Standard Practice for Repair of a Rigid Cellular Polyurethane Insulation System on Outdoor Service Vessels
Standard Practice for Repair of a Rigid Cellular Polyurethane Insulation System on Outdoor Service VesselsC0950-05ASTM|C0950-05|en-USStandard Practice for Repair of a Rigid Cellular Polyurethane Insulation System on Outdoor Service VesselsStandardC950 Standard Practice for Repair of a Rigid Cellular Polyurethane Insulation System on Outdoor Service Vessels>newBOS Vol. 04.06 Committee C16
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Abstract
This practice covers the repair of rigid cellular polyurethane insulation systems on outdoor service vessels operating within a specified temperature range. Before any repairs are performed, all damaged nonadhering foam should be removed up to the dry, solidly adhering layer and the remaining foam insulation should then be beveled on all sides. If the existing substrate primer is damaged, it should be wire-brushed and reprimed where feasible. To protect the surrounding undamaged area, a covering should be installed around the area that needs to be repaired prior to the application of spray foam. Repairs shall be made in accordance with the prescribed procedure.
Scope
1.1 This practice covers the repair of spray-applied polyurethane insulation on vessels normally operating at temperatures between 30 and + 107°C (22 and + 225°F).
1.2 Caution-At temperatures below 0°C (32°F) the application of a spray "foam" directly onto the cold substrate may not be possible. The term "foam" applies to spray-applied polyurethane or polyisocyanurate (PUR or PIR) rigid cellular plastic only, and not to any other plastic insulation.
This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety concerns 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. For a specific precautionary statement see .
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