BS 5241-2:1991
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Rigid polyurethane (PUR) and polyisocyanurate (PIR) foam when dispensed or sprayed on a construction site Specification for dispensed foam for thermal insulation or buoyancy applications
Hardcopy , PDF
02-01-2024
English
31-05-1991
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Committees responsible
Foreword
Specification
1. Scope
2. Designation
3. Composition
4. Sampling
5. Physical properties
6. Marking
Appendices
A. Notes for designers
B. Guidance on thermal conductivity design and 3 day
values
C. Burning characteristics of polyurethane and
polyisocyanurate rigid foams and recommendations
regarding their use
Tables
1. Physical properties
2. Designation codes for thermal conductivity
Presents physical property and compositional requirements for dispensed polyurethane (PUR) and polyisocyanurate (PIR) foams used for thermal insulation of external surfaces and for positive buoyancy, e.g. small boats, buoys or pontoons, for surface applications.
| Committee |
B/540
|
| DevelopmentNote |
Supersedes 90/36146 DC and BS 5241(1975) (09/2003) Reviewed and confirmed by BSI, November 2012. (10/2012)
|
| DocumentType |
Standard
|
| Pages |
10
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| Supersedes |
This Part of BS 5241 specifies the physical property and compositional requirements for dispensed polyurethane (PUR) and polyisocyanurate (PIR) foams used for thermal insulation of external surfaces and for positive buoyancy, e.g. small boats, buoys or pontoons, for surface applications.
NOTE The titles of publications referred to in this standard are listed on the inside back cover.
| BS 4508-3:1977 | Thermally insulated underground pipelines General requirements for cased systems without air gap |
| BS 5241-1:1989 | Rigid polyurethane (PUR) and polyisocyanurate (PIR) foam when dispensed or sprayed on a construction site Specification for sprayed foam thermal insulation applied externally |
| BS 4508-4:1977 | Thermally insulated underground pipelines Specific testing and inspection requirements for cased systems without air gap |
| BS 4370-2:1973 | Methods of test for rigid cellular materials Methods 6-10 |
| BS 4735:1974 | Laboratory method of test for assessment of the horizontal burning characteristics of specimens no larger than 150 mm x 50 mm x 13 mm (nominal) of cellular plastics and cellular rubber materials when subjected to a small flame |
| BS 4508-2(1973) : LATEST | ASBESTOS CEMENT CASED SYSTEM WITH AIR GAP |
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