Epirez Supatuff Acid Resistant Coating (AR) 4L
Available
Epirez is an Australian epoxy systems brand supplying structural epoxy grouts, floor coatings, concrete repair compounds, crack sealers, chocking compounds, and acid-resistant coatings to construction, mining, processing, and industrial maintenance operations across Australia. This page covers the Epirez® Supatuff Acid Resistant Coating (AR), available in 2 size (l) options: 4, 16.
Epirez Supatuff AR acid resistant epoxy coating provides chemical and acid protection on concrete and steel floors in chemical processing, battery rooms, and acid-handling environments.
Where this product is used
Epirez acid resistant epoxy coating products are used across construction, industrial maintenance, mining, and processing plant projects.
- Battery rooms, acid storage areas, and chemical handling facilities.
- Chemical processing plant floors and containment bunds subject to acid spillage.
- Concrete protection where standard epoxy coatings have failed due to chemical attack.
Key specifications
| Specification | Detail |
|---|---|
| Mix ratio | 1 part hardener : 3 parts compound (by volume only) |
| Pot life (25°C) | 45 minutes |
| Tack-free time | 6 hours @ 25°C |
| Recoat time | 8–24 hours @ 25°C |
| Full cure (chemical resistance) | 7 days @ 25°C — foot traffic possible within 24 hours |
| Tensile bond strength | 2.7 MPa (concrete substrate failure) |
| Recommended coats | Minimum 2 coats to achieve 300 micron DFT |
| Coverage rate | 24m² per coat @ 150 micron DFT (a 4L pack covers approx. 12m² for 2 coats) |
| Solids content | 90% v/v |
| Chemical resistance | Resists 98% sulphuric acid plus a range of alkalies and solvents |
| Maximum service temperature | 65°C |
| Application temperature | 10–30°C |
| Colour | Grey |
| Shelf life | 2 years in sealed containers, stored 10–30°C, protect from frost |
| Pack sizes available | 4L, 16L |
Selecting the right option
Supatuff AR suits moderate acid exposure — for severe or concentrated acid, consider a tile or brick lining system. Prime the concrete substrate before applying Supatuff AR. Confirm chemical compatibility with the specific acids present in your environment before specifying.
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Epirez® Supatuff Acid Resistant Coating (AR): 4
SKU: A0124376 | Model: E992856
Size (L) 4. Supatuff Acid Resistant Coating (AR)
Broad chemical resistance.
A specially formulated acid-resistant coating designed for application to concrete where extreme chemical resistance is required for both horizontal and vertical concrete surfaces.
It resists a wide range of acid spills including concentrated sulphuric acid, as well as alkali and solvents.
Areas of Application:
Chemical process areas.
Mining industries.
Bund and pit coatings.
Food industries.