Positive feedback for prototyping resin
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DSM Somos product story
Edited by the Engineeringtalk editorial team
Apr 27, 2006
Multi-purpose stereolithography resin combines the mechanical performance of polypropylene with an aesthetic similar to white injection moulded materials.
DSM Somos has announced the commercial availability of its Somos 9420 EP-White multi-purpose stereolithography (SL) resin.
Combining the mechanical performance of polypropylene with an aesthetic similar to white injection moulded materials, EP-White has received positive reviews from the rapid prototyping (RP) industry since its introduction in autumn 2005.
"Somos 9420 builds on the standard-setting performance of Somos 9120 for creating functional prototypes", said DSM Somos Marketing Manager Eva Montgomery.
"The feedback we've received from our beta test sites and their customers, particularly regarding parts made for the automotive sector, has been quite remarkable".
"Early market acceptance of Somos 9420 EP-White will allow Somos to begin offering 9420 through all its distribution channels as of 30th April 2006".
Al Dewitt, President of RP service bureau Rapid Solutions, said: "This material is strong, resilient and less likely to snap than other SL resins when performing fit and function testing".
"In addition, customers really like the way the 9420 parts show thanks to their bright white colour and excellent side wall quality".
Due to the finishing quality and accuracy of Somos 9420 part builds, Michigan-based service bureau Select Manufacturing has also been using the resin to build patterns for silicone moulding.
EP-White's flexibility makes it useful for a broad range of applications including snap fit parts, living hinges and patterns.
Jennifer Schaffner, Prototype Manager of GTC Specialties, said: "Somos 9420 EP-White is the best SL material I have seen for living hinges".
"Living hinges made from 9420 were able to be flexed back and forth multiple times without breaking, something most SL resins can not stand up to".
EP-White is proving to be a robust resin choice, a critical factor for cost effective part builds.
Ross Gates, President of Select Manufacturing, reported 100% completion of all builds in the two plus months that he has been running Somos 9420 EP-White.
This is especially significant considering Gates averages 15 builds per week.
"We're confident that Somos 9420 is going to be a very popular resin for functional prototyping in a variety of market sectors", said Montgomery.
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