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STI SIL Silicone Firestop Sealant
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Product Description
features
- Available in a Gun Grade or Self Leveling
- Ozone and UV Resistant
- Excellent recovery from joint extension and compression
- Listed in over 175 UL Tested Systems!
| Application | Properties |
|---|---|
| Blank Opening | Autobonding |
| Bottom of Wall | Flexible |
| Busway | Joint Movement |
| Cable Tray | Low VOC |
| Floor to Floor | Permanent |
| Floor to Wall | Self Leveling |
| Head of Wall | Silicone |
| Metal Pipe | Smoke Barrier |
| Multiple Penetrations | STC Rating |
| Wall to Wall | Water Resistant |
Physical Properties
As supplied
| Property | SIL300 (Non-Sag) | SIL300SL (Self-Leveling) |
|---|---|---|
| Consistency | Trowelable | Pourable |
| Density/(Weight per Gallon) | 11.6 lbs/gal | 11.5 lbs/gal |
| Coverage | For more information on product coverage see the following documents for Linear Joint & Penetration | For more information on product coverage see the following documents for Linear Joint & Penetration |
| Viscosity | 1,200,000 cps | 25,000 cps |
| Storage Temperature | Less than 80°F (27°C) | Less than 80°F (27°C) |
| Application Temperature | 35°F (-37°C) to 140°F (60°C) | 35°F (-37°C) to 140°F (60°C) |
| VOC Content | 20 g/L* | Less than 47 g/L* |
| Shelf Life From Date of Manufacture | 18 months | 18 months |
| Tooling Time | 25 to 30 minutes | 25 to 30 minutes |
| Tack Free, ASTM C679 (77°F, 50%RH) | 3 to 4 hours | 50 to 60 minutes |
| Sag/Slump, ASTM D2202 | 0.1" max | N/A |
| Storage Warranty Period | 12 months from date of shipment if stored in original unopened container at 80°F (27°C) | 12 months from date of shipment if stored in original unopened container at 80°F (27°C) |
Cured
| Property | SIL300 (Non-Sag) | SIL300SL (Self-Leveling) |
|---|---|---|
| Colour | Concrete (limestone) | Gray |
| Flame Spread | 5** | 5** |
| Smoke Developed | 45** | 45** |
| Mold & Fungus Growth Rating (ASTM G21) | 0 | 1 |
| Movement Capabilities | ± 50% (ASTM C719), ± 35% (ASTM E1399) | ± 50% (ASTM C719), ± 15% (ASTM E1399) |
| In Service Temperature | -35°F (-37°C) to 350°F (177°C) | -35°F (-37°C) to 300°F (149°C) |
| Shore A Hardness (ASTM D2240) | 24 | 26 |
| STC Rating (Relates to Specific Construction), (ASTM E 90-04/ASTM C919) | 61 | 61 |
| Weathering & U.V. Resistance | Excellent | Excellent |
| Tensile Strength, psi (ASTM D412) | 341 psi (2.35 MPa) | 110 psi (0.76 MPa) |
| Elongation % (ASTM D412) | 715% | 600% |
| Tensile at 100% Elongation (ASTM D412) | 73.2 psi (0.50 MPa) | 60 psi (0.41 MPa) |
| Peel Strength (21 day cure @ 77ºF/50 RH), ASTM C794 | 56.6 pli | 12 pli |
- *Per SCAQMD Rule 1168 (EPA Method 24)
- **Tested to ASTM E84 (UL723) at 14% surface coverage (modified test for sealants and caulks)
Ordering Information
| Catalogue Number | Description | (UOM) Qty. | Case Qty. | Weight (Each) |
|---|---|---|---|---|
| STI_SIL300 | 10.1 Oz. Tube - 18.2 cu in (300 ml) | 1 | 24 | 1.03 lbs (0.47 kg) |
| STI_SIL305 | 4.5 Gallon Pail - 1,037 cu in (17.0 liters) | 1 | 1 | 54.43 lbs (24.69 kg) |
| STI_SIL320 | 20 Oz. Sausage - 36 cu in (592 ml) | 1 | 12 | 1.86 lbs (0.84 kg) |
| STI_SIL305SL | 4.5 Gallon Pail - 1,037 cu in (17.0 liters) | 1 | 1 | 51.89 lbs (23.54 kg) |
| STI_SIL320SL | 20 Oz. Sausage - 36 cu in (592 ml) | 1 | 12 | 1.86 lbs (0.84 kg) |