3M 31109 3M™ Blue Cream Hardener, 31109, blue, 2.75 oz. (77.9 g), Colour: Blue, 3M Stock No. 7000120133

3M (815) (815) 3M™ Blue Cream Hardener, 31109, blue, 2.75 oz. (77.9 g), Colour: Blue, 3M Stock No. 7000120133 The 3M™ Blue Cream Hardener is a hardening agent with a creamy consistency. It mixes easily and quickly and is intended for use with a variety of 3M™ Fillers, Putties and Glazes.