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🔒 Seal it once, trust it forever — the pro’s choice for leak-proof pipes!
LOCTITE SI 5331 is a high-performance silicone thread sealant designed for industrial and professional use on plastic and metal water pipes. It forms a permanently elastic, vibration-resistant seal effective from -50°C to 150°C, suitable for hot and cold water systems. Certified safe for drinking water applications, this one-component, paste-like sealant cures via humidity and comes in convenient 12x100ml tubes, ensuring secure, leak-proof connections in plumbing, agriculture, and wastewater installations.
| ASIN | B0052EGAXK |
| Best Sellers Rank | #121,393 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #643 in Hardware Sealers |
| Brand Name | LOCTITE |
| Color | White |
| Compatible Material | Plastic |
| Container Type | Bottle |
| Customer Reviews | 4.5 4.5 out of 5 stars (252) |
| 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 Weight | 0.22 Pounds |
| Manufacturer | Henkel |
| Material Type | Metal,Plastic,Silicone |
| Model | 5331 |
| Number of Pieces | 12 |
| Other Special Features of the Product | Strong |
| Part Number | 2061031 |
| Specific Uses For Product | Craft |
| Tensile Strength | 175 Pounds Per Square Inch |
| Unit Count | 100 Milliliters |
| Viscosity | High Viscosity |
| Viscosity Level | High |
| Volume | 1200 Milliliters |
| Water Resistance Level | Not Water Resistant |
A**N
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.
D**N
Livraison et produit parfait
C**N
Only received 2 tubes! Make this right and ill order more and update this rating.
M**O
Ottimo e semplice da usare
P**E
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!
Trustpilot
1 week ago
2 months ago