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Tosaf

New masterbatch system for food

A newly developed, universally applicable masterbatch carrier system from Tosaf Color Service now complies with all common food contact requirements. These include the recommendations of the German Federal Institute for Risk Assessment (BfR) as well as the complex and varied regulatory requirements of the USA and China (FDA, China Food Safety Law). Any color and, where applicable, functional and combination masterbatches based on this carrier system can be used across continents without hesitation for any appropriate applications ranging from translucent and opaque rigid and flexible packaging, toys and household items to components for machinery and equipment used in food processing.

Tosaf launches new additive

FR9185PE is a halogen-free flame retardant (HFFR) additive newly developed by Tosaf for crosslinked and non-crosslinked polyethylene foams, to enlarge its extensive portfolio of market-proven products. Even at low concentrations, it helps prevent the spread and acceleration of fire. It thus facilitates compliance with demanding fire protection standards in industries such as construction, pipe insulation, automotive and shipment packaging.

New white masterbatch without TiO2

At K2022 in Düsseldorf, Tosaf will present a series of new white masterbatches with excellent properties in terms of whiteness, colour strength and opacity, which do not contain titanium dioxide (TiO2). The company is thus responding to an increasing number of customers inquiries, since regular white pigment is suspected of being carcinogenic when inhaled in powder form, and because the EU has banned it as a food colourant (E171). Although this decision by the EU does not yet ban the use of titanium dioxide as a pigment in polymers that come into contact with food, there is a growing demand among manufacturers of hard and soft packaging for the food industry, as well as parts of the toys and cosmetics industries, to move to TiO2-free masterbatches in the future.

Light-diffusing masterbatch

Many LED light sources have a problem to create uniform diffused light, resulting in brightness concentrations – so-called "hot spots" – on backlit surfaces. Light-diffusing (LD) masterbatches from Tosaf Color Service effectively prevent this undesirable phenomenon. In extensive laboratory trials, the micro-fillers it contains were optimized with regard to material, refractive index, transparency, geometry and dimensions. As a result, only very small amounts of masterbatch – namely 1-2 % – are needed to effectively scatter the light in originally transparent material, predominantly polymethylmethacrylate (PMMA) and polycarbonate (PC). At the same time, the light transmission and mechanical properties of the base material are largely retained. In addition to color-neutral grades, combinations with specific colorings and other functional properties such as UV stabilizers are available.

Low-emission POM masterbatches

Tosaf Color Service’s color, functional and combination masterbatches for POM are now based on particularly low-emission carrier materials. In addition, the pigments have been optimally selected with regard to their effectiveness. As a result, the low emission data of the starting material – depending on the POM type – are almost fully retained, even after coloring and compounding. The new masterbatches thus help to ensure compliance with the strict specifications of the automotive industry for molded parts, and also with the requirements regarding personnel safety. The emission-optimized masterbatches are suitable for all POM grades. At the customer's request, ongoing applications can also be switched to the new technology.
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