Use the black seal (115524) contained in this kit with all water based paints and less aggressive solvent based paints.
For Lacquer Thinner, Tricloroethylene, MEK, Acetone, brush Cleaner, Zylol or if the solvent is unknown purchase separately the Yellow Solvent Seal (224082 - Supplied in a Pack of 20) and Tip Seat (195558 - supplied individually).