BS 5734-1:1990
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Polyester moulding compounds for electrical and other purposes Methods of test
Hardcopy , PDF
05-25-2005
English
10-31-1990
Committees responsible
Foreword
Methods
1 Scope
2 Definition
3 Method 1. Method for the determination of mass per
unit area and mass distribution of uncured sheet
compounds
4 Method 2. Method for the determination of glass
content of both cured and uncured materials
5 Method 3. Method for the determination of
deflection under load at 100 deg C of cured
materials
6 Method 4. Method of test for oxygen index of cured
materials
7 Method 5. Method for the determination of
temperature index of cured materials
8 Method 6. Power arc test of cured materials
9 Method 7. Inclined-plane tracking test of cured
materials
10 Method 8. Flexural strength of cured materials
11 Method 9. Flexural strength at elevated temperature
of cured materials
12 Method 10. Flexural modulus of cured materials
13 Method 11. Impact strength of cured materials
Appendix
A Adjustment of natural frequency and damping of test
circuit for power arc test of cured materials
Table
1 Exposure temperature and exposure period for
determination of temperature index of cured
materials
Figures
1 Apparatus for determination of deflection under
load at 100 deg C
2 Power arc test: schematic test circuit
3 Power arc test: contact assembly
4 Power arc test: dimensions of test piece
5 Power arc test: adjustment of frequency and damping:
test circuit
6 Power arc test: adjustment of frequency and damping:
oscilloscope display
7 Power arc test: adjustment of frequency and damping:
oscilloscope display after damping
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