BS 4840-2:1994
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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) foam in slab form Specification for PUR foam for use in refrigerator cabinets, cold rooms and stores
Hardcopy , PDF
02-01-2024
English
15-01-1994
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Committees responsible
Foreword
Specification
1. Scope
2. References
3. Designation
4. Composition and form
5. Sampling
6. Physical properties
7. Dimensional tolerances
8. Marking
Annexes
A. (informative) Guidance for designers
B. (informative) Burning properties of PUR foam and
recommendations regarding its use
C. (informative) Guidance intended to minimize fire
hazards
D. (normative) Method for the determination of
apparent water absorption
Tables
1. Designation codes for thermal conductivity
2. Physical property requirements
3. Dimensional tolerances for lengths, widths and
diagonals
List of references
Specifies requirements for the physical properties, composition and dimensional tolerances of rigid polyurethane (PUR) foam in the form of slabs for the thermal insulation of refrigerator cabinets, cold stores and cold rooms. Includes detailed annexes and tables.
| Committee |
B/540
|
| DevelopmentNote |
Supersedes BS 4840-2(1985) & 92/46316 DC. (07/2005) Reviewed and confirmed by BSI, November 2012. (10/2012)
|
| DocumentType |
Standard
|
| Pages |
12
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| Supersedes |
This Part of BS 4840 specifies requirements for the composition, physical properties and dimensional tolerances of rigid polyurethane (PUR) foam in the form of slabs (blocks, boards and sheets) for the thermal insulation of refrigerator cabinets (domestic and commercial), cold rooms and cold stores.
| BS 4840-1:1985 | Rigid polyurethane (PUR) foam in slab form Specification for PUR foam for use in transport containers and insulated vehicle bodies |
| BS 2502:1979 | Specification for manufacture of sectional cold rooms (walk-in type) |
| BS 3456-202.24(1990) : 1990 | SPECIFICATION FOR SAFETY OF HOUSEHOLD AND SIMILAR ELECTRIC APPLIANCES - PARTICULAR REQUIREMENTS - REFRIGERATORS AND FOOD FREEZERS |
| 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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