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Chemical Foaming Agents for the Foaming of PVC-Plastisols

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.

We also offer chemical foaming agent pastes, predispersed in plasticiser for easy mixing as well as expandable microspheres.

Our Technical Service Department will be glad to help you choose the best product from our range for your application. Please use our contact form for your enquiries.

Some of our products for the foaming of PVC plastisols are listed below:

Foaming Agent Powders decomposition temperature remarks
TRACEL® NCX 155 VP 62 120 - 200°C low temperature and food contact applications, endothermic
TRACEL® K 135/70 ca. 135°C low temperature applications, exothermic
TRACEL® K 145 LD ca. 145°C chemical embossing, exothermic
Foaming Agent Pastes
TRACEL® P 5205 ca. 210°C azodicarbonamide dispersed in plasticiser, exothermic
TRACEL® P 5160 ca. 160°C OBSH dispersed in plasticiser, exothermic
Basic Foaming Agents
TRACEL® OBSH 160 NER ca. 160°C phlegmatised OBSH, exothermic
UNICELL® D 200 A ca. 210°C azodicarbonamide, exothermic
UNICELL® D200 LK ca. 210°C azodicarbonamide, vinyl wall covering, exothermic
UNICELL® D 300 T ca. 210°C modified azodicarbonamide, low emission grade e.g. for automotive applications, exothermic
UNICELL® KD7 ca. 145°C modified azodicarbonamide, chemical embossing for vinyl flooring, exothermic
UNICELL® MS 180 D ca. 180°C 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.

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