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BS 5241-2:1991

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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
Available format(s)

Hardcopy , PDF

Withdrawn date

02-01-2024

Language(s)

English

Published date

31-05-1991

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.

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.

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Withdrawn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

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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