Chemical foaming agents for the injection moulding of PVC are mainly powders that are added in the compounding step, although some granular masterbatches and expandable microspheres are used too. Tramaco supply a range of products tailored to specific applications and resulting in different foaming characteristics and cell structures.
Some of our products for injection moulding of PVC are listed below:
|Foaming Agent Powders||decomposition temperature||remarks|
|TRACEL® NC 135||135 - 190°C||coarse cell structure, endothermic|
|TRACEL® DB 140||ca. 140°C||exo-/endothermic|
|TRACEL® DB 161||135 - 220°C||fine cell structure, exo-/endothermic|
|Foaming Agent Masterbatches (polymer bound)|
|TRACEL® IM 3140 ACR-M||ca. 140°C||fine cell structure, exo-/endothermic|
|Basic Foaming Agents|
|UNICELL® MS 190 D||expandable microspheres, a physical foaming agent encapsulated in a polmeric shell|
Our product recommendations and technical advice are based on careful investigation and are to our best knowledge but are without guarantee. Users have to test for themselves whether our products perform properly in their application.