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      2. The solar industry

        Polysilicon ingot stripping silicon nitride coating solution

        The buyer: Tianjin * * New Energy Co. Ltd. etc.

        Recommended products:

        A1 Grade(4N)High purity silicon nitride powder.

        JSH A1 Grade(4N)Main indicators of silicon nitride powder
        ProjectUnitRangeTesting standards or methods
        N%> 39.6GB/T 16555-2008 / IGA
        O%< 0.8ASTMC1494-2001 / IGA
        C%< 0.2Leco method / IGA
        Feppm wt< 20ICP Method / GDMS
        Alppm wt< 10ICP Method / GDMS
        Cappm wt< 10ICP Method / GDMS
        Pppm wt< 3ICP Method / GDMS
        Sppm wt< 3ICP Method / GDMS
        Bppm wt< 3ICP Method / GDMS
        Si-free%< 0.05GB/T 16555-2008
        Si3N4(aphar)%> 90XRD YB/T 5320-2006
        D50um1.5±0.2GB/T 19077.1-2008

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