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SHARPIE Modified Silicone M Sealant
Medium-modulus hybrid silicone for façades & cleanrooms; primerless adhesion, ±50% movement, low dirt pickup.
Key Highlights
- ±50% joint movement capability
- Primerless adhesion to most substrates
- Cleanroom ISO Class 1 suitable
- Non-staining, low dirt pickup finish
- Service temperature: -20°C to +90°C
- ASTM C920 Class 50 compliant
Technical Specifications
| Chemistry | Modified Silicone (Hybrid Polymer) |
| Modulus | Medium |
| Movement Capability | ±50% |
| Service Temperature | -20°C to +90°C |
| Adhesion | Primerless to many substrates |
| Finish | Matte; reduced dirt pickup |
| Tack-Free (23°C) | ~1 hour |
| Hardness (Shore A) | ~30 |
| Elongation at Break | ~400% |
| Tensile Strength | ~1.10 MPa |
| Slump | 0 mm |
| Fungal Resistance | Pass |
| Staining | Non-staining on most substrates |
| Outgassing | Low; cleanroom suitable |
| Cure Rate (23°C, 50% RH) | ~2–3 days (6 mm) |
| Colors | 8 standard, custom available |
Applications
- Façade joints: aluminum, stone, concrete, tiles, coated panels
- Cleanroom Class 1 environments (pharma, semiconductor, healthcare)
- ACMV ductwork, drywall, and CMU joints
- Window perimeter and weatherproofing between dissimilar materials
Packaging
| Format | Size | Units / Box | Notes |
|---|---|---|---|
| Cartridge | 320 ml | 10 | Single-component |
| Sausage | 600 ml | 12 | Single-component |
