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Section: Polyurethanes
  • Written on 30.11.2011 - Technology
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New surfactant for rigid PU foams

Momentive Performance Materials Inc. has expanded its offering of polyurethane foam additives with the launch of Niax silicone L-6891, a candidate to consider for resin-side addition in the manufacture of rigid polyurethane foams.

According to the company, the surfactant has been shown to be useful for improving insulation foams, particularly those used in refrigerators and cool-store applications. Testing has shown that Niax silicone L-6891 can be used to provide very fine cells, good foam flow, even density distribution and improved surface quality through significantly reduced void formation. The combined effect of fine cells and void reduction can help create foam with constantly low thermal conductivity in all areas of the foamed cabinet, thereby helping to improve the overall energy savings of the end product, says Momentive.


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