... available(black,white,gray more cheaper)5)form/shape:big sheet,blocks,roll, embossed/textured/designed,or even more smaller like A4 ... heat gain or loss in chilled water systeml,cold and hot water plumbing,refrigerated pipes,air-conditioning ductwork and equipment.Characteristics ... , 4, 3, 3, 2.5)-Packaging:In plastic bag per roll, standard size as below(Thickness×Width×Length)1/4 Inch ...