1. Product name: borax pentahydrate
2. Appearance : white crystalline powder/colorless translucent crystals
3. Specifications:
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product name
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Na2B4O7.10H2O
|
Na2B4O7.5H2O
|
|
Test item
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Test data
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|
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purity
|
99.6%min
|
99.6%min
|
|
B
|
10.5%min
|
17.4%min
|
|
Na2SO4
|
0.002%max
|
0.002%max
|
|
water insoluble
|
0.04%max
|
0.04%max
|
|
Fe
|
0.005%max
|
0.001max
|
|
NaCL
|
0.05%max
|
0.03%max
|
|
Na2CO3
|
0.10%max
|
0.10%max
|