Archive for April 30th, 2009

The following question was submitted by a company in India, if you have any suggestions or advice, please post them in the comments below…

PUR Core Sandwich Panels produced in a discontinuous process using Stainless Steel or Prepainted Steel skins when used in Freezer Rooms or Cold Rooms with sub zero temperature conditions for a prolonged period of over 3-5 years, show signs of delamination of the Core, and also shrinkage. What is the reason and how to avoid this kind of problems?