NMC OSHA sign is the perfect way to alert your employees and guests when a hazard is present in your facility. Keep your facility safe, buy an OSHA regulated sign today and prevent an accident tomorrow. These OSHA signs comply with OSHA 29 CFR 1910.145. 0.040 aluminum has baked enamel finish on both sides. This allows your sign to be printed on both sides. It is weather proof and non-corrosive, making it ideal for indoor and outdoor use. sign is supplied with radius corners and pre-drilled corner mounting holes. Measures 14-inches length by 10-inches height. Mounting: yes. Good chemical resistance. Maximum temperature: 150 degrees F. Header "DANGER" and legend "PROPANE".