--- product_id: 7377403 title: "No. 5 25631 Pipe Thread Sealant, Lubricates & Protects Threads, Soft Setting, Slow Drying, & Permits Easy Breakout, Lead Free & Contains No Other Metals, 4 oz" brand: "rectorseal" price: "AED 76" currency: AED in_stock: true reviews_count: 13 category: "Rectorseal" url: https://www.desertcart.ae/products/7377403-no-5-25631-pipe-thread-sealant-lubricates-and-protects-threads store_origin: AE region: United Arab Emirates --- # Slow-drying for perfect seal Lead-free, metal-free safe for potable water Soft-setting, easy thread breakout No. 5 25631 Pipe Thread Sealant, Lubricates & Protects Threads, Soft Setting, Slow Drying, & Permits Easy Breakout, Lead Free & Contains No Other Metals, 4 oz **Brand:** rectorseal **Price:** AED 76 **Availability:** βœ… In Stock ## Summary > πŸ”§ Seal smart, break easy, and stay leak-free with RectorSeal No. 5! ## Quick Answers - **What is this?** No. 5 25631 Pipe Thread Sealant, Lubricates & Protects Threads, Soft Setting, Slow Drying, & Permits Easy Breakout, Lead Free & Contains No Other Metals, 4 oz by rectorseal - **How much does it cost?** AED 76 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ae](https://www.desertcart.ae/products/7377403-no-5-25631-pipe-thread-sealant-lubricates-and-protects-threads) ## Best For - rectorseal enthusiasts ## Why This Product - Trusted rectorseal brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Trusted by Professionals:** Preferred by HVAC, plumbing, and construction pros for reliable, high-performance sealing. - β€’ **Precision Seal Every Time:** Non-hardening formula ensures leak-proof, durable connections without thread damage. - β€’ **Versatile Pipe Compatibility:** Works seamlessly on galvanized steel, brass, copper, aluminum, stainless steel, PVC, and more. - β€’ **Safe for Drinking Water Systems:** Lead-free and metal-free, ideal for potable water and natural gas lines up to 2" and 100 psi. - β€’ **Effortless Application & Maintenance:** Soft-set compound lubricates threads for smooth assembly and easy disassembly. ## Overview RectorSeal No. 5 is a 4 oz slow-drying, non-hardening pipe thread sealant designed for professional tradesmen. Its soft-setting, lead-free formula lubricates and protects threaded connections across multiple pipe materials, enabling immediate service on natural gas and water lines up to 2" and 100 psi. Trusted for its easy application and safe use in potable water systems, it ensures durable, leak-proof seals without damaging threads. ## Description Product Description RectorSeal No. 5 is a non-hardening, slow-drying thread sealant made from special inert fillers dispersed in an oleoresinous base to facilitate its application to threaded pipe connections. Our pipe thread sealant is a soft-set, slow drying compound which seals, lubricates, and protects threaded pipe and fittings. RectorSeal No. 5 pipe dope thread sealant lubricates and protects pipe threads. Lead free and contains no metal. Permits easy break out with no damage to threads. For pipe made of galvanized steel, iron, brass, copper, aluminum, stainless steel, polyethylene, reinforced fiberglass, and PVC. DO NOT USE ON ABS OR CPVC. For natural gas and water lines up to 2" and pressure up to 100 psi, the piping system may be placed into immediate service; other services are recommended 24 hours after application. FOR THE TRADESMAN: RectorSeal is recognized as a leading provider of quality solutions for the professional trades serving heating, ventilation, and air conditioning (HVAC/R), plumbing, electrical, and construction markets. From the Manufacturer Rector seal 4-Ounce No. 5 Pipe Thread Sealant 25631.This is a Hazmat non-returnable item Review: Reliable Sealant That Gets the Job Done! - The RectorSeal No. 5 Pipe Thread Sealant is hands down one of the best sealants I’ve used. It applies smoothly, spreads evenly, and seals perfectly every time. I’ve used it on both metal and PVC threads with zero leaks β€” even under pressure. It stays pliable without hardening or cracking, which makes maintenance easy. The 4-ounce can is the perfect size for both professionals and DIY jobs, and a little goes a long way. Cleanup is simple, and the consistency is just right β€” not too thick, not too runny. If you’re looking for a dependable thread sealant that works across plumbing, gas, and industrial applications, this is the one. RectorSeal never disappoints! πŸ’ͺ🧰 Review: Best there is - Best sealant made , I have used for 47 years ## Features - APPLICATION: RectorSeal No. 5 is a non-hardening, slow-drying thread sealant made from special inert fillers dispersed in an oleoresinous base to facilitate its application to threaded pipe connections - SOFT SETTING: Our pipe thread sealant is a soft-set, slow drying compound which seals, lubricates, and protects threaded pipe and fittings and will not dry out in the container - POTABLE WATER SEALANT: RectorSeal No. 5 pipe dope thread sealant lubricates and protects pipe threads; lead free and contains no metal; permits easy break out with no damage to threads - PIPE COMPATIBILITY: for pipe made of galvanized steel, iron, brass, copper, aluminum, stainless steel, polyethylene, reinforced fiberglass, and pvc. do not use on abs or cpvc; for natural gas and water lines up to 2" and pressure up to 100 psi, the piping system may be placed into immediate service; other services are recommended 24 hours after application - FOR THE TRADESMAN: RectorSeal is recognized as a leading provider of quality solutions for the professional trades serving heating, ventilation, and air conditioning (HVAC/R), plumbing, electrical, and construction markets ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B001P5F9X2 | | Batteries Included? | No | | Batteries Required? | No | | Best Sellers Rank | #14,741 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #28 in Industrial Thread Sealants | | Color | Yellow | | Customer Reviews | 4.7 4.7 out of 5 stars (754) | | Date First Available | September 10, 2006 | | Included Components | Unit^Instruction Guide | | Is Discontinued By Manufacturer | No | | Item Package Quantity | 1 | | Item Weight | 7.3 ounces | | Item model number | 25631 | | Manufacturer | Rectorseal | | Material | Plastic | | Measurement System | Metric | | Number Of Pieces | 1 | | Number of Handles | 1 | | Part Number | 25631 | | Product Dimensions | 3 x 3 x 3.3 inches | | Size | 4 fl. oz. | | Special Features | special_feature | | Style | Compact | | Thickness | 1 Inches | | Usage | specific_uses_for_product | | Warranty Description | No | ## Product Details - **Material:** Plastic - **Brand:** Rectorseal - **Style:** Compact - **Item Weight:** 0.46 Pounds - **Item dimensions L x W x H:** 3 x 3 x 3.3 inches ## Images ![No. 5 25631 Pipe Thread Sealant, Lubricates & Protects Threads, Soft Setting, Slow Drying, & Permits Easy Breakout, Lead Free & Contains No Other Metals, 4 oz - Image 1](https://m.media-amazon.com/images/I/611p5A7KsPL.jpg) ## Questions & Answers **Q: Can it be used for LP gas?** A: I bought it for my new Natural Gas oven/range, You may want to read the below link :copy and paste below linkhttp://ows.rectorseal.com/product-data/RectorSeal-T-Plus-2/dstplus2.htm *** I see this product may not be what you want for LP GAS according to Rectorseal, you my be better off using their product called: Copy and paste below into Amazon's search box: Rectorseal 23631 1/4 Pint Brush Top T Plus 2 Pipe Thread Sealant **Q: Can you use this on pvc cleanout adapter threads?** A: Yes, you can. Actually, Rectorseal would probably be one of the BEST products to use in this situation. The product description states that it can be used on PVC and CPVC. Rectorseal is a tan-colored, thick paste that acts as a lubricant and sealant on threaded connections. It is NON-hardening, so it STAYS as a paste. Since the PVC clean-out is a threaded connection, it should work just fine, without hardening or deforming your PVC pipe. **Q: The picture and the description both say 4 oz (1/4 pint). the technical details say 8 ounces. which is it?** A: It is 4 oz as described on the bottle.I do apologize for any confusion.Thank you! **Q: Can we use for natural gas black pipe fitting or its only for brass fitting like valve etc. thanks** A: Use it on black iron or galgalvanized. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Reliable Sealant That Gets the Job Done! *by H***T on October 12, 2025* The RectorSeal No. 5 Pipe Thread Sealant is hands down one of the best sealants I’ve used. It applies smoothly, spreads evenly, and seals perfectly every time. I’ve used it on both metal and PVC threads with zero leaks β€” even under pressure. It stays pliable without hardening or cracking, which makes maintenance easy. The 4-ounce can is the perfect size for both professionals and DIY jobs, and a little goes a long way. Cleanup is simple, and the consistency is just right β€” not too thick, not too runny. If you’re looking for a dependable thread sealant that works across plumbing, gas, and industrial applications, this is the one. RectorSeal never disappoints! πŸ’ͺ🧰 ### ⭐⭐⭐⭐⭐ Best there is *by D***. on April 15, 2026* Best sealant made , I have used for 47 years ### ⭐⭐⭐⭐⭐ Easy to apply *by M***R on April 7, 2026* AS far as I know this is safe for NPT fittings in hydraulic systems. It is as easy to use as regular pipe dope and functions the same way. ## Frequently Bought Together - Rectorseal 25631 4-Ounce No. 5 Pipe Thread Sealant , Yellow , 4 fl. oz. - VOTMELL 4 Rolls 1/2 Inch(W) X 520 Inches(L) Teflon Plumbers Tape,Pipe Sealing & Plumbing Thread Tape,PTFE Water Sealant Seal for Shower Head,White - Harvey 017065 Gas Line PTFE Thread Seal Tape --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.ae/products/7377403-no-5-25631-pipe-thread-sealant-lubricates-and-protects-threads](https://www.desertcart.ae/products/7377403-no-5-25631-pipe-thread-sealant-lubricates-and-protects-threads) --- *Product available on Desertcart United Arab Emirates* *Store origin: AE* *Last updated: 2026-06-17*