Alkali-Activated Slag Adhesive

Replaces Epoxy in High Heat

An inorganic adhesive based on metakaolin and slag, alkali-activated to replace epoxy resin and endow FRP structural rehabilitation with high-temperature resistance.

Fang, Yuan · Lu, Zhang · Li, Chen · Yang, Zhixin · Qian, Yuandi · Bu, Shuangshuang · Chen, Depeng

Engineering Failure Analysis 2026

Advantages

Highest adhesive strength at water-to-binder ratio 0.42 and MK-to-BFS ratio 2/8

Compressive, flexural, and tensile strengths follow similar trends with mixing ratios

Setting time increases with higher metakaolin content