ASTM C979/C979M is the ASTM standard that covers pigments for integrally colored concrete, helping define a consistent basis for evaluating coloring materials used in concrete production. For buyers, specifiers, and quality teams, this standard matters because it supports clearer product selection and more consistent expectations for colored concrete applications. By focusing on pigment requirements and suitability, ASTM C979/C979M helps reduce uncertainty when choosing materials intended to achieve uniform, durable integral color.

What is ASTM C979/C979M?

The standard titled Standard Specification for Pigments for Integrally Colored Concrete addresses pigments intended to be incorporated directly into concrete rather than applied as a surface treatment. ASTM C979/C979M provides a technical framework for identifying pigments used in integral coloring applications and for supporting product consistency in procurement and specification work. In practice, it is used as a reference point when a project needs concrete color materials that can be evaluated against an ASTM specification.

Where is ASTM C979/C979M used?

This standard is commonly used wherever integrally colored concrete is specified, supplied, or reviewed for quality. It is relevant to concrete producers, pigment suppliers, contractors, and project teams that need to coordinate color-related material requirements before placement. ASTM C979/C979M is especially useful in workflows where pigment selection, submittals, and acceptance criteria must align with a recognized ASTM standard for colored concrete materials.

Why is ASTM C979/C979M important?

ASTM C979/C979M matters because it supports more reliable product evaluation and specification control for pigments used in concrete. Using a recognized standard can help reduce ambiguity during procurement, testing, and quality control, especially when color consistency is important to the finished work. It also gives project stakeholders a common technical reference, which can improve compliance review and lower the risk of mismatched expectations between suppliers and users.

• Pigments for integrally colored concrete
• Specification and compliance reference
• Material selection and procurement support
• Quality control for color consistency
• ASTM standard for concrete pigment use