DOWSIL™ 3145 RTV MIL-A-46146 Adhesive/Sealant – Gray is a one-part, non-flowing silicone adhesive designed for high-strength bonding and sealing applications. It cures at room temperature with moisture in the air, eliminating the need for ovens, and offers enhanced thermal stability. This product meets MIL-A-46146 Group II/III, Type I specifications, making it suitable for military and aerospace applications.
Applications:
DOWSIL™ 3145 RTV MIL-A-46146 Adhesive/Sealant – Gray
Typical Properties:
| Property | Unit | Value |
|---|---|---|
| Extrusion Rate | g/min | 121 |
| Flow Rate – Slump | inches | 0.004 |
| Tack-Free Time at 25°C | minutes | 78 |
| Specific Gravity (Cured) | 1.12 | |
| Non-Volatile Content (NVC) | % | 96.2 |
| Tensile Strength | psi (MPa) | 1035 (7.1) |
| Elongation | % | 670 |
| Tensile Modulus | psi (MPa) | 150 (1.1) |
| Tear Strength (Die B) | ppi (N/cm) | 190 (132) |
| Durometer Hardness | Shore A | 51 |
| Primed Adhesion – 180° Peel Strength | ppi (N/cm) | 106 (72.5) |
| Hardening Transition by DSC | °F (°C) | -43.6 (-42) |
| Shelf Life at 25°C | months | 12 |
| MIL Specification | MIL-A-46146 Group II/III, Type I |
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