ASTM D279
Standard Test Methods for Bleeding of Pigments
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About This Item
ASTM D279 is the ASTM standard for Standard Test Methods for Bleeding of Pigments, providing a technical basis for evaluating how pigments behave when exposed to conditions that may cause color transfer or migration. This matters because bleeding can affect appearance, consistency, and overall product performance in pigmented materials. By using a recognized test framework, manufacturers and laboratories can better compare results, support quality control, and assess whether a pigment is suitable for a given application.
Purpose of ASTM D279
The purpose of ASTM D279 is to define standard test methods for checking the bleeding characteristics of pigments. In practical terms, it helps establish a consistent way to observe and compare whether a pigment may release color under specified test conditions. That makes the standard useful for evaluation, formulation work, and incoming material review. As an ASTM standard, it supports more reliable technical decisions by giving users a common reference for test procedure and interpretation.
Common use cases of ASTM D279
ASTM D279 is commonly used in laboratory and quality control settings where pigment performance needs to be assessed before or during production. It may be applied when reviewing pigment lots, comparing materials from different sources, or checking whether a pigment is appropriate for a finished product. The standard is also useful in product development workflows where color stability and resistance to bleeding are important considerations for material selection and acceptance.
Why ASTM D279 matters
This standard matters because pigment bleeding can lead to inconsistent appearance, product rejection, or performance issues in the final application. ASTM D279 helps create a repeatable basis for testing, which supports compliance efforts, purchasing decisions, and internal quality control. It can also reduce risk by giving manufacturers and specifiers a clearer way to evaluate pigment behavior before materials are approved for use. For technical teams, that consistency is often essential.
- Standard test methods for pigment bleeding
- Supports comparison of pigment behavior
- Useful for quality control and evaluation
- Helps assess color stability concerns
- Common reference for technical review
- Publication Date: 2023-06-22
- Publisher: ASTM
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