A heat or acid resistant, three component (base [1], solidifier [2], and aggregate [3]) epoxy system for the repair and protection of concrete, stonework, and other rigid substrates subjected to mechanical (e.g. impact, abrasion) and chemical attack Note: Belzona 4181 contains closely packed acid resistant fillers. Note: Belzona 4181 uses two conditioners: Belzona 4911 for applications in chemical environments at ambient temperatures and Belzona 4981 for applications at elevated temperatures. Refer to Instructions for Use for further details.