NMC 0.040 aluminum OSHA sign. OSHA signs are the perfect way to alert your employees and guests when a hazard is present in your facility. Keep your facility safe with an OSHA regulated sign. It prevent an accident. These OSHA signs comply with OSHA 29 CFR 1910.145. Mounting: yes. Good chemical resistance. Header "CAUTION" and legend "DO NOT TOUCH HOT". 0.040 aluminum has baked enamel finish on both sides. This allows sign to be printed on both sides. It is weatherproof and non-corrosive, making it ideal for indoor and outdoor use. Maximum temperature: 150 degrees F. Measures 14-inches length by 10-inches height.