ASTM D3723
Standard Test Method for Pigment Content of Water-Emulsion Paints by Low-Temperature Ashing
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About This Item
ASTM D3723 is the ASTM standard for determining pigment content in water-emulsion paints by low-temperature ashing. It provides a practical test method for evaluating how much pigment is present in a coating system without relying on higher-temperature procedures that could affect the sample. For manufacturers, labs, and buyers, this standard helps support more consistent product evaluation, quality control, and comparison of water-emulsion paint formulations.
Purpose of ASTM D3723
The purpose of ASTM D3723 is to describe a test method for measuring pigment content in water-emulsion paints using low-temperature ashing. This technical approach is intended to separate and quantify the nonvolatile pigment portion while limiting the effects of excessive heat on the paint sample. As a result, the standard is useful when a reliable, controlled method is needed for routine testing, formulation review, or specification checking. It is especially relevant when pigment content is an important performance or consistency attribute.
Common use cases of ASTM D3723
This standard is commonly used in coating laboratories, quality control programs, and product development work involving water-emulsion paints. It may support incoming inspection, batch verification, and comparison of paint samples against internal requirements or contract expectations. ASTM D3723 is also useful when a technical team needs a repeatable way to assess pigment content during formulation changes or routine production testing. Its focus makes it most relevant to water-based paint systems rather than general-purpose coating evaluation.
Why ASTM D3723 matters
ASTM D3723 matters because pigment content can influence paint appearance, coverage, and overall consistency. A standard test method helps reduce ambiguity in testing and supports more dependable results across different laboratories or production lots. For procurement and compliance workflows, it offers a clear reference for confirming that a water-emulsion paint meets agreed expectations. Using ASTM D3723 can also help lower risk when evaluating product quality, comparing suppliers, or documenting test results for technical review.
- Water-emulsion paint testing
- Pigment content measurement
- Low-temperature ashing method
- Quality control and verification
- Product comparison and documentation
- Publication Date: 2022-07-13
- Publisher: ASTM
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