Metlok Private Limited manufactures Activator for Bonding Plastic or Rubber. Metlok Private Limited is an ISO 9001: 2000 certified company. Activator for Bonding Plastic or Rubber or Primer® 2010 is a single component formulated on plastics and elastomers. It makes low energy surfaces suitable for bonding with all cyanoacrylate adhesives with adhesion promoter property.