BS 6236-2:1988
Withdrawn
View Superseded by
Electrical insulating materials based on mica Methods of test
Hardcopy , PDF
English
05-31-1988
10-26-2018
National foreword
Committees responsible
Methods
Introduction
1 Scope
2 Preparation of test specimens for curable materials
3 Thickness
4 Density
5 Apparent density
6 Composition
7 Tensile strength and elongation at break
8 Flexural strength and elastic modulus in bend
9 Folding
10 Stiffness
11 Resistance to exudation and displacement
12 Elastic compression and plastic compression
13 Resin flow and consolidation
14 Gel time
15 Electric strength
16 Dissipation factor/temperature characteristics at
frequencies of between 48 Hz and 62 Hz
17 Dissipation factor/voltage characteristics at
frequencies of between 48 Hz and 62 Hz
18 Detection of defects and conductive particles
19 Penetration
20 Thermal endurance
Figures
1 Assembly of stacks for preparing test laminates
2 Conditions for press procedure
3 Apparatus for measurement of stiffness
4 Apparatus for measurement of stiffness
5 Elastic compression, plastic compression
6 Standard Williams type penetrometer
Tests which are applicable to built-up mica materials, products based on them and mica paper.
| Committee |
GEL/15
|
| DocumentType |
Standard
|
| Pages |
24
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| SupersededBy |
| Standards | Relationship |
| IEC 60371-2:2004 | Identical |
| IEC 60371-2:1987 | Identical |
| BS EN 60371-3-3:1995 | Specification for insulating materials based on mica. Specifications for individual materials Specification for rigid mica materials for heating equipment |
| IEC 60250:1969 | Recommended methods for the determination of the permittivity and dielectric dissipation factor of electrical insulating materials at power, audio and radio frequencies including metre wavelengths |
| IEC 60243:1967 | Recommended methods of test for electric strength of solid insulating materials at power frequencies |
| IEC 60371-3-1:2006 | Specification for insulating materials based on mica - Part 3: Specifications for individual materials - Sheet 1: Commutator separators and materials |
| BS 2782-3 Method 335A:1978 | Methods of testing plastics. Mechanical properties Determination of flexural properties of rigid plastics |
| IEC 60216-1:2013 | Electrical insulating materials - Thermal endurance properties - Part 1: Ageing procedures and evaluation of test results |
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