BS 6236-2:1988
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
View Superseded by
Electrical insulating materials based on mica Methods of test
Hardcopy , PDF
26-10-2018
English
31-05-1988
Important note : Users cannot be edited or removed once added to your Multi user PDF.
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Withdrawn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 |
| 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 |
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.