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          Electronic and high precise machine manufacturing industry

          The key part of machine parts coating and solution

          The buyer: Germany * * * ceramic limited liability company

          Recommended products:

          B2 Grade (2N) High alpha phase silicon nitride.

          JSH B2 Grade(2N)The contents of major elements in silicon nitride powder
          N%> 38.5
          O%< 1.5
          C%< 0.2
          Fe%< 0.3
          Al%< 0.2
          Ca%< 0.2
          Pppm wt< 200
          Sppm wt< 200
          Clppm wt< 200
          Si-free%< 0.2
          Si3N4(aphar)%> 95
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