https://biz.prlog.org/tag/polyiso/ polyiso - Free business directory on PRLog.Org, latest companies listed first. 60 https://biz.prlog.org/dyplast/ Dyplast Products provides high R-value polyisocyanurate and phenolic rigid foam insulation, primarily ISO-C1 for use in demanding pipe applications such as cryogenic (e.g.LNG), refrigerant (ammonia and CO2), and chilled water.Tue, 05 Mar 2013 22:51:00 GMT