Special effect pigments | additives feature


effect and opacity. SunMica Silver Grey represents a new colour space for mica-based pearls. It was designed to mimic the appearance of fine metallic pigments for polymer systems such as PVC that have issues with aluminium-based products. Sun Chemical’s SunGem XST provides very high


sparkle and transparency. Effects are based on ultra-smooth glass platelets coated with titanium dioxide. Heitzman says that they respond to new trends in film and multi-layer rigid packaging. Meanwhile, Benda-Lutz Compal K Aluminum Pellets and SunMica Fuse products are said to be in demand for non-dusting pellets used at high loadings. Sun Chemi- cal acquired Austrian metallic effects producer Benda-Lutz in 2012. “Benda-Lutz has a long-standing reputation for innovation in product and process technology, and for providing outstanding quality and service,” says Heitzman.


Glittering prizes Silberline Manufacturing recently expanded its range of metallic effect pigments for plastics applications with the Tufflake Premier Silvet E1 performance series.


Sun Chemical has been extending its range of SunMica pearlescent effects


Silberline describes these as high performance products of its advanced milling technology and expertise in carrier technology. They allow improved colour retention in high-shear processing compared to conventional “silver dollar” aluminium products, the company says. End-use applications include injection


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