Perfluocarbon-based activator that increases the cure speed of LOCTITE instant adhesive. Non-flammable and non-combustible.LOCTITE SF 7109 is a perfluocarbon-based activator that increases the cure speed of LOCTITE instant adhesive. Non-flammable and non-combustible. Excellent for cosmetic applications, for clear and transparent adhesive beads or fillets. On-part life of 1 min.