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Significance and Use
This practice facilitates the selection and application of an insulation system for use at service temperatures between − 30 and + 107°C (−22 and + 225°F). Although the successful installation of spray-applied PUR/PIR is influenced by many factors, this practice treats those four areas found to be of major importance:
(1) Substrate preparation,
(2) Substrate priming,
(3) Insulation application, and
(4) Protective coatings.
Abrasive blasting, primer application, spray application of the insulation, and protective coating application each contribute their unique health and safety hazards to the job site and will be dealt with in more detail under their respective headings.
1.1 This practice concerns itself with the substrate preparation and priming, the selection of the rigid cellular polyurethane system, and the protective insulation coatings for outdoor service equipment.
Note 1—For the purpose of this practice, polyurethane is defined to mean either polyurethane or polyisocyanurate and is hereafter referred to as “PUR/PIR.”
1.2 The values given in inch-pound are to be regarded as the standard. The values given in parentheses are for information only.
1.3 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
C168 Terminology Relating to Thermal Insulation
D883 Terminology Relating to Plastics
D1600 Terminology for Abbreviated Terms Relating to Plastics
D2200 Practice for Use of Pictorial Surface Preparation Standards and Guides for Painting Steel Surfaces
American National StandardsZ87.1 Practice for Occupational and Educational Eye and Face Protection Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.
National Association of Corrosion Engineers StandardTM-01-70 Visual Surface Preparation Panels Available from NACE International (NACE), 1440 South Creek Dr., Houston, TX 77084-4906, http://www.nace.org.
Clemtex Limited StandardAnchor Pattern Standard Available from Clemtex Ltd., P.O. Box 15214, Houston, TX 77020.
Other DocumentsSafety Precautions in Handling and Spraying of PUR/PIR Systems Spray Polyurethane Foam Alliance (SPFA), 4400 Fair Lakes Ct, Suite 105, Fairfax, VA, http://sprayfoam.org, Alliance for the Polyurethane Industry (API), 1300 Wilson Blvd Suite 800, Arlington, VA 22209, http://polyurethanes.org
ICS Number Code 83.100 (Cellular materials)
UNSPSC Code 30140000(Insulation)
ASTM C945-05(2012), Standard Practice for Design Considerations and Spray Application of a Rigid Cellular Polyurethane Insulation System on Outdoor Service Vessels , ASTM International, West Conshohocken, PA, 2012, www.astm.orgBack to Top