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Wiska ONEGEL/W is a premium 300ml transparent silicone gel designed for electricians and DIY pros. It offers superior electrical insulation with a dielectric strength of 25kV/mm, operates reliably across a vast temperature range (-60 to +200°C), and remains permanently soft and re-enterable for easy adjustments. Its water-resistant, non-setting formula ensures a clean, invisible seal on diverse materials like plastic, glass, and wood—making it the go-to gel for professional-grade sealing and insulation.
| Asin | B079T4538N |
| Best Sellers Rank | 181,326 in DIY & Tools (See Top 100 in DIY & Tools) 1,993 in Sealers |
| Brand | WISKA |
| Colour | Transparent |
| Compatible Material | Plastic, glass, ceramic, wood-based material, cardboard, vinyl, hairpiece, rubber |
| Container Type | Bottle |
| Customer Reviews | 4.3 4.3 out of 5 stars (46) 4.3 out of 5 stars |
| Included Components | onegel |
| Item Form | Gel |
| Item Package Quantity | 1 |
| Item Type Name | onegel |
| Item Volume | 300 Millilitres |
| Item Weight | 338 Grams |
| Manufacturer | Wiska |
| Manufacturer Part Number | onegel |
| Material | Silicone |
| Model Number | onegel |
| Number Of Pieces | 1 |
| Other Special Features Of The Product | Repositionable |
| Unit Count | 300.0 millilitre |
| Viscosity Level | High |
| Water Resistance Level | Water Resistant |
User
Perfect for electric bikes
Ideal for electric bikes, literally a life saver, extremely water resistant and dried within 24 hours
User
Great for exterior security panels and speakers
Does exactly what it says, seals electronics from the elements.We used this on exterior speakers and security panels and it has solved our corrosion issues we’ve been experiencing on them.
User
It's messy
Price was high but works
User
Works well but very messy to use.
It’s very gloopy, it doesn’t set. So you can imagine how difficult it is to use in situ. You need rubber gloves and push the gel around the connectors. Overfill, then press the cover on and screw in place. It definitely appears to work, the junction box is below ground level and despite waterproofing the joints, eventually water got in and tripped the circuit breaker. I’ve had no recurrence since filling the junction box with the gel. In similar locations I think I would try marine silicone sealant.
User
that i can reuse it
none
User
This product does not work and is not as advertised
I have been an electrician for 40 years. Do not buy this product, instead buy a two part mix system.
User
Did the job
Bought this to help waterproof a PIR which had access holes for the wiring in the back of it and thus would be exposed to moisture ingress and for another job of encapsulating a choc connector in an exterior project.The gel is the consistency of jelly and tacky (it is not an adhesive though). It was easy to inject into hole to fill the PIR but as it didn’t really flow, I don’t know how well it encased the internals.For the other project, it was difficult to mould the gel around the item as the gel wanted to split apart. As mentioned it didn’t really want to stick to anything or flow.I was hoping the product would flow better and then set to a gel but it stayed the same consistency throughout.I think for a job like encapsulating junction boxes it works quite well but it would be expensive to do more than 1 or 2.I think in future I’ll use marine grade silicone to seal Rather than encapsulated items.
User
Goo not flow
Certainly works well but it's difficult to apply. It certainly doesn't flow and is more of a sticky goo that needs manipulating into the voids. Suggest overfill the junction box and as you fit the lid it will squeeze the product in.
Trustpilot
3 days ago
1 week ago