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DOWSIL 3145/GREY (90-ml-Tube)

RTV ADHESIVE SEALANT (90-ml-Tube)
AERO P/N: 100174-parent
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134 In Stockstock_locations_click_tooltip (UK)
14 In Stock (US - California)
Expiry Date: 18/Jan/2027
Expiry Date: 18/Mar/2027
Additional Stock Expected: 03/Nov/2026
Additional Quantity Available to Order: 140
$57.08 excl VAT
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Max qty per order: 149

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Max qty per order: 149

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Expiry Date
Price
134
18/Jan/27
$57.08
DOWSIL 3145/GREY is a one-part, room-temperature vulcanizing (RTV) silicone adhesive/sealant widely used in the aviation industry by aircraft engineers, ground crew, and MRO teams. Ideal for sealing aircraft panels, housings, and modules. Provides thermal stability from -50°C to +200°C and excellent dielectric properties for critical aircraft systems. Supplied in a 90-mL (3-oz) tube, ready to use for rapid repairs and AOG situations.
Product Features
OEM
DOW
OEM Part No.
3138313
Colour
-
Shelf Life in Months
12
Shelf Life in Days
360
UN No
-
Class
-
PG
-
ECCN
EAR99
Country of Origin
Belgium
Commodity Code
32149000
Product Type
Sealants

Additional Product Information

Overview

DOWSIL 3145/GREY is a one-part RTV silicone adhesive/sealant used by aircraft engineers, ground crew, and MRO teams for commercial and military aviation. It provides high-strength, non-sag performance, excellent thermal stability (-50°C to +200°C / -58°F to 392°F), and dielectric properties. Its ready-to-use, room-temperature cure enables rapid repairs, minimizing AOG downtime.

Key Technical Specs

  • Type: One-part RTV silicone adhesive/sealant
  • Tube Size: 90 mL (3 oz)
  • Color: Gray
  • Viscosity: Non-sag / non-flowing
  • Cure Time: ~48 hours at 24°C (75°F)
  • Tensile Strength: ~1,035 psi (7.13 MPa)
  • Elongation: ~670°
  • Shore Hardness: 51A
  • Dielectric Strength: 500 V/mil
  • Service Temperature: -50°C to +200°C (-58°F to 392°F)
  • Typical Uses: Sealing panels, housings, modules; bonding electrical leads; mechanical stability; vibration damping

Approvals & Specifications

  • MIL-A-46146 Rev. B, Group III, Type I
  • Aerospace declarable substance list (AD-DSL) compatible

Typical Aircraft MRO / AOG Applications

  • Sealing avionics housings, modules, panels, and connectors
  • Bonding small structural or electrical components
  • Rapid repairs in AOG situations
  • Reduces downtime for fast return to service

Compatibility & Safety Notes

  • Works on metals, plastics, composites, and painted/primed surfaces
  • Primer not generally required; use adhesion promoters if recommended
  • Follow SDS; use PPE and ensure ventilation

Packaging & Procurement

  • 90 mL (3 oz) gray tube, single kit
  • Compact size ideal for AOG and MRO storage

Alternative Names & Descriptions

  • DOWSIL 3145
  • RTV 3145 Silicone Adhesive/Sealant
  • DOW 3145 Gray Sealant
  • 3145 Gray RTV
  • RTV 3145 90ML TU:71984
  • RTV3145GRAY
Restrictions
Restricted
Dry Ice
No
Precursor Licence
Export Licence
FEDEX Restriction
Supplier Disruption
no

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  • European Delivery is available for selected countries. Shipping costs will be calculated according to the weight of the products.
  • Refrigerated shipping required for shipments going by sea or exceeding 7 days transit time.
  • For additional information, please see our shipping page.

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