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3145 RTV 305ml/10.3oz MIL-A-46146 Clear Adhesive Sealant for Sealing in and Around Wired and Electrical Leads Non Flow Primerless Adhesion High Strength Group II/III

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Product details

Management number 215639159 Release Date 2026/04/12 List Price $36.00 Model Number 215639159
Category

3145 RTV is a high-performance, single-component silicone adhesive/sealant designed for sealing, bonding, and protecting electronic and industrial components. This sealant is MIL-A-46146 compliant. It offers exceptional adhesion, thermal stability, and moisture resistance.ApplicationsSealing and insulating electrical components, such as battery boards, housing, and terminals.Providing moisture protection for PCBs, sensors, and weld points.Coating and protecting rigid and flexible PCBs.Performance AdvantagesHigh Adhesion: Bonds strongly to glass, metal, and silicone rubber without the need for primer.Thermal Stability: Operates reliably at temperatures ranging from -65°C to 200°C (short-term up to 315°C).Moisture Resistance: Provides excellent protection against moisture, ensuring long-term durability.Vibration and Aging Resistance.Typical PropertiesColor: Clear, Grey Dielectric Constant at 100 Hz: 2.83 Dielectric Constant at 100 kHz: 2.83 Dielectric Strength: 500 volts per mil v/mil Dissipation Factor at 100 Hz:<0.001 Durometer - Shore A: 45 Elongation: 660 % Linear CTE: 370 um/m/Deg C Nonflowable:Yes Number of Parts: One Part Product Type: Adhesive / Sealant Shelf Life: 360 Days Specific Gravity: 1.1 @ 25°C Tensile Strength:940 psi Volume Resistivity: 4.4e+014 Ω・cmNotes Ensure surfaces are clean and dry before application.Store in a cool, dry place to maintain optimal performance.Avoid contact with high plasticization plastics, solvents, or fuels, as these may affect adhesion.

  • 3145 RTV: is a single-component, room-temperature curing silicone adhesive/sealant designed for high-performance applications. It offers exceptional adhesion, thermal stability, and moisture resistance, making it ideal for sealing, bonding, and protecting electronic and industrial components.
  • Applications: This sealant is widely used in the electronics, appliances, sensors, and solar industries for sealing, fixing, and insulating components. It provides excellent coverage for sealing openings in modules and housings, assembly of components on printed wiring board (PWB),sealing in and around wired and electrical leads
  • Performance Advantages: Non-flowing,room temperature cure ,high tensile/tear strength and elongation,MIL-A-46146 Group II, TY I ,no mixing required,room temperature cure, no ovens required, faster in-line processing with optional heat acceleration,can be considered for uses with Mil Spec requirements
  • Color: Clear. Dielectric Constant at 100 Hz: 2.83. Dielectric Strength: 500 volts per mil v/mil. Dissipation Factor at 100 Hz: < 0.001. Durometer - Shore A: 45. Elongation: 660% Linear CTE: 370 µm/m/Deg C. Specific Gravity: 1.1 @ 25°C. Tensile Strength: 940 psi. Volume Resistivity: 4.4e+014 Ω·cm.
  • Certifications and Compliance: MIL-A-46146 Group II, TY I military specification compliant. Group II/III classification for high-performance applications. Non-corrosive, safe for electronic components.
UPC 699838896413
Color Clear
Item Form US
Brand Name DOWBYTE
Unit Count 12.5 Ounce
Item Weight 12.5 Ounces
Manufacturer 3145 RTV
Liquid Volume 305 Milliliters
Material Type Silicone
Tensile Strength 940 Pounds Per Square Inch
Included Components 1

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