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Product standard
Item/Grade Zinc borate 2335( 2ZnO. B2O3 3.5H2O)
Excellent grade First grade
Whiteness 99 95
Surface water% 0.5 1.0
Particle size, um 3-5 3-5
ZnO, % 37.0-40.0
B2O3, % 45.048.0
Loss on ignition% 13.515.5
Fineness (Residue on 45um sieve ) % 0.1
Specific gravity, g/cm3 2.67
Melting point 980
Temp. Of dehydration > 320
Refractive index 1.58 |
| Begin Time: |
2009-9-2 |
End Time: |
2014-9-4 |
| Address: |
821jinjiang 5086xinhua road weifang shandong china |
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| Contact: |
Jackson Han |
| Telephone: |
86-5368596048
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| E-MAIL: |
oceanchem@126.com |
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