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Realth Silicone Gasket Maker is a premium ultra-black RTV silicone sealant designed for high-strength flange sealing across metals, glass, and wood. It withstands extreme temperatures (-60ºC to 280ºC), resists oil and water, and cures into a durable, flexible gasket within 24 hours—ideal for automotive and industrial repairs demanding reliability and longevity.






















| ASIN | B0B1QL13W2 |
| Best Sellers Rank | 1,016 in Automotive ( See Top 100 in Automotive ) 13 in Fillers, Adhesives & Sealants |
| Brand | Realth |
| Colour | Black |
| Compatible Material | Glass, Metal, Wood |
| Country Of Origin | China |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,346) |
| Item Dimensions | 19 x 9 x 3 centimetres |
| Item Form | Paste |
| Item Weight | 0.1 Kilograms |
| Manufacturer | Realth |
| Manufacturer Part Number | SG119 |
| Material | Silicone |
| Model Number | SG119 |
| Number of Items | 1 |
| Style Name | silicone |
| Surface Recommendation | Metal, Glass, Wood, Automotive Parts, Pipe, Counter Top, Sink, Tub, Window, Door |
| Unit Count | 100.0 gram |
| Water Resistance Level | Water Resistant |
B**1
Good product
Used this when i replaced a rocker cover gasket, theres 4 spots on my engine that needs a dot of gasket sealent and this stuff fits the bill and works flawlessly, great value for mkney considering the tube size will last years for me.
B**R
Did the job.
Follow the instructions and you should be good. I let it pre dry as suggested at low torque. Then torqued to spec. Let for 24 hours and the sump on my motorcycle no longer leaks. Obviously you need to do a good cleanup first and degrease. Then apply a think bead all the way round and surrounding any screw holes.
T**N
Good product
Does what is says on the tube
P**Y
Gasket sealer
Really good product’ works well.
N**L
Did the job
Seemed the work really well
J**O
does the job!
great - did the job, easy to apply
F**R
Good, but too slow to cure.
Affordable, easy application, squeezable tube, but extremely slow to cure that it definitely needs more than the 24hr claim. I'll no longer use it for a quick gig.
D**K
Strong for installing slip on
Strong and once settled no leaking when installing slip on
A**R
Halt super und ist gut zu verarbeiten
L**T
tres bien
B**J
Saved a good deal of money on this product. 3 for the price of 1 almost if purchased at auto parts store or even Walmart for the name brand. Highly recommend this produce.
M**A
This stuff is junk. Never drys . I applied it 1 week ago. it is still wet don't buy this junk.
N**S
Très bien
Trustpilot
2 weeks ago
5 days ago