Check the listing for details. Refrigeration Technologies RT201B Nylog Blue Gasket Thread Sealant 30 ml (1 Pack. Condition: New. Listed at 7.99 USD. WE EXPORTNYLOG BLUERefrigeration Technologies RT201B Nylog Gasket/Thread Sealant, 30 ml (1 Pack)GASKET & THREAD SEALANTNylog Blue is an elastic fluid made from synthetic refrigeration grade compressor oil. Nylog Blue is fully miscible and compatible with all system refrigerants and oils. Gaskets coated with Nylog will never dry or become heat fixed to the surface. Threaded connections coated with Nylog will block high pressure leaks by forming a hydraulic seal. Nylog can be used an assembly lube when installing shaft seals, o-rings, schraeder valves, ball valves, or other internal system components.Will not Contaminate SystemsSeals Flares and Threaded ConnectionsLubricates O-Rings and GasketsApproved by OEM ManufacturersDescription–Nylog Blue is a viscoelastic fluid made from synthetic refrigeration grade compressor oil. Nylog Blue is fully miscible and compatible with all system refrigerants and oils. Gaskets coated with Nylog will never dry or become heat fixed to the surface. Threaded connections coated with Nylog will block high pressure leaks by forming a hydraulic seal. The compound always remains temperature and vibration resilient. Nylog can be used as a high tack assembly lube when installing shaft seals, O-rings, Schrader valves, ball valves, unloaders or other internal system components..Features:All Systems - Compatible with all system oils and refrigerantsSealant - Never hardens or dried and remains temperature and vibration resistantLubricant - Use as an assembly lube on gaskets, o-rings and internal system componentsOEM - Used by OEM's Worldwide