Techcon System'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. Available in 3 colors: Natural for most generic applications, Amber provides protection of UV/visible light block (up to 520nm), but with the ability to see material inside the syringe barrel, and Black for total light block. Maximum operating pressure 100 psi is (6.9bar).