--- product_id: 57030826 title: "Sodium Silicate 40% - Water Glass (1 Gallon)" brand: "cq concepts inc." price: "491.54 DT" currency: TND in_stock: true reviews_count: 8 category: "Cq Concepts Inc." url: https://www.desertcart.tn/products/57030826-sodium-silicate-40-water-glass-1-gallon store_origin: TN region: Tunisia --- # High-temp resistant, hardens with heat 40% pure sodium silicate concentration 4:1 dilution ratio for concrete sealing Sodium Silicate 40% - Water Glass (1 Gallon) **Brand:** cq concepts inc. **Price:** 491.54 DT **Availability:** ✅ In Stock ## Summary > 🔧 Seal it. Fix it. Harden it. Own the power of Water Glass. ## Quick Answers - **What is this?** Sodium Silicate 40% - Water Glass (1 Gallon) by cq concepts inc. - **How much does it cost?** 491.54 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/57030826-sodium-silicate-40-water-glass-1-gallon) ## Best For - cq concepts inc. enthusiasts ## Why This Product - Trusted cq concepts inc. brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Versatile Fixer:** Seals concrete, repairs head gasket leaks, and withstands extreme conditions without breaking down. - • **Precision Dilution:** Easily mix at a 4:1 water ratio for optimal concrete sealing performance. - • **Industrial-Grade Purity:** 40% sodium silicate ensures maximum efficacy for sealing and binding applications. - • **Heat-Hardened Durability:** Improves strength with exposure to high temperatures, perfect for foundry and automotive uses. - • **Non-Hazardous & User-Friendly:** Safe to handle with no toxic risks, ideal for professional and DIY projects alike. ## Overview Sodium Silicate 40% (Water Glass) is a versatile, industrial-grade liquid chemical that dries into a glass-like, heat-resistant sealant. Dilutable at 4:1 with water, it excels as a concrete sealer and high-temperature binding agent, trusted for automotive gasket repairs and foundry applications. Non-hazardous and easy to use, it hardens further with heat exposure, delivering long-lasting durability for professional-grade projects. ## Description Sodium Silicate 40% is a product commonly called "Water Glass". This non-hazardous chemical dries to glass like substance. Diluted 4:1 with water it can be used as a concrete sealer among other uses. Review: Water glass for head gasket repair - I have used water glass for head gasket repair for years , this works perfectly for the application Review: Sodium Silicate 40% - Water Glass (1 Gallon) - Great Product ## Features - Water Glass - 3.42 Weight Ratio - Concrete selaer - Technical Grade ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00QL4ZV0I | | Best Sellers Rank | #4,724 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #16 in Hardware Sealers | | Brand | CQ Concepts Inc. | | Brand Name | CQ Concepts Inc. | | Color | cloudy then dries clear | | Customer Reviews | 4.5 out of 5 stars 179 Reviews | | Item Dimensions | 6 x 6 x 12 inches | | Item Form | Liquid | | Item Weight | 12 Pounds | | Item dimensions L x W x H | 6 x 6 x 12 inches | | Manufacturer | CQ Concepts Inc | | Material | Sodium Silicate | | Material Type | Sodium Silicate | | Part Number | R-340-1 | | Style | Industrial | | Style Name | Industrial | | Unit Count | 128.0 Fluid Ounces | | Water Resistance Level | Not Water Resistant | ## Product Details - **Brand:** CQ Concepts Inc. - **Item Form:** Liquid - **Item Volume:** 1 Gallons - **Item Weight:** 12 Pounds - **Package Information:** Bottle ## Images ![Sodium Silicate 40% - Water Glass (1 Gallon) - Image 1](https://m.media-amazon.com/images/I/618upk9jYxL.jpg) ![Sodium Silicate 40% - Water Glass (1 Gallon) - Image 2](https://m.media-amazon.com/images/I/21YXoVllpmL.jpg) ## Questions & Answers **Q: What is the ratio to water in an auto engine as a sealer. I have read 2.5% to 5% of capacity ?** A: Get engine warm and add 1 quart. Did this on a cracked head in a 62 Chevy. Worked great. **Q: Can waterglass be used to preserve eggs ?** A: If you Google water glass (two words) you will find many references to preserving eggs in water glass for 18 to 24 months without refrigeration. My Dad's family did this. **Q: is it pre diluted or dose it need to be diluted** A: This product is a 40% solution and can be diluted depending on your application. We do not have application specific instructions so it is up to the consumer to know how to properly apply the product. **Q: Could be used with sand to be hardener with CO2? To make sand core in foundry industries** A: yes it is a very good hardener. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Water glass for head gasket repair *by M***. on May 10, 2026* I have used water glass for head gasket repair for years , this works perfectly for the application ### ⭐⭐⭐⭐⭐ Sodium Silicate 40% - Water Glass (1 Gallon) *by D***E on June 3, 2026* Great Product ### ⭐⭐⭐⭐ The sealing capabilities *by R***N on May 14, 2026* While it works as instructed the down side is due to its liquid state, if you concrete crack is too deep you would find out running out the product. ## Frequently Bought Together - Sodium Silicate 40% (Water Glass) - Fireworks 1-Pound Kiln Wash - CCHUIXI Heat Resistant Tape, Kapton Tape, polyimide Film Tape for PCB Masking, Battery Wrapping, Electrical tasks, No Glue Residue. --- ## 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.tn/products/57030826-sodium-silicate-40-water-glass-1-gallon](https://www.desertcart.tn/products/57030826-sodium-silicate-40-water-glass-1-gallon) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-06-10*