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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檢測標準或方法
      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