ISO 22553-9-2020 Paints and varnishes – Electrodeposition coatings – Part 9: Baking loss

preface
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ISO 22553-9-2020 Paints and varnishes – Electrodeposition coatings – Part 9: Baking loss

introduce
Baking loss of electrodeposited coatings is not an absolute parameter, but depends on the temperature used during the test and the duration of the test. Therefore, when using this method, only the relative value and not the true value of the drying loss can be obtained.

Relative mass loss factors, relative reaction loss factors and relative total bake loss factors can be calculated relative to coated and ventilated, pre-dried and baked test plates. Calculations are specified in Appendix A.

1 Scope of application
This document specifies a method for determining the volatile content of electrodeposition coatings (electrophoretic paints) used in the automotive industry and other general industrial applications (e.g. chiller, consumer goods, radiators, aerospace, agriculture) during baking (baking loss).

2 Normative reference files
When the following documents are referenced in the context, part or all of them constitute the requirements of this document. For dated references, citation-only versions apply. For undated citations, the most recent version of the referenced document (including any amendments) applies.

ISO 1514, Paints and varnishes — Standard plates for testing

ISO 4618, Paints and varnishes – Terms and definitions

ISO 22553-1, Paints and varnishes – electrodeposited coatings – Part 1: Vocabulary

ISO 23321, Paints and varnishes solvents – softening water for industrial applications – Specification and test methods

3 Terms and Definitions
For the purposes of this document, the terms and definitions given in ISO 4618 and ISO 22553-1 apply.

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