BS 4841-1:1993
Superseded
Rigid polyurethane (PUR) and polyisocyanurate (PIR) foam for building applications Specification for laminated board for general purposes
Hardcopy , PDF
English
10-15-1993
07-20-2006
Committees responsible
Foreword
Specification
1. Scope
2. Normative references
3. Construction
4. Composition of foam core
5. Designation
6. Sampling
7. Physical properties
8. Dimensions
9. Marking
Annexes
A. Method of test for compressive strength
B. Guidance on thermal conductivity design and 3 day
values
C. Method of test for dimensional stability
D. Burning properties of rigid urethane foam core and
recommendations regarding its use
Tables
1. Designation codes for thermal conductivity
2. Physical property requirements
List of references
Specifies requirements for laminated boards consisting of a core of rigid urethane foam bonded to two flexible facings. Coverage includes construction, dimensions, marking, and physical properties. Also includes tables and annexes.
| Committee |
B/540
|
| DevelopmentNote |
Supersedes BS 4841-1(1975) & 92/46317 DC. (07/2005)
|
| DocumentType |
Standard
|
| Pages |
10
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| Supersedes |
| 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 |
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