Industrial Marker, Actuation Type Valve, Compatible Surfaces Concrete, Glass, Metal, Plastic, Rubber, Dry Time 25 to 35 min, GE Nuclear and Aircraft Engine Specification Compliance Not Applicable, Housing Material Stainless Steel, Includes Pressure Bulb, Marking Tip Shape Ball, Maximum Application Temperature 450 Degrees F, Maximum Performance Temperature 450 Degrees F, MIL Spec STD-2041D Compliance Yes, Minimum Application Temperature 0 Degrees F, Minimum Performance Temperature 0 Degrees F WARNING: Cancer - www.P65Warnings.ca.gov - Titanium dioxide (airborne, unbound particles of respirable size)