Test methods for industrial rigid laminated sheets based on thermosetting resins for electrical purpose
1 Scope
This standard specifies the test methods for industrial rigid laminated sheets based on thermosetting resins for electrical purpose.
It is applicable to industrial rigid laminated sheets based on thermosetting resins for electrical purpose.
2 Normative references
The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. At the time of publication, all the editions listed are valid. All normative documents are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below.
GB 1033-86 Test method for density and relative density of plastics
GB 1034-86 Plastics - Determination of water absorption
GB/T 1040-92 Plastics - Determination of tensile properties
GB/T 1041-92 Plastics - Determination of compressive properties
GB/T 1043-93 Plastics - Determination of charpy impact strength of rigid materials
GB 1408-89 Methods of test for electric strength of solid insulating materials - Tests at power frequencies
GB 1409-89 Methods for the determination of the permittivity and dielectric dissipation factor of solid electrical insulating materials at power, audio and radio frequencies including metre wavelengths
GB/T 1843-1996 Plastics - Determination of izod impact strength
GB 2536-90 Transformer oils
GB 4207-84 Method for determining the comparative and the proof tracking indices of solid insulating materials under moist conditions
GB 6553-86 Test methods for evaluating resistance to tracking and erosion of electrical insulating material used under severe ambient conditions
GB 9341-88 Plastics - Determination of flexural properties
GB 10064-88 Methods of test for the determination of the insulation resistance of solid insulating materials
GB 10580-89 Standard conditions for use prior to and during the testing of solid insulating materials
GB 10582-89 Test methods for determining electrolytic corrosion with insulating materials
GB 11020-89 Test methods for the determination of the flammability of solid electrical insulating materials when exposed to an igniting source
GB 11026.1-89 Guide for the determination of thermal endurance properties of electrical insulating materials - Part 1: General guidelines for ageing procedures and evaluation of test results
3 Specimen pretreatment and test environmental conditions
Unless otherwise specified, the specimen shall be treated for at least 24h in standard atmosphere B (temperature 23℃±2℃, relative humidity 45% ~ 55%) according to GB 10580.
ntents
Foreword i
IEC Foreword iii
1 Scope
2 Normative references
3 Specimen pretreatment and test environmental conditions
4 Dimensions
5 Mechanical test
6 Electrical test
7 Thermal performance test
8 Physical and chemical properties
