Most O-rings are made of synthetic rubber and the best lubricant for such is that with silicone compounds. This is why a majority of the products on our list today are silicone-based. To apply lubricants, you can use your hands, brush or directly from the container itself, depending on what feels ok for you, or how the lubricant is designed.
A good number of these lubricants are considered safe, and that’s why you’ll not be exposed to any form of contamination when you use your hands for the same. The best lubricants for O-rings that we’re about to review are chosen carefully considering the following: Stability temperature effects, water resistance, pumping ability and consistency.
Reviews for the 7 best lubricants for O-rings in 2020
Here are best selling lubricants for O-rings on the market today
DANCO Waterproof Food Grade Silicone Grease for O-Rings
Danco is one of the world’s largest suppliers of practical and affordable plumbing materials, so their lubricant is definitely off the hook. This should be your number one installation partner when working on a permanent seal like those required for sinks and toilet parts. It features a higher silicone content that gives it a durable hold which is relatively safe for rubber or nitrite O-rings. So when using this, ensure that it’s an item you’re not planning to get moved in the future.
It’s approved and made for waterproofing. The lubricant works effectively on valve stems and faucets, so there should be no leakages. You shouldn’t worry about any contamination incase you’re using it on parts where your drinking water is flowing. Its consistency remains the same, for even up to 400° F.
The lubricant is also safe in that it’s odorless and colorless. With this, you’ll have no scent to battle with when applying on surfaces, and also the aftermath will be pigments-free and so no cleaning is needed afterwards.
- Clean and odorless
- Waterproof seals
- Ideals for long term holds
- Safe on water for consumption
- Resistant to chemicals
- Doesn’t lubricate effectively
Trident Silicone Grease Jar
Trident silicone grease is designed for rubber and cylinder O-rings, valve system and regulator components, hoses, breathing apparatus and much more. It’s composed of formulas that easily permeate rubber surfaces, giving them deep and durable conditioning. Treating your items with the grease in this jar makes them resistant to cracking and drying, thereby providing a better cover.
Apart from the aforementioned, the grease minimizes damages associated with having a tool exposed to harsh elements by creating a superior seal which is oxidant resistant and waterproof. No matter how long the product is used, it will still remain pliable. It’s safe in all possible ways, in that the contents are 100% pure, non-toxic and non-flammable.
- Stays pliable for long
- Different sizes available
- Preserves surfaces where it’s used
- No greasy residues left
- Safer on the skin
- No cons reported
Super Lube 56204 O-Ring Clear Silicone Lubricant
This is a non-curing lubricant perfect for lubricating and protecting O-rings from damages resulting from abrasion, cutting and pinching. Its waterproof nature makes it a good shield against contaminants like moisture. One of the challenges during assembling operations is keeping O-rings in the rightful place.
But this will be in the past when you have the Super Lube 562014. It even speeds up the operations, making it a plus for automated assembly. Being clear and clean in appearance makes it compatible with a number of rubber and plastics with no afterward cleaning required. The result is a better looking seal that positively impacts on the lifespan of the O-ring.
- Reliable shield against contaminants
- Compatible with most materials
- Makes O-rings durable
- It’s easy to apply
- Suitable for indoors and outdoors
- No cons reported
Versachem 15339 Dielectric Connector Grease
Here’s another high performance grease with 100% silicone compound. This is what makes it handy when you need boots removed from distributor caps and spark plugs after they have been exposed to extreme energy ignition systems and engine temperatures. The grease is also usable on electrical connections in order to prevent power from being interchanged within circuitry.
It forms seals resistant to corrosion, flames, moisture, extreme temperatures, alcohol, ketone, and voltage leakage and arcing. Its strength lies in fixing of electrical items like distributor rotors and boots, marine electrical connections, light-bulb, trailing and headlight sockets.
- High performance
- Dries faster, saving time
- Resistant to water, corrosion and flames
- Perfect for electrical contacts
- Unsafe on skin
Mission Automotive Dielectric Grease/Silicone Paste/Waterproof Marine Grease
For Mission Automotive, it’s all about sealing and protecting. Theirs is a thick paste that offers durable water proofing, all thanks to the silicon compound. This product is produced under the greatest industry standards. This further prevents oxidation and corrosion and also seals out any external contaminants that may work on the seal.
It also a great way to save some money because of the different uses that it has. It can be used on automotive, marine and electrical-based surfaces and is also compatible with metal, rubber and plastic. So if you’re having troubles with voltage leaks with your electrical connections, this is the solution you need.
It works equally well in lubricating parts when re-assembling and in order to give you easy times with application, the lubricant comes with an applicator brush already attached on the lid. You’ll realize that the brush is bent at an angle to help reach the furthest edges of the jar, even as you continue to use the paste.
- High quality dielectric grease
- Features a pre-bent applicator brush
- Thick and doesn’t come off easily
- Highly versatile
- Brush gets it messy sometimes
3M 08946 Clear Silicone Paste
For those who love spending on items that can be used in a number of ways, 3M is the way to go. It’s not only great for O-rings, but also on any other plastic, metal and rubber applications like car brakes. It still functions effectively even when the areas that need attention is made up of a combination of materials like plastic and metal, plastic and rubber, or rubber and metal.
What makes it stand out is its silicone compound which is designed to insulate surfaces from oxidation. For rubber, it acts as a great conditioner, keeping the surface soft and supple. It further protects it from damages of wear and tear, making it durable. The paste is also hardening and water-proof, ensuring that your seal stays longer.
The amounts of paste needed will depend on how durable you want the seal to be. You can go thicker for purposes of sealing out moisture or thinner with the layer if all you want is to lubricate and protect.
- Great dielectric properties
- In-built brush for ease of application
- Usable as thin or thick films
- Fairly priced
- Gets certain surfaces slippery
Lubegard 75200 Zer0 Pool and Spa Lubricant
It’s designed in a way that you can trouble shoot and do any preventative maintenance on the O-rings without having to dissemble the fixtures. This saves up times for dissembling and re-assembling once done, and this sometimes might need extra skills. It’s way effective such that if you try it on old tools, they’ll begin to function in a brand new way.
This lubricant helps reduce friction and resist grit. At the end of the day, you’ll have more durable parts than when you use other substandard lubricants. One of the features that stands out for me is that its application is totally safe and also leaves appliances cleaner than the rest.
It’s preferable when dealing with underwater applications. In such situations, you’ll need a seal that’s water resistant and similarly secure enough, so that it solves your problems once and for all.
- Ability to reach O-rings without disassembling
- Makes parts durable
- Water-resistant seals
- Easy to use, clean and safe
- Not suitable for all applications
Before deciding on what lubricant you’ll take home, it’s important to establish the materials that you’re targeting. Choosing a product with components that aren’t compatible with your tool will have it degraded and might not last long as it should. When you often have installations and maintenance going on across your home; from the car to the kitchen and to the bathroom; you’ll need a product that is versatile enough to meet every single need.
This means that it should also cover for a number of materials. This will help save you from incurring extra expenditure. Our best lubricants for O-rings fit this category, but the one which stands out is the Super Lube 56204 O-ring Silicone Lubricant, Clear. Therefore, as you journey through figuring out what’s best for you, you can give it a try.