1.Gap sealing between stone and other materials
2.Filling and sealing of aluminum-plastic panels, aluminum veneers, and thermal insulation integrated panels
3.Adhesive sealing of day lighting roof, sun room and sun shed
4.All kinds of building materials caulking and sealing
NO. |
Item |
Standard regulations |
Test result |
Individual evaluation |
|
1 |
Appearance |
It should be a fine, uniform paste without lumps Gel crusts and precipitates that are not easy to disperse quickly |
Fine and uniform black paste, no agglomerated gel, crust and precipitates that are not easy to disperse quickly |
Qualified |
|
2 |
Sagging degree, mm |
≤3
|
0 |
Qualified |
|
3 |
Tack-free time, h |
≤3
|
2 |
Qualified |
|
4 |
Extrude ability, s |
≥150 |
344 |
Qualified |
|
5 |
Density (g/cm) |
Specified value ±0.1 |
1.45 |
|
|
6 |
Tensile modulus/mpa |
20℃
|
>4
|
0.6 |
Qualified |
-20℃
|
Or> 0.6 |
0.7 |
Qualified |
||
7 |
Fixed-stretch cohesiveness |
No damage |
No damage/60% |
Qualified |
|
8 |
Fixed elongation adhesion after immersion in water |
No damage |
No damage/60% |
Qualified |
|
9 |
Adhesion after cold drawing-hot pressing |
No damage |
No damage |
Qualified |
|
10 |
Adhesion after UV radiation |
No damage |
No damage/60% |
Qualified |
|
11 |
Quality loss rate% |
≤8%
|
5.8 |
Qualified |