Keep O-Rings & Hose Washers Sealed and Leak-Free
This 4 oz. bottle of Super Lube® Silicone Oil (100 cSt) is a pure polydimethylsiloxane silicone fluid made for lubricating o-rings, hose washers, and rubber or plastic seals throughout your drip irrigation system. A light coating helps seals glide into place without pinching or tearing, creates a tighter watertight seal at threaded connections, and slows the drying and cracking that eventually causes leaks at filters, backflow preventers, and hose-thread fittings. It’s NSF H1 registered for incidental food contact and stable from -58°F to 392°F, so it won’t break down in the heat of a garden shed or the cold of a winter freeze. Apply it any time you assemble a head, swap a washer, or pack your system away for winterizing.
- Extends Seal Life: Slows drying, cracking, and hardening of rubber o-rings and hose washers caused by heat, sun, and repeated use.
- Better Watertight Seals: Helps o-rings and washers seat fully for a tighter, leak-resistant connection at threaded fittings.
- Wide Temperature Range: Stays effective from -58°F to 392°F (-50°C to 200°C), so it performs in summer heat and survives winter storage.
- Food-Safe Formula: NSF H1 registered for incidental food contact, clean, and safe to use around edible crops.
- Compact & Easy to Apply: A few drops on a cloth or directly on the seal is all it takes—one bottle covers an entire season of maintenance.
Manufacturer-verified specifications from Super Lube®.
| Specification | Details |
|---|---|
| Product Type | Pure Silicone Oil (Polydimethylsiloxane) |
| Viscosity | 100 cSt |
| Container Size | 4 oz. Bottle |
| Operating Temperature Range | -58°F to 392°F (-50°C to 200°C) |
| Color | Clear |
| Food Grade Rating | NSF Registered Food Grade, H1 (Incidental Food Contact) |
| Recommended Uses | O-rings, hose washers, rubber & plastic seals, threaded fittings |
| Brand | Super Lube® (Kano Laboratories LLC) |
| SKU / MPN | OLUBE / 56104 |
Where should I apply this silicone lubricant on my drip system?
Apply a thin coat to o-rings and rubber hose washers found in filters, backflow preventers, and hose-thread connections before assembling or reassembling them.
A light film is all that’s needed—over-applying won’t improve the seal and just attracts more dust and debris.
Is this lubricant safe to use around food crops?
Yes. This silicone oil is NSF registered as a Food Grade lubricant, rated H1 for incidental food contact.
That makes it a safe choice for maintaining drip components used in vegetable gardens and edible landscapes.
How often should I lubricate my system’s o-rings and washers?
A light application at the start of the season and again before winterizing is typically enough for most home drip systems.
If you notice a fitting drying out, sticking, or beginning to leak, it’s a good sign that seal needs a fresh coat sooner.
Will this lubricant work in cold winter storage?
Yes. It remains stable from -58°F to 392°F, so it stays effective on stored components through winter and won’t break down once you reinstall your system in spring.
Applying a coat to seals before winter storage can help prevent them from drying out and cracking in the cold.
