PU Sealant Lejell 210 for Construction
1. Technical Data Sheet
| Testing items |
Performance |
| Appearance |
Black, white, gray, homogeneous paste |
| Cure Mechanism |
Humidity-curing |
| Density (g/cm³ ) |
1.35± 0.05 |
| Touch Dry time (min) |
20 ~ 60 |
| Curing speed (mm/d) |
3~5 |
| Non-sag Properties |
Good |
| Tear propagation resistance (Mpa) |
≥ 1.5 |
| Stretch modulus(Mpa) |
≥ 1.0 |
| Volatile content (%) |
≤ 4 |
| Shore A hardness(A° ) |
50± 5 |
| Tensile strength( Mpa) |
≥ 8.0 |
| Elastic recovery rate (%) |
≥ 90 |
| Elongation at break (%) |
≥ 450 |
| Extrudability (g/min) |
80 |
| Application temperature (º C) |
+5 ~ +35 |
| Shelf life(month) |
9 |
Note;
1) All data above ware tested under standardized condition.
2) All data listed in the chart were series; Please refer to the related datasheet for special items.
3) Storage condition has a direct impact to the products'shelf life, Please refer to the instruction for special items'storing.
DESCRIPTION:
Lejell 210 is a one component gun grade polyurethane based construction sealant, it is of low modulus and cures by reaction with atmospheric moisture to form a soft rubber like material with excellent elastic and adhesion strength.
USES:
Lejell 210 is suitable for most building joints, including perimeter caulking of doors and windows.
*Expansion joints.
*Joints in pre-cast panel.
*External walling, curtain wall joints
*skylights, smoke vents,
*other structural sealing for areas with structure movement
ADVANTAGES:
* mildew proofing, Meet national standard for sealing of drinking water pipe.
* One component, no need of mixing.
* Easy for applying.
* Highly elasticity and low modulus.
* Excellent durability, weathering resistance...
* Self bonding, easily for repairing.
* three kinds of colors available.
* 600, 400 CC aluminum foil packaging, 310 cartridge package for choice.
* Can be painted.
Advice
* For common occasion, after cleaning out the surface with organic solvent, this product can be used directly.
*Please construct by application instructions strictly, failure of stickiness may be caused by any
Operation disobeying construction techniques.
*This product is innocuous after curing completely, but before set, please avoids contacting with eyes and skin. In case of eyes and skin contact, wash immediately and thoroughly with soap and water. See doctor immediately if it is serious.
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