BS 5617:1985
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Specification for urea-formaldehyde (UF) foam systems suitable for thermal insulation of cavity walls with masonry or concrete inner and outer leaves
Hardcopy , PDF
01-02-2024
English
07-31-1985
Foreword
Committees responsible
Specification
0. Introduction
1. Scope
2. Definitions
3. Property requirements
4. Processing requirements
5. Shelf-life limitations of foam system components
Appendices
A. Method for determination of effective density
B. Method for determination of linear shrinkage
C. Method for determination of water absorption
D. Method for determination of wet density
E. Method for determination of foam system gel time
F. Method for determination of foam system stability
G. Method for determination of foam system appearance
H. Method for determination of solid resin yield
J. Method for determination of free formaldehyde
content of UF resin
K. Method for determination of water tolerance of
UF resin
L. Method for determination of total acidity of
foaming hardeners
M. Method for determination of resin viscosity by the
break time method
Tables
1. Property requirements: type tests
2. Property requirements: quality control tests
3. Limiting values and permissible deviations for
foam system components
4. UF resin: shelf-life limitations
5. Water tolerance conversion
Figures
1. Test sample for effective density and shrinkage
tests
2. Determination of foam system gel time
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