Description: PTFE Tube For 1.75mm Filament 3D Printer RepRap Rostock Hard texture, high strength, not easy to damage, is not easy to aging Excellent resistance to high and low temperature : 190 ? ~ 280 ? Excellent corrosion resistance - Ability to withstand the effects of all strong acids (including aqua regia), strong oxidants, reducing agents and various organic solvents other than molten alkali metal, fluorinated media and above 300 ° C sodium hydroxide Strong insulation resistance from environmental and frequency, up to 1018 ohm volume resistivity, small dielectric loss, high breakdown voltage Unique self-lubricating --- with the smallest friction coefficient in plastic, is the ideal oil-free lubricants Specification: Color: White Material: PTFE Length: 1m /39.37inch/3.3ft Outside diameter :2 MM Inner diameter: 4 MM Package Includes: 1PiecexTeflon Tube(1Meter)