BS 4254:1983
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Specification for two-part polysulphide-based sealants
Hardcopy , PDF
31-07-2006
English
30-09-1983
Foreword
Committees responsible
Specification
1 Socpe
2 Definitions
3 General
4 Rheological properties
5 Plastic deformation (recovery)
6 Adhesion and tensile modulus
7 Application life
8 Adhesion in peel
9 Loss of mass after heat ageing
10 Staining
11 Marking and packaging
Appendices
A Test for rheological properties
B Test for plastic deformation (recovery)
C Test for adhesion and tensile modulus
D Test for application life
E Test for adhesion in peel
F Test for loss of mass after heat ageing
G Test for staining
Table
1 Tests for sealants
Figures
1 Typical assemblies used in the adhesion and tensile
modulus test
2 Assembly holding device for the cyclic test
3 Diagram showing arrangement of test strips for the
adhesion in peel test
Requirements for two grades of two-part polysulphide-based sealant intended for use in general building and glazing applications excluding floors subject to vehicular traffic.
| Committee |
B/547
|
| DevelopmentNote |
Supersedes 80/15410 DC Inactive for the new design. (03/2005)
|
| DocumentType |
Standard
|
| Pages |
18
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| BS 12-2:1971 | Portland cement ordinary and rapid hardening part 2 metric units |
| BS 2648:1955 | Performance requirements for electrically-heated laboratory drying ovens |
| BS 1470:1972 | Specification for wrought aluminium and aluminium alloys for general engineering purposes - plate, sheet and strip |
| BS 4550-6:1978 | Methods of testing cement Standard sand for mortar cubes |
| BS 890:1972 | Specification for building limes |
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