CEMEDINE SM-444 POS Seal Black Modified Silicone Sealant
CEMEDINE SM-444 is the black 333 mL grade of the POS Seal series, formulated as a one-component modified silicone sealant. Its main component is modified silicone resin, supplied as a paste for cartridge-gun application. POS Seal provides good adhesion to a wide range of substrates, including PVC-coated steel sheet, and is designed for durable sealing of interior and exterior building joints. The cured sealant can also be painted, making it suitable for applications where the sealed area must later be finished or coated.
Product Details
Product Features
Good Adhesion:Provides strong adhesion to PVC-coated steel and many common construction materials.
High Durability:Suitable for long-term sealing of interior and exterior building joints.
Paintable Surface:Can be painted after curing, subject to compatibility with the selected coating.
Medium-Modulus Performance:Provides a balance of elasticity and support for general building-joint movement.
Mold-Resistant:Formulated with mold-resistant properties for a wide range of sealing applications.
Product Applications
Interior and Exterior Building Joints:For sealing joints and gaps in building envelopes and interior finishing work.
Pipe Penetrations:Suitable for sealing around pipes passing through walls and panels.
Concrete, Mortar and Tile Joints:Applicable to general sealing and waterproofing around these construction materials.
Kitchen, Washroom and Utility Areas:Suitable where waterproofing and mold resistance are required, subject to the specific service conditions.
| Item | CEMEDINE SM-444 POS Seal |
|---|---|
| Product Type | One-Component Modified Silicone Sealant |
| Brand | CEMEDINE |
| Model | SM-444 |
| Series | POS Seal |
| Color | Black |
| Capacity | 333 mL |
| Main Component | Modified Silicone Resin |
| Appearance | Paste |
| Density | Approx. 1.39 g/cm³ |
| Tack-Free Time | 1–2 hours at 23°C |
| Service Temperature Range | -30°C to 90°C* |
| JIS A 5758 Classification | F-20HM-8020 (MS-1) |
| Elastic Recovery | 62% |
| Tensile Property @ 23°C | 0.5 N/mm² |
| Tensile Property @ -20°C | 0.7 N/mm² |
| Volume Loss | 3.5% |
| Standard Coverage | Approx. 3 m per cartridge at 10 mm × 10 mm joint |
| Mold Resistance | Yes |
| Paintable | Yes |
| Emission Classification | JSIA F☆☆☆☆ |
| Country of Origin | Japan |