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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Polyester moulding compounds for electrical and other purposes Methods of test
Hardcopy , PDF
25-05-2005
English
31-10-1990
Important note : Users cannot be edited or removed once added to your Multi user PDF.
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
Methods of test specific to polyester moulding compounds. They have been updated to take into account changes to the international methods.
| Committee |
PRI/42
|
| DocumentType |
Standard
|
| Pages |
14
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| BS 4549-1:1997 | Guide to quality control requirements for reinforced plastics mouldings Guide to the preparation of a scheme to control the quality of glass reinforced polyester mouldings |
| BS 5734-5:1990 | Polyester moulding compounds for electrical and other purposes Specification for sheet moulding compounds for mechanical purposes |
| BS 5734-4:1990 | Polyester moulding compounds for electrical and other purposes Specification for sheet moulding compounds for electrical purposes |
| BS 5734-2:1990 | Polyester moulding compounds for electrical and other purposes Specification for dough moulding compounds for electrical purposes |
| BS 5734-3:1990 | Polyester moulding compounds for electrical and other purposes Specification for dough moulding compounds for mechanical purposes |
| BS 2782-3 Method 359:1984 | Methods of testing plastics. Mechanical properties Determination of Charpy impact strength of rigid materials (Charpy impact flexural test) |
| BS 2782-1 Methods 121A to 121C:1976 | Methods of testing plastics. Thermal properties Determination of temperature of deflection under a bending stress of 1.8 MPa, of plastics and ebonite. Determination of temperature of deflection under a bending stress of 0.45 MPa, of plastics and ebonite. Determination of temperature of deflection under a bending stress, of rigid thermosetting resin bonded laminated sheet |
| BS 2782-3 Method 335A:1978 | Methods of testing plastics. Mechanical properties Determination of flexural properties of rigid plastics |
| BS 2782-1 Method 141:1986 | Methods of testing plastics. Thermal properties Determination of flammability by oxygen index |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.