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DOW CORNING RTV-3145 ADHESIVE / SEALANT

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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.

Products
Description
PN
3145 RTV MIL-A-46146 Adhesive / Sealant - Clear 1-part, nonflow, translucent, moisture cure RTV

Noncorrosive; high tensile strength, elongation, peel and lap shear values, contains UV indicator for automated inspection; MIL-A-46146

3oz tube
09-02041
3145 RTV MIL-A-46146 Adhesive / Sealant - Gray 1-part, nonflow, gray, moisture cure RTV

Noncorrosive; high tensile strength, elongation, peel and lap shear values, good for high-temperature applications; MIL-A-46146

3oz tube
09-02042

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 200C
  • Base Chemistry: Silicone
  • Tensile Strength: 1000
  • Dielectric Strength: 510
  • Specific Gravity: 1.12V
  • Elongation: 660%
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Reviews

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.

Paul
April 22, 2017

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.

Paul
April 22, 2017

Q&A

Q: What does service temperature mean? Does this silicon adhesive glue have an application range lower than room temperature? What is Rt Tack free time? Thank you!

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*.

Q: Is 3145 compatible with gasoline?

Per the vendor, this is not compatible with gasoline.

Q: What is the shelf life of the Dow Corning RTV-3145 adhesive?

Per supplier: 12 month shelf life.

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