This system requires all doors and windows to be closed to contain the gas. To further aid containment, all outgoing exhausts are stopped on the press when the system goes off. Halon leaves no residue to contaminate ink or damage equipment. Flammable Materials Many inks and solvents are flammable materials and must be handled with care to avoid ignition and fire. The flash point of a material is the lowest temperature at which the substance can be ignited under standard test conditions.
Friction can occur in an ink station while the press is running.
Extinguish this type of fire with the press running slowly to keep heat from building up and overheating the next higher print station. Static is especially noticeable during the winter months when the humidity indoors is low. It is important for the press to be grounded to eliminate a buildup of static electricity between the web and press rollers. Solvent liquid and vapor can be ignited by spark or flame. Hand tools should be properly grounded and operated in an area where there are no signs of flammable or gaseous materials.