Mixing Thermoplastic Compounds and Masterbatches ...
Whereas Masterbatch is a pre-dispersed colour concentrate that is let down with natural polymer in ratios from 1 to 5 %. There are different ways of mixing thermoplastics for compounding (Compounds & Masterbatches / Concentrates).. The choice of blender type and size are many and varied, the most common being Tumble, Ribbon or High Speed Blenders.