When doing a ductless AC system do you put this on the inside and outside of the flair or only on the threads?

This stuff is great. You don't put it on the thread, it goes on the flair. It's not like lock tite it's a flair tight. I'm a diu girl and this is great stuff. I used it a year ago and I still have great ac. Before using it I could not hold a vacuum on my system.

Will this work with propane gas lines

Having not used it, can't say 100%. But since R290 is purified propane, and this says it's for all refrigerants, I don't see why not. Though there may be additives in propane meant for heating that could possibly interact with it. Certainly propane for heating is not as pure as the refrigeration stuff. As someone else mentioned, asking the manufacturer is probably a good idea before trying.

can this be used to seal service valve caps?

I don't believe I would use it for that purpose. If it gets into the valve it would probably keep the valve from working properly. I generally use brass caps with o-rings to seal service valve ports.

Would NYLOG blue seal a slow rim leak in a tubeless tire?

I would think so.....but an expensive way to seal a tire....cleaning the rim bead with a wire wheel should do it.

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Refrigeration Technologies RT201B Nylog Gasket/Thread Sealant, 30 ml (1 Pack)

Product ID: 3907127

Details

Brand
Refrigeration
Color
Blue
Shape
Round
UPC
330051886132
Manufacturer
Refrigeration

✅OEM manufacturer approved

🧴Lubricates O-rings & gaskets

🛠️Seals flares & threaded connections

9.10 OMR

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Description

🔧 Seal it like a pro—no leaks, no limits!

SMOOTH ASSEMBLY - Lubricates O-rings and gaskets for effortless installation
TRUSTED BY EXPERTS - OEM-approved for guaranteed professional-grade performance
PROVEN SATISFACTION - Rated 4.7/5 by over 10,000 pros who demand the best
SYSTEM SAFE FORMULA - Won't contaminate refrigeration systems—protect your investment
FLAWLESS SEAL EVERY TIME - Ensures leak-proof connections for ultimate system reliability

Refrigeration Technologies RT201B Nylog Gasket/Thread Sealant is a 30 ml professional-grade product designed to seal flares and threaded connections while lubricating O-rings and gaskets. OEM-approved and system-safe, it prevents contamination and ensures reliable, leak-proof refrigeration system performance.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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9.10 OMR

Duties & taxes included

In stock

Sold byAmazon OMANDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to OMAN.

Secure transaction

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Join PRO →

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TrustScore 4.5 | 7,300+ reviews

Imran F.

Very reliable shop with genuine products. Will definitely buy again!

2 weeks ago

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Refrigeration Technologies RT201B Nylog Gasket/Thread Sealant, 30 ml (1 Pack)

Details

Details

Description

Specifications

Common Questions