Fast-Cure Polyurethane for High Temperature Tooling
Huntsman, Evernerg, Belgium, has launched a new polyurethane resin system Vitrix EST that cures extremely quickly and allows the production of high heat stable modeling, tooling and rapid prototyping boards. According to the company, the availability for the first time of an effective, high temperature stable polyurethane will open up a world of new opportunities in a wide range of sectors including aerospace, automotive, marine and shipbuilding.
With a glass transition temperature (Tg) of 200°C and higher, the new generation Vitrox EST system offers product designers, tooling manufacturers and mold-makers a viable polyurethane alternative to other thermoset-based tooling products – with a number of additional advantages. The fast cure features make it possible to significantly reduce demolding and manufacturing cycle times. This can help manufacturers increase productivity, reduce energy costs and cut carbon emissions. The Vitrox EST system can also be precisely formulated to suit specific requirements – offering added flexibility and broadening scope for innovation.
Vitrox EST system’s high Tg properties mean a constant coefficient of thermal expansion (CTE) from room temperature to 200°C is achievable. This enables the creation of products and tooling boards with improved long-term stability when exposed to high temperatures. Products and tooling boards made with the Vitrox EST system also demonstrate better impact resistance and a good machinability.
Huntsman Polyurethanes Advanced Materials
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