Aging and Settling Samples. a) For polyurethane, polyisocyanurate, and extruded polystyrene, the tests must be done on samples that fully represent the effect of aging on the product's R-value. To age the sample, follow the procedure in paragraph 4.6.4 of GSA Specification HH–I–530A, or another reliable procedure such as the following:
Appears in 5 contracts
Samples: www.energystar.gov, www.energystar.gov, www.energystar.gov
