1)2%thoriatedtungstencontainsanominal2wt-%orthoriumoxide(tho2)thatisevenlydispersedthroughouttheentirelengthofthetungsten.Themostcommontypeoftungstenusedtoday.Providesexcellentresistancefromweldpoolcontaminationwhileatthesametimeofferstheweldereasierarcstartingcapabilitiesandamorestablearc.GenerallyusedforDCelectrodenegativeorstraightpolarityapplicationssuchascarbonandstainlesssteels,nickelalloysandtitanium. 2)colormark:WT20(red) 3)otherimpurity:_0.20% 4)diameter:1.0-12.0mm 5)length:50.00,75.00,150.00,175.00mm 6)qualityofsurface:Groundfinish,polishfinish Type: Type Additives Content W% Singcolor WT10 ThO2 0.90 1.20% therest yellow WT20 ThO2 1.80 2.20% therest red WT30 ThO2 2.80 3.20% therest purple WT40 ThO2 3.80 4.20% therest orange Tolerance: Diameter(mm) tolerance(mm) Length(mm) Φ0.30-Φ2.0 ±0.05 50 175±1 Φ0.30-Φ2.0 ±0.1 Application:IthasagoodpropertyandconductivityreachesWT20electrode,itcanbeusedalternatingcurrentandworkswell.