Lord Cyanoacrylate AdhesivesLordÂ® Cyanoacrylate Adhesives were developed for production situations requiring instant bonds and immediate handling strength, particularly when bonding rubber, metals and plastics. Lord Cyanoacrylate Adhesives offer these benefits: Instant Cure. Lord Cyanoacrylate Adhesives develop strong bonds with setting times ranging from 5 to 130 seconds. Ease of Use. Lord Cyanoacrylate Adhesives are one-component systems that facilitate set-up and minimize production costs. Good Environmental Resistance. Lord Cyanoacrylate Adhesives offer excellent resistance to weathering and aging.Lord Adhesives 8300 Medium Setting, Medium Viscosity Ethyl Cyanoacrylate AdhesiveMedium setting. Medium viscosity. For bonding O-rings and elastomeric materials. Suitable for bonding more difficult substrates such as EPDM and Viton. Especially helpful for bonding loudspeaker isolator rings. Will qualify for USP Class VI approval. MIL-A-46050C Type II, Class 1 Approved.