$2.9
Weatherproof Exterior Concrete PU Joint Sealant
1.Production Instructions:
Hydrophilic Expansion Waterproofing Sealant is one part, no solvent. It expands with water and have good filling performance
and strong adhesion.It also has good chemical medium resistance.
2.Application:
Seal for structure joints and seepage of the pipe, joints of precast parts, joints of the H Steel, seal for bolt and precast hole, seal
and water proofing for the underground tunnel, metro etc.
3. Characteristics
1) One component, easy to use
2) Non sagging
3) Good adhesion to a wide range of substrates
4) Primerless for most substrates
5) Excellent elasticity
6) Good weather resistance
4.Technical Data:
Item |
KT-220 |
KT-400 |
|
Solid Content (10%) ≥ |
95 |
||
Density (g/cm3) |
1.4±0.1 |
||
Sagging(mm)≤ |
2 |
||
Tack free time (h) ≤ |
12 |
||
7d Tensile Adhesive Strength (MPa) ≥ |
0.4 |
0.2 |
|
Low temperature flexiblility |
No Cracking |
||
Tensile Strength (MPa) ≥ |
1.0 |
||
Elongation at break (10%) |
400 |
||
Volume expansion ratio (10%) ≥ |
220 |
400 |
|
Long-term soaking volume expansion ratio retention (10%)≥ |
90 |
||
Water pressure resistance (no water seepage) (MPa) |
1.5 |
2.5 |
|
Thickness after full dry(mm) ≥ |
2 |
||
Long-term soaking volume expansion ratio retention (10%)≥ |
Saturated Ca (OH)2 |
90 |
|
5% NaCl |
90 |
||
Harmful material limit |
VOC g/L |
200 |
|
The free toluene diisocyanate (TDI) g/kg ≤ |
5 |
5.Storage and Packing
Packing | Color | Quantity/carton |
320ml | Black,Grey | 24 paper cartridges |
600ml | Black Grey | 20 sausages |
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