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الشخص الذي يمكن الاتصال به Mr. SY
55-3-402 Dandong St., Dalian, Liaoning
Item/Grade Zinc borate ***5( 2ZnO.B2O3 3.5H2O) Whiteness *9 Surface water　%　≤ 0.5 Particle size, um **5 ZnO, % *7.***0.0 B2O3 , % *5.0ï&frac*4;*8.0 Loss on ignitionï&frac*4;Œ% *3.5ï&frac*4;*5.5 Fineness (Residue on *5um sieve )ï&frac*4;Œ % ≤ 0.1 Specific gravity, g/cm3 2.*7 Melting point　℃ **0 Temp. of dehydration　℃ >**0 Refractive index 1.*8
