China
Cemedine SM-451 POS Seal Silicone Sealant

Manufacturer: Cemedine
Features
- Good adhesion to many adherends including PVC steel plates
- High durability
- Paintable
- medium modulus
- anti-mildew
Usage
- Various interior and exterior joints

Properties
| product name | POS Seal |
|---|---|
| Main ingredient | Modified silicone sealant |
| exterior | each color paste |
| Density (g/ cm3 ) | 1.39 |
| touch dry time | 1 to 2 hours (23°C) |
| Standard coating amount | Joint width 5 mm x depth 5 mm → about 12 m/cartridge Joint width 10 mm x depth 10 mm → about 3 m/cartridge |
Performance based on JIS A 5758
| item | result | ||
|---|---|---|---|
| Classification by JIS A 5758 | F-20HM-8020(MS-1) | ||
| Slump (mm) | vertical | 5°C | 0 |
| 50°C | 0 | ||
| beside | 5°C | 0 | |
| 50°C | 0 | ||
| Elastic recovery (%) | 62 | ||
| adherend | aluminum | ||
| Tensile properties (N/ mm2 ) | 23°C | 0.5 | |
| -20℃ | 0.7 | ||
| Adhesion under constant elongation | 23°C | No abnormality | |
| -20℃ | No abnormality | ||
| Adhesion after compression heating/tension cooling | No abnormality | ||
| Adhesion after exposure to artificial light | – | ||
| Adhesion under constant elongation after water immersion | No abnormality | ||
| Volume loss (%) | 3.5 | ||
*Tests for each item are conducted in accordance with JIS A 1439 (2016).
*Test results are representative values.
Tensile adhesion
| adherend | Processing conditions | temperature | 50% tensile stress (N/ mm2 ) | Maximum tensile stress (N/ mm2 ) | Elongation at maximum load (%) |
|---|---|---|---|---|---|
| aluminum x aluminum | After curing | 23°C | 0.37 | 0.88 | 240 |
| -10℃ | 0.39 | 1.06 | 250 | ||
| After heating | 23°C | 0.39 | 0.95 | 210 | |
| -10℃ | 0.41 | 1.08 | 240 | ||
| After flooding | 23°C | 0.27 | 0.83 | 490 | |
| Mortar x Mortar | After curing | 23°C | 0.37 | 0.86 | 230 |
| -10℃ | 0.39 | 1.00 | 250 | ||
| After heating | 23°C | 0.39 | .092 | 200 | |
| -10℃ | 0.41 | 1.06 | 220 | ||
| After flooding | 23°C | 0.27 | 0.78 | 450 |









