--- product_id: 719548605 title: "3145 RTV 90ml 3oz Clear Adhesive Sealant Mil-A-46146 Electrical Battery Board Housing Moisture Sealing Non Flow Primerless Adhesion High Strength Group II/III (3145 Clear 90ml)" brand: "hushoil" price: "¥14086" currency: JPY in_stock: true category: "Hush Oil" url: https://www.desertcart.jp/products/719548605-3145-rtv-90ml-3oz-clear-adhesive-sealant-mil-a-46146 store_origin: JP region: Japan --- # 500 V/mil dielectric strength Water resistant & non-flow 940 psi tensile strength 3145 RTV 90ml 3oz Clear Adhesive Sealant Mil-A-46146 Electrical Battery Board Housing Moisture Sealing Non Flow Primerless Adhesion High Strength Group II/III (3145 Clear 90ml) **Brand:** hushoil **Price:** ¥14086 **Availability:** ✅ In Stock ## Summary > 🔧 Seal smart, seal strong — the pro’s choice for flawless protection! ## Quick Answers - **What is this?** 3145 RTV 90ml 3oz Clear Adhesive Sealant Mil-A-46146 Electrical Battery Board Housing Moisture Sealing Non Flow Primerless Adhesion High Strength Group II/III (3145 Clear 90ml) by hushoil - **How much does it cost?** ¥14086 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/719548605-3145-rtv-90ml-3oz-clear-adhesive-sealant-mil-a-46146) ## Best For - hushoil enthusiasts ## Why This Product - Trusted hushoil brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Unmatched Durability:** High tensile strength (940 psi) ensures long-lasting seals under stress. - • **Versatile & Reliable:** Water resistant with enhanced thermal stability, perfect for battery packs and PWBs. - • **Effortless Application:** One-part, primerless adhesion with room temperature cure—no mixing or ovens needed. - • **Precision Seal Performance:** Non-flow formula guarantees clean, mess-free application every time. - • **Electrical Grade Excellence:** Superior dielectric strength (500 V/mil) protects sensitive components flawlessly. ## Overview The 3145 RTV Clear Adhesive Sealant is a MIL-A-46146 certified, one-part, moisture-curing sealant designed for high-strength, non-flow applications in electrical and battery assemblies. Offering 940 psi tensile strength, 500 volts per mil dielectric strength, and water resistance, it cures at room temperature without primers, ensuring fast, reliable sealing with enhanced thermal stability and a 360-day shelf life. ## Description 3145 RTV Sealant Clear or Gray Available MIL-A-46146 Dow 3145 Adhesive Sealant 90ml one Tube One-part, moisture RTV, non-flow, high strength, UL and Mil Spec. Uses Sealing openings in modules and housings. Adding mechanical stability to individual components. Assembly of components on PWBs. Sealing in and around wired and electrical leads. Temperature Range: -45 °C ~ 200 °C Benefits Non-flowing High tensile strength and elongation Enhanced thermal stability MIL-A-46146 Group II/III, 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 Application Benefits Non-Slump Primerless Adhesion Use: Battery Pack, Boards and Assemblies, Components, Housings Water Resistant Certifications & Standards Regulatory Approvals: MIL Spec Product Use and Formulating Cure Characteristics: Room Temperature Long Working Time > 10 min Cure Type: Alkoxy Cure, Condensation Cure, Methoxy Cure Number of Parts: 1 part Room Temperature Cure: 48 Hours Tack-Free Time-50% RH: 55 Minutes Typical Properties Adhesion to: Glass, Nylon 6/6 Color: 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 µm/m/Deg C Nonflowable: Yes Shelf Life: 360 Days Specific Gravity: 1.1 @ 25°C Tensile Strength: 940 psi Volume Resistivity: 4.4e+014 Ω·cm ## Features - 3145 RTV, 90ml 3oz one Tube. Clear / Gray. One-part, moisture RTV, non-flow, high strength, Adhesive Sealant. Sealing, Assembly of components on PWBs, Electrical use - Color: Clear, Grey. 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. Shelf Life: 360 Days. Specific Gravity: 1.1 @ 25°C. Tensile Strength: 940 psi. Volume Resistivity: 4.4e+014 Ω·cm. - Sealing. Battery Pack, Boards and Assemblies, Components, Housings. Electrical Use. PWBs - Non-flowing. High tensile strength and elongation. Enhanced thermal stability. Water Resistant. Non-Slump. Primerless Adhesion ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0F2MY7WJS | | Best Sellers Rank | #99,774 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #111 in Industrial Joint Sealants | | Brand | HushOil | | Brand Name | HushOil | | Compatible Material | Dowsil 3145 Rtv | | Customer Reviews | 4.8 out of 5 stars 12 Reviews | | Included Components | Dowsil 3145 RTV | | Item Form | Gel | | Manufacturer | dow | | Material | no | | Material Type | no | | Number of Items | 1 | | Number of Packs | 1 | | Part Number | 016 | | Style | tube | | Style Name | tube | | Water Resistance Level | Water Resistant | ## Product Details - **Brand:** HushOil - **Item Form:** Gel - **Material:** no - **Style:** tube - **Water Resistance Level:** Water Resistant ## Images ![3145 RTV 90ml 3oz Clear Adhesive Sealant Mil-A-46146 Electrical Battery Board Housing Moisture Sealing Non Flow Primerless Adhesion High Strength Group II/III (3145 Clear 90ml) - Image 1](https://m.media-amazon.com/images/I/61njKw-jlsL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/719548605-3145-rtv-90ml-3oz-clear-adhesive-sealant-mil-a-46146](https://www.desertcart.jp/products/719548605-3145-rtv-90ml-3oz-clear-adhesive-sealant-mil-a-46146) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-08*