Best composition/grit tungsten grinding wheel

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I have an old 6" grinder that I want to dedicate for tungsten grinding. What is the best grinding wheel composition and grit for sharpening, is finer better? I understand that most commercially available wheels have an aluminum oxide component that would contaminate my freshly ground tungsten thereby the resulting weld, is this true? Thanks in advance for any light that you can bring to the subject. When a welder tells you to "stick it", what do they really mean?"In a time of universal deceit, telling the truth is a revolutionary act." - George Orwell
Reply:Hey bearston,Just go to your local hardware/Lowes/HD/Ace & get a 6" "Green Wheel".....it is specifically made to grind tungsten. I have one for my tung.-tipped lathe tools & one for my TIG tungstens. They work quite well.DennyComplete Welding/Machine/Fab. ShopMobile UnitFinally retired*Moderator*"A man's word is his honor...without honor there is nothing.""Words are like bullets.... Once they leave your muzzle, you cannot get them back."
Reply:Thanks for the info Yorkiepap. Still curious about the composition of the regular grinding wheels, do they have an Alu component that will contaminate? I won't use the regular wheel, just curious for the sake of knowledge, cheers!  When a welder tells you to "stick it", what do they really mean?"In a time of universal deceit, telling the truth is a revolutionary act." - George Orwell
Reply:Hey bearston,Grinding wheels are mfd. as to use & material application. Some have alum. oxide & others don't. You can really get some in-depth answers by typing "Grinding Wheel Composition" in the Google search window. I use Google a lot for anything I need to query if I have a specific solution I need to understand.DennyComplete Welding/Machine/Fab. ShopMobile UnitFinally retired*Moderator*"A man's word is his honor...without honor there is nothing.""Words are like bullets.... Once they leave your muzzle, you cannot get them back."
Reply:Originally Posted by bearstonI have an old 6" grinder that I want to dedicate for tungsten grinding. What is the best grinding wheel composition and grit for sharpening, is finer better? I understand that most commercially available wheels have an aluminum oxide component that would contaminate my freshly ground tungsten thereby the resulting weld, is this true? Thanks in advance for any light that you can bring to the subject.
Reply:Ahh yes, the extended memory holds all those answers, sometimes tough to remember that  Diamond is a good idea, too. Time to look into that, for wifey, too!  Thanks for the info, guys.When a welder tells you to "stick it", what do they really mean?"In a time of universal deceit, telling the truth is a revolutionary act." - George Orwell