The overall injection molding connector housing material: Neoprene detachable connector housing material: brass ( CA #360 ) contact terminal material: gold plated brass ( CA #360 ) guiding needle materials: 303SS, 304SS detachable connector nut / washer material: brass ( CA #360 ) O ring: nitrile rubber, butyl rubber ( N-70 sodium the locking sleeve ): Delrin ( POM ) integral injection cable : 18AWG, 20AWG, chloroprene rubber sheath, 60cm long detachable connector: 20AWG, Teflon sheath, 33cm long open surface pressure: 10000PSI/690bar; matched voltage: 10000PSI/690bar working voltage: 300 VDC; working current: each core insulation resistance: 19A > 200 ohm ( 300 VDC ); contact resistance: < Ohm number with 0.01 air: > 1000, with the number of water: > 500 working temperature: -4℃ to +60 ℃