SuperglueArt.No.: WK-20WK 20 is fast-hardening, high strength, durable, and suitable for EPDM elastomers, rubber, foam rubber, and plastics which are difficult to glue. Perfect for manufacturing O-rings. Low viscosity and super fast.The article is available in the following package sizes: Tube, 20 g Tube, 50 g Tube, 500 g