Dow withdraws Questra® from its product range | Durethan® and Pocan® as ideal alternatives The Durethan and Pocan brands marketed by LANXESS provides proven as well as newly developed products as ideal alternatives for Questra®, which DOW has taken from the market.
The following table lists products from the Durethan and Pocan range that correspond to individual Questra® grades.
Questra Comparison of Grades Overview
In view of the completely different chemical synthesis and the dissimilar structure of Questra® a straight swap is naturally not possible. The shrinkage of the Durethan and Pocan products is presented as a main factor in the selection criteria.
Production in existing molds, with the necessary adjustments to the processing parameters, is therefore fairly straightforward. The fulfilment of further important properties is identified by corresponding symbols in the table.
Further information is provided in our data sheets that can be downloaded from the TechCenter.
_Data Sheets Durethan _Data Sheets Pocan
If you need more detailed information, please mail your questions to our Technical Product Service for High Performance Materials. ![](/_techcenter_images/1px.gif) _Contact ![](/_techcenter_images/1px.gif)
Questra® is a registered trademark of DOW Chemical Company ![](/_techcenter_images/1px.gif) | | | |