--- product_id: 17058346 title: "J-B Weld Hi-Temp RTV Silicone" brand: "j-b weld" price: "₩22876" currency: KRW in_stock: true category: "J B Weld" url: https://www.desertcart.kr/products/17058346-j-b-weld-hi-temp-rtv-silicone store_origin: KR region: South Korea --- # Waterproof, weather-resistant seal Withstands up to 550ºF continuous heat Sensor-safe & crack-resistant durability J-B Weld Hi-Temp RTV Silicone **Brand:** j-b weld **Price:** ₩22876 **Availability:** ✅ In Stock ## Summary > 🔥 Seal the deal with the ultimate high-temp gasket maker! ## Quick Answers - **What is this?** J-B Weld Hi-Temp RTV Silicone by j-b weld - **How much does it cost?** ₩22876 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/17058346-j-b-weld-hi-temp-rtv-silicone) ## Best For - j-b weld enthusiasts ## Why This Product - Trusted j-b weld brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Forms a tough, waterproof, and weatherproof gasket that won’t shrink or crack over time. - • **Trusted Legacy:** 40+ years of industry-leading strength and reliability, proudly made in the USA. - • **Heat-Defying Sealant:** Handles extreme temps up to 550ºF continuous, 650ºF intermittent—no sweat. - • **DIY Confidence Booster:** Easy air-moisture curing means you get a perfect seal without professional help. - • **Versatile Power Player:** Ideal for automotive, metal, and mechanical assemblies—oil pans to oven doors. ## Overview J-B Weld 31314 Red High Temperature RTV Silicone Gasket Maker is a professional-grade, room temperature vulcanizing silicone sealant designed for mechanical assemblies exposed to extreme heat up to 550ºF continuous and 650ºF intermittent. It cures into a durable, waterproof, and weather-resistant gasket that resists shrinking, cracking, and sensor interference. Perfect for automotive and metal applications, this 3 oz. gel is easy to apply and trusted by professionals for over 40 years. ## Description J-B Weld Hi-Temp Red RTV Silicone Gasket Maker and Sealant J-B Weld Hi-Temp Red Silicone Gasket Maker and Sealant is an RTV (Room Temperature Vulcanized) Silicone gasketing material, designed for use in mechanical assemblies where the existence of higher, continuous temperatures up to 550 degrees F or 650 degrees F intermittent might exist. Upon curing, which occurs when the product is exposed to the moisture in air, the silicone forms a tough, waterproof seal on most surfaces. It will not shrink or crack, resists weathering, is sensor safe and is great for many automotive applications. Great for: Oil Pans Valve Covers Exhaust Manifolds Water Pumps Timing Covers Differential Covers Drive Housings Oven Doors Use on: Automotive Metal And moreInstructions1. Prepare: Clean surface area of dirt, grease, oil, paint or loose debris. For best results use a detergent or degreaser to first clean the surface, then roughen surface with file or coarse sandpaper to provide the best repair. 2. Apply: Apply even, continuous ¼ inch bead of Silicone to one surface area. Surround all bolt holes with Silicone. 3. Assemble: Reconnect parts while Silicone is wet. 4. Secure: Hand tighten until Silicone begins to squeeze out. 5. Dry: Allow drying for 1 hour and then tighten an additional 1/2 turn. 6. Finish: Scrape or cut away excess cured sealant. Silicone will fully cure in 24 hours. J-B Weld is proudly made in the USA ## Features - HI TEMP RED SILICONE GASKET MAKER & SEALANT: Is an RTV (Room Temperature Vulcanized) Silicone gasketing material, designed for use in mechanical assemblies where the existence of higher, continuous temperatures up to 550º F or 650º F intermittent might exist - COUNT ON US: For more than 40 years, our products have earned a loyal following from people who take pride in their work. With each product we innovate, we continue to provide the world's strongest bond for your projects - EASY TO USE: Curing when the product is exposed to the moisture in air, it forms a tough, waterproof seal on most surfaces. It will not shrink or crack, resists weathering and is sensor safe - VERSATILE & DEPENDABLE: Ideal for automotive, metal, oil pans, exhaust manifolds, water pumps, timing covers, differential covers, drive housings and oven doors - DO IT YOURSELF: Big or small, you can DIY it with J-B. Our heavy duty adhesives repair & restore it right the first time. JB Weld delivers the legendary performance of the World's Strongest Bond ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00ID8IUJY | | Best Sellers Rank | #4,803 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #11 in Silicone Adhesives | | Brand Name | J-B Weld | | Color | HI-TEMP RED | | Compatible Material | Metal | | Customer Reviews | 4.7 4.7 out of 5 stars (5,923) | | Global Trade Identification Number | 00043425313140 | | Included Components | JBWeld 31314 | | Item Dimensions | 1.97 x 1.57 x 6.3 inches | | Item Form | Gel | | Item Type Name | RED SILICONE RTV GASKET MAKER - 3 OZ. | | Item Weight | 90 g | | Manufacturer | JBWeld | | Material Type | Silicone | | Model | 31314 | | Number of Items | 1 | | Part Number | 31314 | | Style Name | Compact | | Surface Recommendation | Door | | UPC | 043425313140 043425700193 | | Unit Count | 3 Ounce | | Warranty Description | LIMITED WARRANTY | | Water Resistance Level | Waterproof | ## Product Details - **Brand:** J-B Weld - **Item Weight:** 90 g - **Item dimensions L x W x H:** 1.97 x 1.57 x 6.3 inches - **Material:** Silicone - **Style:** Compact ## Images ![J-B Weld Hi-Temp RTV Silicone - Image 1](https://m.media-amazon.com/images/I/715hV11MEoL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: My portable convection oven (heats to 500 degrees) glass door fell out of the metal bracket. Would this work to glue it back in?** A: Be careful of sealant giving off toxic fumes the first few times you use it. Try heating up the oven 2-3 times before actually placing food inside that could absorb the toxic off-gasses. **Q: Would this be a good product for sealing a crack in a dishwasher liner?** A: Yes- I did this, along with filling in a gap on the dishwasher door gasket (which was ultimately replaced). Worked great! Be sure to clean the surface and rough it up a little (a bit of sandpaper, then clean the sandpaper dust off before application of the RTV). Used it a few years ago- is still sealed; all is well. **Q: Can I use it to glue shower mirror to tile in my shower** A: I wouldn't use it for that purpose myself. I qouls suggest an industrial caulking-type adhesive such as Loctite or Tough As Nails. **Q: Can you remove it if needed?** A: Believe the instructions are on the back side of the package. You can use acetone or paint thinner to remove.Its great stuff. Works well. ## Frequently Bought Together - J-B Weld 31314 High Temperature RTV Silicone Gasket Maker and Sealant - Red - 3 oz. - 1/4" ID Silicon Tubing, JoyTube Food Grade Silicon Tubing 1/4" ID x 3/8" OD 10 Feet High Temp Pure Silicone Hose Tube for Home Brewing Winemaking - ANPTGHT 1/4” Thru-Bulk Bulkhead Plastic Hose Barb Fittings Union Adapter Fittings for Aquarium Fuel Gas Liquid Air with Metal washers (Pack of 6) --- ## 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.kr/products/17058346-j-b-weld-hi-temp-rtv-silicone](https://www.desertcart.kr/products/17058346-j-b-weld-hi-temp-rtv-silicone) --- *Product available on Desertcart South Korea* *Store origin: KR* *Last updated: 2026-08-10*