

🔧 Seal it fast, seal it smart — never settle for leaks again!
That Rapid Blue Stuff Anaerobic Sealant is a cutting-edge pipe thread sealant designed for professional-grade leakproof connections. Compatible with copper, brass, steel, and ABS plastic, it cures quickly—ready for water exposure within 5 minutes—making it ideal for fast, reliable plumbing repairs and installations. Its compact 50ml bottle ensures easy handling and precise application, replacing traditional PTFE tape with a smoother, more efficient sealing solution.
| ASIN | B08PL2F37H |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 4,942 in DIY & Tools ( See Top 100 in DIY & Tools ) 125 in Sealers |
| Colour | Blue |
| Customer Reviews | 4.7 4.7 out of 5 stars (337) |
| Date First Available | 3 Dec. 2020 |
| Included components | 1Pcs |
| Item Package Quantity | 1 |
| Item Weight | 50 g |
| Manufacturer | Metsan Industries |
| Manufacturer reference | AS50 |
| Material | copper, brass, steel, ABS plastic |
| Part number | AS50 |
| Product Dimensions | 6 x 3 x 16 cm; 50 g |
| Style | Compact |
M**I
Brilliant stuff.
Wish I knew about this stuff years ago. No more guessing with ptfe tape. Put abit of this on new offset shower adapters, and left for 1hr. All set and no leaks. Apparently you can run it with water within 5 minutes as it’s to do with the no air in the threads but I left longer incase. Great stuff. Won’t go back to traditional tape now.
C**Y
Easy To Use Quick Drying.
I bought this to do the pipes on a shower I was replacing as PTFE tape is harder to use in smaller spaces. This is the first time I’ve used a liquid and it worked very well. On application to the threads of the nut it also acted as a lubricant making it a lot easier to screw on. I left it just a couple of minutes before putting the water back on and the seal was tight and leak proof. I could also see that it had dried as there was a tiny bit that came out the end of the nut but I just picked that off easily enough to keep it clean. I’ll definitely be using this in any other jobs around the house instead of tape. It just made the job easier.
G**R
Works great if a little pricey
Purchased this when fitting a new outside tap.. It's so much easier than PTFE tape.. Worked flawlessly but is a little pricey for what it does.
R**2
happy with item
used on head to seal for a specific engine as per manufactures instructions Cam carrier. Worked well and good product. would use again. And ok with value for money on product.
T**O
Worked
Easy to use and works. Helped me greatly.
R**A
Never fails
Used this product for a while now it never fails. Really good product
S**Y
A strong reliable assembly
Today's Tools Rapid Blue Stuff Anaerobic Sealant has become my go-to solution, rendering traditional PTFE tape and paste obsolete in my toolkit. This remarkable sealant achieves a welding effect on threads within minutes of assembly, creating a robust seal that stands up to the test of preventing unscrewing and leaking, as evidenced by a successful pressure test. One standout feature is its ability to form a tight seal and secure hold without requiring the threads to be fully screwed in. This flexibility proved invaluable for my shower outlet arm because it faced upwards when fully screwed home. The sealant's quick setting time, taking only a few minutes, allows for efficient application, with any excess easily wiped away because it only sets on the assembled thread. Once set, assembled parts remain steadfast, even under extreme leverage. When it comes to disassembly, I put the sealant to the test by using a heat gun on a high setting for around a minute. While successful disassembly was possible, it emphasised the importance of being certain about your setup before applying the sealant, as undoing it takes some effort. I've applied this sealant across various components, including shower outlets, radiator valves, extensions, and reducers, experiencing no issues or leaks during pressure tests and operation (now one month on) for hot and cold systems involving copper, brass, and stainless materials. It's essential to note that this sealant is not suitable for plastic threads. While I detected no noticeable smells during use, adequate ventilation is advised, and it's best to avoid skin contact to prevent potential irritation. To provide a visual demonstration of its usage and strength, I've included two videos showcasing its application. Hand-assembled fittings and unable to break free with a spanner within 5 minutes, this sealant has proven its reliability and effectiveness and I would recommend it. 🛠️🔩👍
S**G
Clogs easily
Dispenser system needs re-engineering. Clogs easily, is not intuitive and has twice covered me in blue gunk. However, very effective as a thread sealer.
D**.
super produit, je recommande vivement
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