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Soft Borax Acid Powder For Optical Glass Making Industry 99.5% High Purity

Soft Borax Acid Powder For Optical Glass Making Industry 99.5% High Purity

boric acid crystals

pure boric acid

Place of Origin:

CHINA

Brand Name:

YIXIN

Certification:

MSDS

Model Number:

YX-99BA-G

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Product Details
COLOR:
WHITE POWDER
PURITY:
99.5%
BOILING POINT:
300℃
MELTING POINT:
169℃
DENSITY:
1.43 G/m3
Dissolution:
Soluble
CAS:
10043-35-3
EINECS:
234-343-4
Product Description

DESCRIPTION:

 

Soft Borax Acid Powder For Optical Glass Making Industry 99.5% High

 

Purity Is white solid powder with creamy feel that dissolve easily in

 

water. It has the CAS NO.: 10043-35-3 & EINECES NO.: 234-343-4 

 

It prepared by reacting borax (sodium tetraborate decahydrate) with

 

hydrochloric acid

 

Na2B4O7·10H2O + 2 HCl → 4 B(OH)3 [or H3BO3] + 2 NaCl + 5 H2O

 

The purity is as follows:

 

PURITY Item PERCENTAGE
Boric Acid ≥99.5%
SO4 ≤0.3%
Cl ≤0.15%
Fe ≤0.06%
Water insoluble ≤0.3%

 

 

APPLICATION

 

With high-content of boron, this product is a great material of optical glass,

 

apparatus glass,  hard borosilicate glass, electrovacuum glass and other special

 

glass. Our product reduce glass coefficient of expansion, improve heat and chemical

 

stability, increase irefractive index, better its lustre.

 

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