INTRODUCTION
1 Scope
2 Normative references
3 Conditioning of test specimens
4 Drying of test specimens
4.1 Method A (preferable)
4.2 Method B
5 Dimensions
5.1 Thickness
6 Mechanical tests
6.1 Flexural strength and load to produce a standard
deflection
6.2 Apparent modulus of elasticity in flexure
7 Compressibility
7.1 Principle
7.2 Test apparatus
7.3 Test pieces
7.4 Procedure
7.5 Results
8 Electric strength in oil
8.1 General and conditioning
8.2 Electric strength along laminate (edgewise electric
strength)
9 Internal ply strength, thermal resistance and oil
compatibility
9.1 Principle
9.2 Test specimens
9.3 Test apparatus
9.4 Procedure
9.5 Determination of the flexural strength
9.6 Results
10 Apparent density
10.1 Test specimens
10.2 Procedure
10.3 Results
11 Moisture content
12 Shrinkage in air after drying
12.1 Test specimens
12.2 Procedure
12.3 Results
13 Oil absorption
13.1 Test specimens
13.2 Procedure
13.3 Results
14 Ash content
14.1 Procedure
14.2 Results
15 Contamination of liquid dielectrics
15.1 Apparatus
15.2 Test specimens
15.3 Procedure
15.4 Results
16 Conductivity of aqueous extract
16.1 Procedure
16.2 Results
17 pH of aqueous extract
Annex ZA (normative) Normative references to international
publications with their corresponding European
publications