ASTM C881/C881M is the ASTM standard that defines the specification for epoxy-resin-base bonding systems for concrete. It is used to describe material requirements for products intended to bond concrete surfaces and related construction work. This standard matters because it gives buyers, specifiers, and quality teams a common technical reference for comparing products and confirming they are intended for the same type of bonding application.

ASTM C881/C881M standard overview

The official title, Standard Specification for Epoxy-Resin-Base Bonding Systems for Concrete, shows that this document focuses on epoxy bonding materials designed for concrete-related use. ASTM C881/C881M is commonly used as a procurement and compliance reference when epoxy-resin-base bonding systems need to meet defined specification requirements. It helps establish a consistent basis for product evaluation, technical submittals, and acceptance criteria, while keeping the discussion centered on the bonding system rather than on a single manufacturer’s formulation.

Where is ASTM C881/C881M used?

This standard is generally used in concrete construction and repair workflows where an epoxy-resin-base bonding system may be selected to improve adhesion between concrete surfaces or between concrete and repair materials. ASTM C881/C881M is relevant in project specifications, materials review, and product selection for concrete bonding applications. It may also be referenced by contractors, engineers, and inspectors who need a recognized standard to identify suitable epoxy bonding products for concrete work.

Practical importance of ASTM C881/C881M

ASTM C881/C881M supports more consistent product selection by giving users a recognized specification for epoxy-resin-base bonding systems for concrete. In practice, that helps reduce procurement ambiguity, supports quality control, and provides a clear basis for testing or review when comparing bonding products. For specifiers and purchasers, it can improve confidence that a product is intended for the same technical purpose and can be evaluated against a common ASTM standard.

• Epoxy-resin-base bonding systems for concrete
• Specification-focused procurement reference
• Concrete bonding product evaluation
• Quality control and compliance support