BS 5664-2.1(1979) : 1979

National foreword
Cooperating organizations
Introduction
1 Scope
2 General notes on tests
Section one - Tests for materials before cure
3 Density
4 Viscosity
5 Needle penetration with respect to time
6 Softening temperature
7 Ash content
8 Filler content
9 Acid-value of polyester resins
10 Hydroxyl content of polyester resins
11 Determination of volatile content at elevated
    temperatures
12 Epoxy content of epoxy resins
13 Halogen content
14 Shelf-life
15 Pot-life
16 Gel-time
17 Exothermic temperature peak
18 Curing in thick layers
19 Curing in thin layers
20 Total shrinkage
21 Special tests for solventless varnishes
Section two - Tests for materials in the cured form
22 General notes on test pieces
23 Density
24 Flexural strength
25 Tensile strength and elongation at break
26 Impact strength
27 Bond strength
28 Hardness
29 Coefficient of linear thermal expansion
30 Thermal conductivity
31 Thermal shock
32 Temperature of deflection under load
33 Flammability
34 Water absorption
35 Water vapour permeability
36 Surface resistivity and volume resistivity
37 Dissipation factor and permittivity
38 Electric strength
39 Electrolytic corrosion
40 Tracking resistance
41 Discharge resistance
42 Thermal endurance
Figures