Customization: | Available |
---|---|
Chemical Composition: | Silicone Sealant |
Usage: | Construction |
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Seq. No | Test items | Technical parameters | Test results | ||
1 | Appearance | Smooth and uniform paste with no bubbles, lumps, gel, or skin, and without any difficult-to-disperse precipitates; the colors of the two components should be distinctly different. | Smooth and uniform paste with no bubbles, lumps, gel, or skin, and without any difficult-to-disperse precipitates. The colors of the two components should be distinctly different. | ||
2 | Sag | vertical placement / mm | ≤3 | 0 | |
horizontal placement | non-deforming | No deformation | |||
3 | Service life | mixing time / min | ≥20 | 20 | |
extrudability / s | ≤10 | 4 | |||
4 | Skinning time / h | ≤3 | 1.5 | ||
5 | Hardness / Shore A | 20~60 | 51 | ||
6 | Thermal aging | thermal weight loss | ≤10 | 4 | |
crazing | none | none | |||
dusting | none | none | |||
Note | Sample preparation ratio: Main material (A) : Curing agent (B) = 13:1 (W/W) | ||||
Seq. No | Test items | Technical parameters | Test results | ||
7 | Tensile adhesion | 23ºC | Tensile adhesive strength / MPa | ≥0.60 | 1.15 |
Adhesive failure area / % | ≤5 | 0 | |||
Elongation at maximum tensile strength / % | ≥100 | 117 | |||
90ºC | Tensile adhesive strength / MPa | ≥0.45 | 0.86 | ||
Adhesive failure area / % | ≤5 | 0 | |||
-30ºC | Tensile adhesive strength / MPa | ≥0.45 | 1.68 | ||
Adhesive failure area / % | ≤5 | 0 | |||
After immersion in water | Tensile Adhesive strength / MPa | ≥0.45 | 0.91 | ||
Adhesive failure area / % | ≤5 | 0 | |||
After water and ultraviolet (UV) light exposure | Tensile Adhesive strength / MPa | ≥0.45 | 0.96 | ||
Adhesive failure area / % |
≤5 |
0 |