ASTM C267 is the ASTM standard for evaluating the chemical resistance of mortars, grouts, monolithic surfacings, and polymer concretes. It provides a technical basis for checking how these materials perform when exposed to chemicals that may affect durability, appearance, or service life. For engineers, specifiers, and purchasers, this standard helps support more informed material selection and quality control when chemical exposure is a concern.

Purpose of ASTM C267

The purpose of ASTM C267 is to establish test methods for assessing how mortar, grout, monolithic surfacing, and polymer concrete materials respond to chemical exposure. In practical terms, it helps users compare materials under controlled conditions and better understand resistance characteristics relevant to service environments. ASTM C267 is commonly used when chemical durability is an important performance factor, supporting more consistent evaluation of products intended for demanding applications.

Common use cases of ASTM C267

This standard is commonly referenced when selecting or qualifying materials used in chemical-exposed flooring, linings, repairs, and protective surfacing systems. It is also useful in product testing, specification writing, and procurement for construction or maintenance projects where chemical attack may be a concern. ASTM C267 can support comparisons between different mortar, grout, and polymer concrete formulations during development, acceptance testing, or performance review.

Why ASTM C267 matters

ASTM C267 matters because chemical resistance is often a key factor in long-term performance, especially for materials used in exposed or aggressive service conditions. The standard helps improve consistency in testing and gives buyers and engineers a more reliable way to evaluate product suitability. Using ASTM C267 can reduce uncertainty in selection, support compliance-focused procurement, and aid quality control when material durability must be demonstrated rather than assumed.

• Chemical resistance evaluation
• Mortars, grouts, and surfacing systems
• Polymer concrete performance checks
• Product qualification and quality control