Post this aluminum sign on your property to strongly warn people of the Sodium Hydroxide on the premises. Danger Sodium Hydroxide Sign Details Made with the strongest industrial grade materials in the industry, our signs are digitally printed with professional grade vinyl graphics using UV resistant inks that withstand the harshest elements and environments. Signs have pre-drilled mounting holes and rounded corners. They are made to perform flawlessly for years in the roughest of outdoor weather conditions without deteriorating or fading and will also handle the most demanding indoor industrial environments around.
