3M™ Fastbond™ Spray Activator 1 is used to enhance the bonding capabilities and handling strength without forced drying equipment for most applications. It is designed to specifically work with water based 3M™ Fastbond™ 2000NF Adhesive, 3M™ Fastbond™ Contact Adhesive 30NF and 3M™ Fastbond™ Foam Adhesive 100NF.