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Polyurethane Waterproofing Membranes are high performance solution to completely seal the surface of concrete and make it impenetrable to water. They are crack bridging, flexible, easy to apply premium products that provide a 20 + year life
| Property | Test Standard | Result – Drythane | Result – Competitor |
|---|---|---|---|
| Solid Content (%) | ASTM D 2697 | 100% | 55-60% |
| Solvent Content (%) | ASTM D 2697 | 0% | 40-45% |
| Adhesion To Concrete | ASTM D 4541 | > 300 Psi (2.0 N/mm2) | 65 Psi (0.45 N/mm2) |
| Tensile Strength | ASTM D 412 | 2,908 Psi (20 N/mm2) | 14.50 Psi (0.10 N/mm2) |
| Elongation @ Break | ASTM D 412 | > 50% | > 500% |
| Hardness (Shore D) | ASTM D 2240 | 64.2 | 08 |
| Water Absorption | ASTM D 570 | 0.59% | > 5% |
| Chemical Resistance | ASTM D 570 | 10% H2SO4 = 0.26% | Sample Destroyed |
| Water Vapour Transmission | ASTM E 96 | 1.85 gms/M2/day (Average) | > 5 gms/M2/Day |
| Flexibility | ASTM D 522 | 1.50 mm film passes 12 mm mandrel | 1.50 mm film passes 12 mm mandrel |
| Abrasion Resistance | ASTM D 4060 | 100 mgs (Weight Loss) | Not tested but visibly very poor |
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