ISO 22553-16-2022, Paints and varnishes – Electrodeposition coatings – Part 16: pigment-binder ratio

preface
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This document has been prepared by Technical Committee ISO/TC 35, Paints and Varnishes, Subcommittee SC 9, Common Test Methods for Paints and varnishes.

A list of all the parts in the ISO 22553 series can be found on the ISO website.

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ISO 22553-16-2022, Paints and varnishes – Electrodeposition coatings – Part 16: pigment-binder ratio

introduce
The electrodeposition coating material (e-coat) consists of pigment paste and adhesive. The test method determines the ratio of two components in the electrodeposited coating material.

When determining ash, there is always a percentage loss (burning loss), and then the pigment content is added. Therefore, ash and pigment content is not equivalent. This is accounted for by product-specific correction factors.

The ratio of pigment to binder is the key characteristic that controls the electrophoresis tank.

1 range
This document specifies a test method for determining the pigment-binder ratio.

It is suitable for electrodeposited coatings in the automotive industry and other general industrial applications, such as chiller, consumer products, radiators, aerospace, agriculture.

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, a new version of the referenced document (including any amendments) applies.

ISO 1513, Paints and varnishes — Inspection and preparation of test samples

ISO 3251, Paints, varnishes and plastics – Determination of the content of non-volatile substances

ISO 4618, paints and varnishes — Terms and definitions

ISO 15528, Paints, varnishes and raw materials for paints and varnishes – Sampling

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

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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