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🔧 Seal smart, live seamless — the clear choice for lasting fixes!
Osi Sealants 3 Oz Superflex Clear RTV Silicone Adhesive Sealant delivers a professional-grade, waterproof seal with a fast 24-hour cure time. Its peel and tear resistant formula bonds to a wide range of materials including glass, wood, metal, and ceramics, maintaining crystal-clear clarity without cracking or shrinking. Ideal for both indoor and outdoor applications, this aquarium-safe sealant ensures durable, mess-free repairs that stand the test of time.




| ASIN | B0002BBX3U |
| Best Sellers Rank | 5,587 in DIY & Tools ( See Top 100 in DIY & Tools ) 129 in Sealers |
| Brand | Loctite |
| Colour | Clear |
| Compatible Material | Ceramic, Fibreglass, Glass, Marble, Porcelain, Wood |
| Container Type | Cartridge |
| Country Of Origin | USA |
| Customer Reviews | 4.4 4.4 out of 5 stars (18,635) |
| Full Cure Time | 24 Hours |
| Global Trade Identification Number | 00079340308084 |
| Item Form | Liquid |
| Item Package Quantity | 1 |
| Item Volume | 2.7 Fluid Ounces |
| Item Weight | 0.22 Pounds |
| Manufacturer | Henkel Corporation |
| Manufacturer Part Number | 908570 |
| Material | Glass, Ceramic, Porcelain, Wood, Marble, Fibreglass |
| Model Number | 2001083 |
| Number of Pieces | 1 |
| Other Special Features of the Product | Peel and tear resistant |
| Specific Uses For Product | Door frames, Windows, Vents, Toys, Appliances, Gaskets, Weather-stripping, Fireplace doors, Shoes, Boots |
| UPC | 079340308084 |
| Unit Count | 80.0 millilitre |
| Viscosity Level | Medium |
| Water Resistance Level | Waterproof |
S**Y
Works
This works. Used to seal any joins where aquarium light is fitted together
J**N
FOOD just cannot stick to Silicone
For the past few years I've ONLY cooked using Silicone. Using Silicone has saved me a fortune on grease-proof paper; plain flour and oils which BEFORE I always NEEDED to use to prevent food from sticking to the containers I cooked the food in. This sealant adequately glues items together without allowing food to contaminate the adhesive properties of the product and I recommend anyone who cooks as often as I, purchasing it because it will save them lots of money in years to come as it has already done for me. I bought a cheap Silicone container which after its first use came apart. This product prevented me from throwing the item away because I was able to repair it adequately. Trouble with food container manufacturers is they DOWNRIGHT REFUSE to make adequately sized containers so I have to make these myself.
M**A
Good but slowish cure
Does the job but cures slowed than the large tubes in my opinion
A**R
Did what it said on the tin.
Great
S**B
Excellent, long lasting.
Nice clear sealent, I bought the first tube neatly 2 years ago, to fix, and seal, a perspex splash back for the kitchen sink. This is still as good today as it was the day I installed it. The tube allowed me to apply a fine bead of sealent and wasnt as messy to use as the cartridges. I have also used it outside to fill small gaps around a south facing windows, were ants were getting in. The sealent is still usable two years on, as long as it is stored properly. I only bought a second tube because the original metal tube has been squeezed to oblivion and I have other worksurfaces that need resealing. It has stayed clear and hasn't turned milky coloured over time even it a very damp environment.
J**E
Sealant
Very good sealant and glue
M**T
Health and safety is of concern in using this product.
Galvanised roof sealant arrived promptly and conformed to the sales description. It carries risk in application and a good description was supplied with the product which is a powerful glue.
M**L
Not that great
Cheap design.. the nozzle is loose and does not bite onto the tube... the nozzle comes off everytime I press to release sealant
S**Y
This is a nice super glue easy to use with the applicator-also you won’t use too much than required because you can control it with the side pumps. The tip will not be blocked as the cover provided helps that thing to happen HIGHLY RECOMENDED!
G**T
J’ai utilisé cette colle pour refixer le capteur arrière d’une Apple Watch avec succès. Le capteur est solidement fixé et l’étanchéité restaurée.
N**M
Already applied it to perimeters of the sink and found it quite durable.
D**J
Very strong bond after 2 days of curing . I needed RTV silicone adhesive so I used this for glueing some electronics and it did a superb job. Very mendable even for half hour and then if you need full strength cure it for 48 hrs . But yes very nice . If it hasn't cured fully , smells like spirits , and when the smell is gone / faded to v low , you could say it finished curing . Do not seal it while curing since it needs the open air to do so .
M**O
Ottimo prodotto.
Trustpilot
2 weeks ago
1 month ago