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ASTM C591-08
Standard Specification for Unfaced Preformed Rigid Cellular Polyisocyanurate Thermal Insulation
Automatische name übersetzung:
Standard-Spezifikation für Unfaced Preformed Starre Polyisocyanurat Cellular Wärmedämmung
NORM herausgegeben am 1.6.2008
Informationen über die Norm:
Bezeichnung normen: ASTM C591-08
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.6.2008
SKU: NS-14149
Zahl der Seiten: 6
Gewicht ca.: 18 g (0.04 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Die Annotation des Normtextes ASTM C591-08 :
Keywords:
cellular plastic, polyisocyanurate, polyurethane modified polyisocyanurate, thermal insulation, Cellular thermal insulation--specifications, Polyisocyanurate insulation, Preformed thermal insulation--specifications, Rigid thermal insulation--specifications, Thermal insulating materials--specifications, Unfaced thermal insulation--specifications
Ergänzende Informationen
| 1. Scope | ||||||||||||||||||||||||||||||||||||||||||||||||||
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1.1 This specification covers the types, physical properties, and dimensions of unfaced, preformed rigid cellular polyisocyanurate plastic material intended for use as thermal insulation on surfaces from − 297°F (−183°C) to 300°F (150°C). For specific applications, the actual temperature limits shall be agreed upon by the manufacturer and purchaser. 1.2 This specification only covers “polyurethane modified polyisocyanurate” thermal insulation which is commonly referred to as “polyisocyanurate” thermal insulation. This standard does not encompass all polyurethane modified materials. Polyurethane modified polyisocyanurate and other polyurethane materials are similar, but the materials will perform differently under some service conditions. 1.3 This standard is designed as a material specification, not a design document. Physical property requirements vary by application and temperature. At temperatures below - 70°F (- 51°C) the physical properties of the polyisocyanurate insulation at the service temperature are of particular importance. Below - 70°F (- 51°C) the manufacturer and the purchaser must agree on what additional cold temperature performance properties are required to determine if the material can function adequately for the particular application. 1.4 Tables in the Annex A1 address requirements of unfaced preformed rigid cellular polyisocyanurate thermal insulation manufactured with HCFC blowing agent. 1.5 The use of thermal insulation material covered by this specification may be regulated by building codes that address fire performance. 1.6 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.7 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. |
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| 2. Referenced Documents | ||||||||||||||||||||||||||||||||||||||||||||||||||
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