Loctite SF770 Polyolefin Primer for Surface Preparation 10g - Pack of 10Primer adhesive that works to increase adhesion strength of LOCTITE instant adhesives, available separately Facilitates bonding of plastics such as polyethylene, PTFE, polypropylene and thermoplastic rubbers Approved by the Water Regulations Advisory Scheme (WRAS) to promote and comply with water fitting regulations in the UK Can be applied to surfaces via spray, brush or dipping