JS-45 is a self-leveling, 100% solids, two-component modified polyurea-based elastomeric joint sealant. JS-45 is a flexible material that is designed for 25% movement of an installed joint width. A minimum of 28 days is recommended for concrete to effectively cure prior to installing joint filler or joint sealant.
Physical Properties
Mix Ratio by Volume | 1:1 |
Gel Time (Minutes) | 2-3 |
Tack-Free Time (Minutes) | <5 |
VOC Content | 0 |
Solids Content | 100 |
Shore A Hardness ASTM D2240 | 43-45 |
Shore D Hardness, ASTM D2240 | – |
Elongation, ASTM D638, Type IV | 350-500 |
Tensile Strength (PSI), ASTM D638, Type IV | 250-380 |
Tear Strength (lb./in.), ASTM D624, Die C | 75-85 |
Taber Abrasion, ASTM D4060 (H-18 Wheel, 1000 Cycles) | 20-75 |
The values stated in this technical data sheet are produced under controlled laboratory conditions.
