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Dowsil 3145 RTV Gray 90 ML Tube Silicone Adhesive Sealant MIL-A-46146

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Dowsil 3145 RTV Gray 90 ML Tube Silicone Adhesive Sealant MIL-A-46146

Buy RTV 3145 90ML online at Krayden. Buy Dowsil 3145 90ML from an Authorized DOW Distributor. Gray Tube 3145 RTV.

  • Buy 3 for $52.38 each and save 8%
  • Buy 6 for $48.64 each and save 15%
  • Buy 12 for $45.40 each and save 20%
Product may have an MOQ, listed price may vary. A representative will contact you if so.

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Dowsil RTV 3145 90 ML Grey MIL-A-46146 is a no mix required, high strength, room temperature cure, no sag silicone adhesive/sealant designed for yoke and printed wire board or PCB assembly by pilots as an aviation sealant for aircraft repairs on various airplane area's including openings and cracks in metal casings. Dow 3145 RTV Gray in 90 ML (3 oz) size offers high tensile strength, high tear strength, high elongation, and adheres well to glass, metals, ceramics, silicone rubber, and many plastics. DC 3145 has heightened thermal stability, remains stable from -50C to +200C (higher for grey version), and has excellent dielectric properties. This high strength bonding silicone RTV is non-flow and offers primer-less adhesion, vibration resistance, moisture protection, and helps materials resist thermal and mechanical shock. RTV 3145 meets Mil Spec requirements, and works well sealing housings, modules and electrical leads.

Additional Information
Additional Color, Sizes and Packaging

Dowsil 3145 RTV Clear 90 ML Tube Silicone Adhesive Sealant MIL-A-46146
Dowsil 3145 RTV Clear 19KG Pail Silicon Adhesive Sealant MIL-A-46146
Dowsil 3145 RTV Gray 19 KG Pail Silicone Adhesive Sealant MIL-A-46146
Dowsil 3145 RTV Clear 305 ML Silicone Adhesive Cartridge MIL-A-46146
Dowsil 3145 RTV Gray 305 ML Silicone Adhesive Cartridge MIL-A-46146

SKU DC3138313
Part Number DC 3145 GRAY 3OZ

Dowsil Innovative Materials       


Product Articles

More product information regarding Dow 3145 RTV and Dowsil 3145 Adhesive

RTV 3145 Clear and RTV 3145 Gray, used for sealing openings in housing and modules, sealing around electrical wires and leads while also offering mechanical stability to circuits components in the assembly of PWBs. This nonflowing RTV offers high tensile strength with elongation, peel, and lap shear values.

Product Videos

View the Dowsil 3145 RTV Silicone Adhesive Video full screen with description in the Dow Video Library


Product Information

Dow RTV 3145 90 mL Gray Tube MIL-A-46146, no mix required, high strength, room temperature cure, no sag, silicone adhesive/sealant, printed wire board assembly, PCB assembly, used by pilots to repair airplanes, repair openings, repair cracks in metal casings, Dowsil 3145 RTV Gray 90 ML, high tensile strength, high tear strength, high elongation, glass adhesion, metal adhesion, ceramics adhesion, silicone rubber adhesion, plastic adhesion, DC 3145, high thermal stability, stable rtv adhesive, high strength bonding silicone RTV, non-flow adhesive, primerless adhesion, vibration resistant adhesive, adhesive moisture protection, thermal shock resistant, mechanical shock resistance, RTV 3145, Mil Spec requirements, sealing housings, module sealing, electric leads sealant.


Typical Use:
Sealing cracks or gaps in housings and modules, adds stability to individual components mechanically, used in components assembly on PWBs, yoke assembly, used to seal around and in wires and electrical leads. Can be considered for use needing special high temperature stability.
Cure Time:
Room Temperature - 24 -72 hours
Dielectric Strength:
485 V/mil
47 A
Service Temperature:
-45 to 200 °C
Shear Strength:
Specific Gravity:
1.12 @ 25 °C
Tack Free Time:
78 minutes
Tensile Strength:
1035 psi
Product Specific Info:
If a manufacturer certification is required, please request a quote
Technical Data Sheet


Application One Part
Color Gray
Characteristics Gel
Cure Type RTV
Specifications MIL-A-46146 Rev. B, Amend. 3 Type I, Group II/III, CERT
Chemistry Silicone
Packaging Tube
Product Category Adhesives, Sealants
Manufacturer DOW
Brand DOW
Industry Aerospace, Appliance, Automotive, Battery, Defense, Electronics, General Industrial, Lighting, Maintenance Repair, Marine, Medical, Oil, Gas, Solar, Wind
Manufacturer SKU 3138313
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