Techcon's 700 Series Premier dispensing syringe barrels are silicone and chloride - free and designed to work with industry standard equipment. The syringe barrels are made from low friction polypropylene to ensure accuracy, repeatability and productivity. Features a double Helix Luer lock for secure dispense tip attachment. Natural in colour for most generic applications, dark amber syringes provides protection of UV/visible light block (up to 520nm), but with the ability to see the material inside the syringe barrel. Black syringes provides protection for total UV/visible light block when using UV sensitive materials. Maximum operating pressure 100 psi is (6.9bar).