Syntex Synthetic PAG Grease, commonly known as Syntex 624 Grease, is a non-melting, synthetic grease made from a polyalkylene glycol (PAG) base fluid. Syntex Synthetic PAG Grease has a broad, useful temperature range, excellent thermal and mechanical stability, and outstanding lubricity. It has excellent anti-rust and anti-corrosion properties and is compatible with most seals. The PAG base fluid utilized in Syntex Synthetic PAG Grease eliminates the possibility of varnish or sludge that may be caused by a conventional a grease, while still providing exceptional protection. Useful temperature range -40°C to 204°C (-40°F to 400°F).