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🔧 Seal it once, trust it forever – the pro’s choice for leak-proof pipes!
LOCTITE SI 5331 is a premium acetoxy silicone liquid thread sealant designed for hot and cold water-carrying plastic and metal pipes. It cures via ambient humidity to form a permanently elastic, vibration-resistant seal effective up to 150°C. Packaged in convenient 12x100ml tubes, it’s WRAS, DVGW, and NSF certified for use in drinking water systems, making it the ultimate solution for secure, leak-proof plumbing in industrial, agricultural, and residential applications.
| Asin | B0052EGAXK |
| Best Sellers Rank | 82,425 in DIY & Tools (See Top 100 in DIY & Tools) 1,121 in Sealers 7,541 in Nails, Screws & Fasteners |
| Brand | Loctite |
| Colour | White |
| Compatible Material | Metal |
| Container Type | Tube |
| Country Of Origin | Italy |
| Customer Reviews | 4.4 4.4 out of 5 stars (263) 4.4 out of 5 stars |
| Full Cure Time | 96 Hours |
| Included Components | 1x LOCTITE SI 5331 |
| Item Form | Paste |
| Item Package Quantity | 1 |
| Item Type Name | LOCTITE SI 5331 |
| Item Volume | 100 Millilitres |
| Item Weight | 100 g |
| Manufacturer | Loctite |
| Manufacturer Part Number | 2061031 |
| Material | Metal,Plastic,Silicone |
| Model Number | 5331 |
| Number Of Pieces | 12 |
| Other Special Features Of The Product | Strong |
| Specific Uses For Product | Craft |
| Tensile Strength | 175 Pounds Per Square Inch |
| Viscosity Level | Medium |
| Water Resistance Level | Not Water Resistant |
User
The best leak prevention on swimming pool fittings
Having tried using Loctite 55 on a swimming pool MPV and having the valve still leak at the threaded joints, I opted to try out this liquid sealant.I put the liquid on both the make and female joints and easily screwed them in by hand. I waited 24hr before I turned on the pump & when I did, there were no leaks from any of the joints. I’ve bought another tube as backup, I’ll be using this stuff instead of PTFE Tape and silicone from now on.
User
Good result
Used on the thread of a plastic end of steel tap in kitchen. Spread over threads of both male and female threads. Allowed to cure for 24hrs and so far plastic end of tap is remaining in place whereas previously it would fall off with water force.
User
Great product thank you loctite
For sealing threaded joints between metal and plastic pipe fittings. There is nothing better and it's WRAS approved for when dealing with potable water. Simple perfect.
User
Inaccurate description - YOU ONLY RECEIVE 1 TUBE NOT 12
Do NOT ORDER if you think you are getting 12 x 100ml as advertised. You will only receive ONE tube NOT 12
User
Five Stars
Just the job
User
False description.
Description is 12x100ml.Only 1x100ml delivered.
User
Parfait
Livraison et produit parfait
User
Recieved ONLY 2 tubes!
Only received 2 tubes! Make this right and ill order more and update this rating.
User
Misleading information
Leverancier heeft in de omschrijving 12x100ml staan, echter ze sturen er maar één op. Prijs is daarom te hoog, als je met de leverancier in discussie gaat over deze omschrijving geven ze de opmerkingen "je hebt er maar één besteld*, bij andere leveranciers betaal je maar €22 voor één tube. Hier dus niet kopen!
User
Alles super 👍
Alles reibungslos 👍
User
LOCTITE una garanzia
la uso da diversi anni e per me la ritengo migliore
Trustpilot
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