{"id":6958,"date":"2012-04-01T00:00:00","date_gmt":"2012-04-01T00:00:00","guid":{"rendered":"https:\/\/insulation.org\/io\/articles\/exploring-insulation-materials-9\/"},"modified":"2017-06-09T20:25:05","modified_gmt":"2017-06-09T20:25:05","slug":"exploring-insulation-materials-9","status":"publish","type":"articles","link":"https:\/\/insulation.org\/io\/articles\/exploring-insulation-materials-9\/","title":{"rendered":"Exploring Insulation Materials"},"content":{"rendered":"

Polystyrene<\/span><\/b><\/p>\n

Polystyrene thermal insulation is rigid, cellular foam
\ninsulation. It is commonly classified as either Expanded Polystyrene Foam (EPS)
\nor Extruded Polystyrene Foam (XPS). XPS is a closed-cell material manufactured
\nas rectangular billets, typically 20 in wide x 9 ft long x 10 in tall. Prior to
\nactual installation, billets are fabricated into various shapes including
\npreformed pipe half-shells 3 ft long designed to fit NPS pipe and tubing.
\nComplex shapes can also be fabricated to fit valves, fittings, and other
\nequipment. ASTM material specification C 578 covers several types of
\npolystyrene insulation, but Type XIII is usually specified for mechanical
\napplications and covers service temperatures from -297\u00b0F to +165\u00b0F. The
\nstandard contains requirements for compressive resistance, flexural strength,
\nthermal conductivity, water absorption, water vapor permeability, and
\ndimensional stability. For comparison purposes, the thermal conductivity of the
\nType XIII XPS is a maximum of 0.259 Btu-in\/hr-ft\u00b2-\u00b0F at 75\u00b0F.<\/span><\/a><\/p>\n

Key
\napplications for XPS insulation are on pipe, equipment, tanks, and ducts
\noperating at temperatures below ambient. These include food and beverage lines,
\nand refrigeration lines.<\/span><\/p>\n

 <\/span><\/p>\n

\n
<\/a>Figure 1<\/b><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Polystyrene Polystyrene thermal insulation is rigid, cellular foam insulation. It is commonly classified as either Expanded Polystyrene Foam (EPS) or Extruded Polystyrene Foam (XPS). XPS is a closed-cell material manufactured as rectangular billets, typically 20 in wide x 9 ft long x 10 in tall. Prior to actual installation, billets are fabricated into various shapes<\/p>\n","protected":false},"author":[],"featured_media":0,"template":"","categories":[37,38,298,294,24,301,21,297,288],"class_list":["post-6958","articles","type-articles","status-publish","hentry","category-market-research","category-material-selection","category-installation","category-training","category-contracting","category-design","category-business-managment","category-basic-understanding","category-fabrication"],"acf":[],"yoast_head":"\nExploring Insulation Materials - Insulation Outlook Magazine<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/insulation.org\/io\/articles\/exploring-insulation-materials-9\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Exploring Insulation Materials\" \/>\n<meta property=\"og:description\" content=\"Polystyrene Polystyrene thermal insulation is rigid, cellular foam insulation. It is commonly classified as either Expanded Polystyrene Foam (EPS) or Extruded Polystyrene Foam (XPS). XPS is a closed-cell material manufactured as rectangular billets, typically 20 in wide x 9 ft long x 10 in tall. 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