Aircraft Spruce Canada
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Dow Corning 3145 Gray Adhesive / Sealant
MFR Model# 3145 90ML GRY MIL-A-46146
Overview
Sealing openings in modules and housings; adding mechanical stability to individual components; assembly of components on PWBs; sealing in and around wires and electrical leads; yoke assembly.
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Specifications
- Viscosity Cp: Non-flow
- Rt Tack Free Time: 70 min
- Peel Strength: 75
- Durometer/hardness: 50 A
- Volume Resistivity: 4.4x 10(14)
- Thermal Conductivity: 4.3x 10(-4) cal/cm.sec °C
- Service Temperature: 50° to 200°C
- Base Chemistry: Silicone
- Tensile Strength: 1000
- Dielectric Strength: 510
- Specific Gravity: 1.12V
- Elongation: 660%
Reviews
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Dow Corning 3145 Gray Adhesive / Sealant
Excellent / ontime shipment!
This product works great but has a finite shelf life once opened. I left it for about 3 years with a sealed applicator on it. The applicator cracked at the screw fitting and the material in the applicator and the tube nozzle dried out leaving the tube unusable. I would guess an opened life of 2 years max.
This product works great but has a finite shelf life once opened. I left it for about 3 years with a sealed applicator on it. The applicator cracked at the screw fitting and the material in the applicator and the tube nozzle dried out leaving the tube unusable. I would guess an opened life of 2 years max.
Q&A
Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
Service temperature is the temp range in which a material can be used without compromising its strength. The tech sheet shows the range is 50* to 200*C. Average room temp(Rt) is 77*.
Per the vendor, this is not compatible with gasoline.
Per supplier: 12 month shelf life.
