Borax Anhydrous / Pentahydrate / Decahydrate
Product Description
Borax Pentahydrate
Other Names: BORAX PENTAHYDRATE
CAS No. 12179-04-3
Appearance: White free-flowing granules.
Formula: Na2B4O7.5H2O
Items: Borax anhydrous/decahydrate/pentahydrate
Specifications
Borax anhydrous/decahydrate/pentahydrate
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1. Brief description:
Product: Borax anhydrous/decahydrate/pentahydrate
Molecular formula: Na2B4O2.10H2O
CAS No.: 1303-96-4
EINECS No.: 215-540-4
Appearance: Colorless translucent crystal or white crystalline powder.
2. Usage:
Mainly used for glass and porcelain enamel industry.
1) In glass industry, it can enhance transparency and heat-resistant property.
2) In porcelain enamel products, it can make enamel not easy to fall off and with luster.
3) it also widely used in pesticide, fertilizer, optics glass, glass fiber, colored metal as jointing agent, cohering agent for jewelry, printing and dyeing, detergent, refined gold, cosmetics, borax soap, antiseptic, antifreeze,
4) its also one of basic raw material for making other boric compound
3. Package: 25kg/50kg woven bag with PE liner
4. Delivery: Within 21 days after receiving the advance payment
| |
O 7 .5H 2 0 |
| Content of Fe % ≤ |
10 |
| Content of Na 2 B 4 O 7 .10H 2 O % ≥ |
101.7-103.1 |
| Content of CO 3 % ≤ |
21.6-21.9 |
| Content of Non-dissolved substance % ≤ |
400 |
| Content of SO 4 2- % ≤ |
100 |
| Content of Cl - % ≤ |
120 |
Borax anhydrous/decahydrate/pentahydrate
Item |
Test result |
Na 2 B 4 O 7 ( % ) |
≥ 99 . 5 |
Na 2 O ( % ) |
≥ 22 |
B 2 O 3 ( % ) |
≥ 48 |
Na 2 CO 3 ( % ) |
≤0.04 |
SO 4 ( % ) |
≤0.05 |
CL ( % ) |
≤0.02 |
water-insoluble (% ) |
≤0.04 |
Fe 2 O 3 ( % ) |
≤0.003 |
|
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