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www.toboc.com
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can supply boron nitride
The Specification of Boron Nitride
Item Standard
Crystal(type) Hexagonal
Assay 98 % min
Color White
Partical size D50=0.95um
Tap density 0.3g/cm3
O 1.0% max
B2O3 0.4 % max
C 0.3 % max
Na2O 0.08% max
TiO2 0.0018% max
Fe2O3 0.06 ...
Price: 28.00 USD
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