1.description of Borax
|
Item
|
Standard
|
|
Na2B4O7 10H2O %
|
≥ 99.5
|
|
Na2CO3 %
|
≤ 0.10
|
|
Water Insoluble Matter %
|
≤ 0.04
|
|
Na2SO4 %
|
≤ 0.20
|
|
NaCl %
|
≤ 0.03
|
|
Na2O %
|
≥ 16
|
|
B2O3 %
|
≥ 35
|
|
Fe %
|
≤ 0.002
|
|
Particle Size
|
0.18-0.25 mm
|
Mainly used in glass and enamel industries. In the glass, can enhance UV transmission rate and improve the transparency and