Back   General Construction List #  5.70.35 Signing Inks, Transparent Date:  Apr 01, 2019 CUSTODIAL OFFICE :  Traffic Operations & Engineering - (905) 704-2960 Company Product Name Catalogue No Product Grade / Type Colour Product Categoric Use Identifier Categoric Use Description 3M Canada - Transportation Safety Division 300 Tartan Drive London ON  N5V 4M9 ca Tel: 519-451-2500 Toll Free: 800-265-1840 Web: https://www.3M.ca/roadsafety 3M Series 880, 990 Series 990-Engineering Grade, Series 880-Diamond Grade and High Intensity Highly Transparent (except black) Colour Ink Series 990 3M Process Colour Ink for Engineer Grade Sheeting, Series 880 3M Process Colour Ink for High Intensity and Diamond Grade