Description
Permabond ET540 is a two-part, 2:1 mixable, semiflexible toughened no slump epoxy adhesive with good adhesion to a variety of substrates such as wood, metal, ceramics and some plastics and composites. Permabond ET540 forms tough bonds providing high peel resistance and high shear strength coupled with excellent resistance to high temperatures. The extended work life of this product allows for adjustment making it very suitable for larger applications.
Physical Properties of Uncured Adhesives
| ET540 A side | ET540 B Side | |
| Chemical composition |
Epoxy Resin | Polyamine Hardener |
| Appearance | White | Amber |
| Viscosity @ 25°C | 20rpm: 75,000 mPa.s (cP) 2rpm: 225,000 mPa.s (cP) |
20rpm: 150,000 mPa.s (cP) 2rpm: 500,000 mPa.s (cP) |
| Specific gravity | 1:1 | 1.0 |
Typical Curing Properties
| Mix ratio by volume | 2:1 |
| Maximum gap fill | 5 mm 0.2 in |
| Usable / pot life @23°C | 120-150 mins |
| Handling time @23°C | 150-180 mins |
| Working strength @23°C | 24 hours |
| Full cure @23°C | 72 hours |
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