Force 80g Brake Pipe & Air Line Sealant Liquid PTFE Sealer Instant Seal for sale online | eBay
Loctite 542 is a liquid thread sealant which idea for threaded pnuematic connections, it is a medium strength sealant & supplied in 10ml applicator bottle.
Should we use Teflon tape on brass fittings? - Quora
LOCTITE 542 - Thread Sealant - Henkel Adhesives
How to apply liquid thread sealant to prevent leakage in pipe connections - Tameson - YouTube