Baoji Refractory Metal Developer Co.,Ltd is one of the leading China thoriated tungsten wires manufacturers and suppliers, and as a professional company we have productive factory, welcome to wholesale thoriated tungsten wires products from us.THORIATED TUNGSTEN WIRESWTH7 can be used for making electron tube, the hook of emitting tube, spring, high temperature electrode and negative electrode of light air discharge.WTH10、WTH15、WTH20、WTH40 can be used for making a negative electrode and railing electrode of electrode and filament which is against vibration.☆Chemical Composition:DesignationW% minOxide%Impurity%Each ImpurityWTH798.900.70~0.99<0.10<0.01WTH1098.411.00~1.49<0.10<0.01WTH1597.911.50~1.99<0.10<0.01WTH2097.641.99~2.50<0.10<0.01WTH4095.693.90~4.2<0.10<0.01☆Specification and Tolerance: DesignationWTH7WTH10WTH15WTH20WTH40ConditionRSizeΦ0.15mm~Φ0.16mmDiameter mm200mmweight of tolerance%Diameter of tolerance%ⅠⅡⅠⅡΦ 0.2~Φ 0.35±1.5±2.0——>Φ 0.35~Φ 1.6——±1.0±2.0Established in 1994, Refractory Metal Developer is one of the largest professional manufacturers and suppliers of tungsten thoriated wire tungsten material wire for lighting source. Leveraging on advanced technology and equipment, our company has successfully exported our products to various buyers from different regions. Now, we warmly welcome you to buy our factory supply refractory metals.
