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        	The semiconductor and electronic materials industry        
    
                
    Target, medical, semiconductor films and electronic materials solutions
    The buyer: is the test and research
    Recommended products:
    JSH A2 Grade (5N) of high purity silicon nitride powder.
            
    JSH A2 Grade (5N) main indicators of high purity silicon nitride powder
    ProjectUnitRange檢測標(biāo)準(zhǔn)或方法
    N%＞ 39.6GB/T 16555-2008 / IGA
    O%＜ 0.5ASTMC1494-2001 / IGA
    C%＜ 0.15Leco method / IGA
    Feppm wt＜ 2ICP Method / GDMS
    Alppm wt＜ 1.5ICP Method / GDMS
    Cappm wt＜ 1ICP Method / GDMS
    Mgppm wt＜ 0.5ICP Method / GDMS
    Mnppm wt＜ 0.5ICP Method / GDMS
    Cuppm wt＜ 0.5ICP Method / GDMS
    Pppm wt＜ 0.5ICP Method / GDMS
    Sppm wt＜ 0.5ICP Method / GDMS
    Bppm wt＜ 0.5ICP Method / GDMS
    Si-free%＜ 0.05GB/T 16555-2008
    Si3N4(aphar)%≥ 90XRD YB/T 5320-2006
    D50um1.5±0.2GB/T 19077.1-2008