Foreword
Cooperating organizations
Specification
1. Scope
2. References
3. Classification of fluxes
4. Physical condition
5. Packaging and marking
6. Test methods
6.1 Test for fluxing efficiency
6.2 Test for corrosion
6.3 Determination of insulation resistance
6.4 Test for hardness and homogeneity of rosin-based
fluxes
6.5 Determination of mould growth resistance
6.6 Determination of non-volatile matter in rosin-based
fluxes (gravimetric method)
6.7 Determination of halide content
6.8 Determination of zinc content
6.9 Determination of ammonia content
6.10 Determination of the water-extractable acid
content of rosin-based fluxes (volumetric method)
7. Purchasing requirements for each class of flux
7.1 Flux class 1, inorganic halides with or without
inorganic acids
7.2 Flux class 2, phosphoric acid and derivatives
7.3 Flux class 3, halides of organic compounds
7.4 Flux class 4, organic acids
7.5 Flux class 5, activated rosins; 5a, activators
containing halide; 5b, activators not containing
halide
7.6 Flux class 6, non-activated rosins
7.7 Flux class 7, other organic compounds
Tables
1. Test materials and operating temperatures
2. Summary of purchasing requirements
Figures
1. Example of a jig for holding the sheet metal test
piece
2. Dimensions of penetrator, die and blank-holder
3. Apparatus for the determination of insulation
resistance
4. Apparatus for the determination of ammonia content