Epirez Patching & Flooring Mortar Aggregate (QA2) 16L
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.
Epirez epoxy aggregate extenders and fillers provide the granular component for mixing with Epirez epoxy binders to produce mortars, grouts, and flooring compounds on site.
Where this product is used
Epirez epoxy aggregate products are used across construction, industrial maintenance, mining, and processing plant projects.
- Extending epoxy grout and mortar volumes for large pours and floor applications.
- Providing the aggregate component for mixing Epirez mortar systems on site.
- Filling large voids, levelling floors, and building up damaged concrete substrates.
Key specifications
| Specification | Detail |
|---|---|
| Product type | Graded silica sand aggregate, used to extend Epirez 133 binder into a mortar or grout |
| Particle size grading | 0.2mm – 0.3mm |
| Relative density | 2.6 |
| Mix ratio with Epirez 133 (very fluid grout) | 1 part binder : 2 parts QA2 — approx. 80 MPa compressive strength |
| Mix ratio with Epirez 133 (flowable mortar) | 1 : 3 — approx. 70 MPa |
| Mix ratio with Epirez 133 (easily worked mortar) | 1 : 4 — approx. 55 MPa |
| Mix ratio with Epirez 133 (dry pack/ram) | 1 : 5 — approx. 50 MPa |
| Mix ratio with Epirez 133 (underwater grout) | 1 : 1.5 — approx. 50 MPa |
| Storage | Dry conditions |
| Pack size available | 16L |
Selecting the right option
QA30 aggregate extender suits bulk floor levelling and mortar volume extension with Epirez 280S; QA2 (this product) is used with Epirez 133 binder in patching and flooring mortar systems. Mix with the specified Epirez binder at the correct ratio — do not substitute aggregates between systems, as grading and yield differ.
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