SKU: 48793410305

CHRISTO-LUBE MCG 111 Oxygen Compatible Grease

Sale price$23.40 Regular price$26.00
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Ships within 48 hours · Estimated delivery Jul 19 - Jul 24

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Description

CHRISTO-LUBE MCG 111 Oxygen Compatible GreaseKey Features: Fully fluorinated grease thickened with PTFE. Outstanding stability with Oxygen. Water resistant. Chemically inert. Operates under extreme temperatures 60C to 230C Registered with NSF as H 1 lubricant (Reg. 135016) For valves and o rings on SCUBA, O2 tanks, medical devices, LOX & GOX systems. Description: CHRISTO LUBE MCG 111 is a fully fluorinated grease thickened with PTFE which operates under extreme temperature conditions, has

Key Features:

  • Fully fluorinated grease thickened with PTFE.
  • Outstanding stability with Oxygen. Water-resistant. Chemically inert.
  • Operates under extreme temperatures -60ºC to 230ºC
  • Registered with NSF as H-1 lubricant (Reg. 135016)
  • For valves and o-rings on SCUBA, O2 tanks, medical devices, LOX & GOX systems.

Description:
CHRISTO-LUBE® MCG 111 is a fully fluorinated grease thickened with PTFE which operates under extreme temperature conditions, has outstanding stability with oxygen and excellent compatibility with metals, plastics and elastomers. This medium consistency fluorinated lubricant is useful in lubricating valve and regulator components where non-reactivity with harsh chemicals, fuels and solvents is an important factor. CHRISTO-LUBE® MCG 111 is qualified to MIL-PRF-27617G Types I, II & III and is also registered with NSF as an H-1 lubricant meaning it is acceptable for use in or around food processing equipment.

Packaging:
Check each variant for packaging information. CHRISTO-LUBE® MCG 111 is manufactured by ECL.

Typical Properties:

Type PFPE
NLGI Grade 1.5
Color White
Temperature Service Range -76 to 446 ºF (-60 to 230 ºC)


(BAM)
Oxygen Impact Pressure
bar psi
Ambient Temperature 689 10,000
100ºC (212ºF) 110 1595
100ºC to 150ºC (212ºF to 302ºF) 80 1160
150ºC to 200ºC (302ºF to 392ºF) 70 1015

Typical Applications:
CHRISTO-LUBE® MCG-111 can be used as a Fluorinated Lubricant for Valves and O-Rings on:

  • SCUBA: Self-Contained Underwater Breathing Apparatus: for both open and closed circuit recreational, commercial and military diving systems.
  • SCBA: Self-Contained Breathing Apparatus for Firefighters: oxygen-enriched breathing tanks used by firefighters, rescue personnel and mine workers.
  • Medical Oxygen Devices: oxygen concentrators and flow meters, portable O2 tanks and hyperbaric oxygen therapy.
  • Industrial Flow Meters for Chemicals and Gases: For valves, seals and O-Rings used in systems that carry harsh, flammable, corrosive and toxic liquids as well as LOX, GOX and other process gases. Excellent lubricity. Tight sealing. No flash point.

It can also be used as Aircraft and Instrument Grease as it is chemically inert and resistant to hydrocarbon fuel and liquid oxygen and it is qualified to Qualified to MIL-PRF-27617G, Types I, II, III.


Prop 65 Warning for California Residents:
⚠ WARNING: Cancer and Reproductive Harm. For more information, go to www.P65Warnings.ca.gov

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 48793410305

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4.5 ★★★★★
Based on 17 reviews
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Mudd
Omaha, US
★★★★★ 5
Title: Reliable, Easy-to-Use, and Worth Every Penny
Style: 32 oz
I’ve been using Slime tire sealant for my fat tire e-bike, and I can say with confidence that this product delivers exactly what it promises. The application is simple, the results are consistent, and the peace of mind it provides is invaluable. For anyone who rides regularly — whether for commuting, recreation, or deliveries — this is a product that pays for itself many times over. The first thing I appreciate about Slime is how easy it is to install. The bottle is well-designed, the instructions are clear, and the process takes just a few minutes. You simply deflate the tire, remove the valve core, squeeze in the recommended amount, reinstall the valve core, inflate, and spin the wheel to distribute the sealant evenly. No special tools, no mess, and no guesswork — just a straightforward, user-friendly process. Performance-wise, Slime does exactly what it’s supposed to do: seal punctures quickly and effectively. I’ve had nails, thorns, and sharp debris puncture my tires while riding, and in every case where the leak was within the tread area, Slime sealed it instantly. There’s something incredibly reassuring about hearing that faint hiss of air for a second, then watching it stop as the sealant does its job. It’s a real-time reminder that this product is actively protecting you from being stranded. What sets Slime apart from other sealants I’ve tried is its durability. Once applied, it stays active inside the tube for months, ready to respond to new punctures as they happen. It doesn’t dry out quickly, it doesn’t clump up, and it doesn’t cause balance issues with the tires. For someone who rides almost daily, that reliability is a huge plus. Another thing I respect about this product is that it’s non-toxic and environmentally friendly. If a bit of sealant escapes during a repair, I don’t have to worry about it harming the environment. It’s also water-soluble, making cleanup easy if I ever need to replace a tube or tire. That attention to safety and sustainability shows that the company isn’t just making a great product — they’re doing it responsibly. The value for the price is excellent. One bottle goes a long way, and when you factor in the cost of replacing tubes, paying for roadside repairs, or even the inconvenience of being late because of a flat, Slime is an investment in both savings and peace of mind. For delivery riders like me, it’s especially valuable — every flat avoided means another day of work uninterrupted. In short, Slime is one of those rare products that I can recommend without hesitation. It’s easy to use, effective, long-lasting, and backed by a company that clearly understands the needs of cyclists and e-bike riders. It has already saved me from countless headaches, and I plan to keep a bottle on hand at all times. If you ride regularly and haven’t tried it yet, you’re taking an unnecessary risk — this is one of the best preventative tools you can add to your maintenance kit. Verdict: Five stars for performance, ease of use, and overall value. Slime is a must-have for any serious rider who values reliability and wants to keep rolling no matter what’s on the road.
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Reviewed in the United States on August 11, 2025
D
Verified Purchase
Dina Stewart
Dallas, US
★★★★★ 4
Slime is good, pump is a disaster
Style: 1 gal, Style: 1 gal
The only reason I am giving this a 4 star(not zero) rating is the slime itself. The actual pump on the 1 gallon canister is awful. It makes so much mess, so I do not know whether I pumped the slime into the tubes or it all just spilled out of the base of the pump. The bottles worked great, but this time I needed to use more slime for a bunch of tires. What a slimy mess that was. Very poor pump design. Only after I spilled who knows how much of the slime, I finally washed it and was able to see the problem. The cap at the base of the pump got unscrewed and let all the slime lose. I screwed it back up and this should fix the mess next time I use it. Just a heads if someone encounters the same issue.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2026
S
Verified Purchase
Scott A. Cain
Whiting, US
★★★★★ 5
Great product
Style: 16 oz
Worked as advertised. I would order again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
S
Verified Purchase
steven whitis
Fort Morgan, US
★★★★★ 5
Fixes flats and old tires like a charm
Style: 1 gal
This stuff is awesome. If you have tractor tires, ATV tires, bike, tires, hell, any tires that hold air. This stuff is awesome. Awesome. Awesome. It does not work for highway vehicles, i.e. Cars and truck trucks. But anything else it’s great. Dollies, air compressors, wheelbarrows, the stuff is awesome dude.
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Reviewed in the United States on April 5, 2026
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Verified Purchase
Tim & Tammy
Los Angeles, US
★★★★★ 5
slime is and has always been amazing for bike tires and other small pneumatic tires
Style: 1 gal
this is a great value, I have been using slime in my tubes of my bikes and a small inflatable pneumatic tires for probably 30 years, and I can say slime has only improved, and it works fantastic, this is a very good way to save money, and it works great on goat heads and several other ways your tires can get punctured, I still always recommend carrying a small air compressor or pump, but for the price point you just cannot beat slime, every bike shop should always carry this.
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Reviewed in the United States on April 18, 2026

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