Dow Corning® RTV 3145 (3145/3OZ/C) MIL-A-46146 is often used by pilots as an aviation sealant for aircraft repairs on various parts of the airplane including openings and cracks in metal casings. This RTV 3145 adhesive and sealant adheres well to glass, metals, ceramics, silicone rubber, and plastics. It provides thermal stability and remains stable from -50°C to 200°C while offering excellent dielectric properties. RTV 3145 is non-flow and provides primer-less adhesion, vibration resistance, moisture protection, and resistances to thermal and mechanical shock.
- Non-flowing
- Room temperature cure
- High tensile strength and elongation
- Enhanced thermal stability
- MIL-A-46146 Group II/III, TY I
- No mixing required
- RT cure, no ovens required
- Faster in-line processing with optional heat acceleration
- Can be considered for uses with Mil Spec requirements
- Can be considered for uses needing special high temperature stability
Product Codes | |
|---|---|
| Mfr Part No: | DC1610431 |
| MIL SPEC: | MIL-A-46146 |
| ECCN: | EAR99 |
| MIL SPEC: | MIL-A-46146 |
| NSN: | 8040-00-145-0020 |
| SCHEDULE B CODE: | 3506.10.0000 |
Size: 3 ozExtrusion rate: 121 g/minFlow rate: 0.1 in.Tack-free time: 78 minSpecific gravity (cured): 1.12Non volatile content: 96.2%Tensile strength: 1035 psiElongation: 670%Tensile modulus: 150 psiTear strength: 190 ppiShelf life at 25ºC: 12 months
- Stock: Warehouse
- Manufacturer Part #: DC1610431
Aircraft Fitment Finder
Returns & refund summary
- 30-day return window — with prior return authorization, unopened in original packaging.
- Restocking fee: 20% on unopened items, 30% on open-box items.
- Refund processing fee: 5.51% applies only to customer-remorse returns and customer-initiated cancellations. If a problem is our fault (our cancellation, unavailability, wrong item, confirmed defect, or shipping damage) your refund is 100% with no fees.
- Return shipping: paid by buyer on customer-remorse returns; we pay return shipping when the problem is our fault.
- Non-returnable categories: installed/used parts, special-order or rebuilt items, programmed items (incl. ELTs), batteries, AOG-priority orders, international orders.
Full terms: Return Policy.
Authenticity & authorization
We source products from manufacturers, authorized distributors, and established aviation suppliers as applicable. We are an independent reseller; we do not claim direct dealer or authorized-representative status for any brand. Documentation, source, and warranty eligibility vary by product and are confirmed on request.
See our full Manufacturer Authorizations page for the current per-brand status.
Need traceability paperwork?
If your installation requires FAA Form 8130-3, manufacturer Certificate of Conformance, or other traceability documentation, please call 1-877-722-8727 or email [email protected] before placing the order so we can confirm what is available for this part.
Shipping
Standard ground, expedited, and AOG shipping options are available at checkout. Full shipping-cost tiers and timelines are published on our Delivery Information page.
