DOWSIL 3145/GREY (90-ml-Tube)
RTV ADHESIVE SEALANT (90-ml-Tube)
AERO P/N: 100174
Total Available Stock: 355
UK
USA
335 In Stock (UK)
20 In Stock (USA)
Expiry Date: 21/Nov/2026
Expiry Date: 18/Mar/2027
Additional Stock Expected: 25/Aug/2026
Additional Quantity Available to Order: 137
$58.33 excl VAT
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
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Information
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
Restrictions
Restricted
Dry Ice
No
Precursor Licence
Export Licence
FEDEX Restriction
Supplier Disruption
no
Recommended Alternatives
Bought Together
Shipping Information
- Orders over £100 online are eligible for FREE UK Mainland delivery.
- Collection for orders is available for all customers. At Checkout, please select 'Ex-Works/Collection'.
- 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.