Low-dust granules of plastic additives, process of their preparation and their use for stabilizing organic polymers

摘要

In the present invention there are disclosed low-dust granules of plastic additives, comprising at least 10 percent by weight of calcium stearate, whereby the water content of the calcium stearate is less than 2 percent by weight, having a particle size distribution, in accordance with ISO 3435, of from 1 mm to 10 mm, a loose bulk density of greater than 400 g/l and a flowability in accordance with DIN 53492 of less than 15 s (tR25). In the present invention there is also claimed a process for their production, and the use of these granules for the stabilization of organic polymers.