Technology allows rain to clean graphic surfaces.
3M has released two new overlaminates that help graphics stay clean. 3M Scotchcal
Self-Cleaning Gloss Overlaminate 3641SCL and 3M Scotchcal Self-Cleaning Matte Overlaminate 3643SCL both feature 3M"?s self-cleaning technology that allows rain to actively clean the surface of the graphics"?so signs can look good longer and costs of sign cleaning and maintenance are reduced, says the company. Available in 48-in. rolls, these overlaminates carry the 3M MCS Warranty, which warrants it for up to 5 years for vertical installations.