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Professional Pure Borax Powder 1.73 G / Cm3 Density 95% - 99% Purity

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Professional Pure Borax Powder 1.73 G / Cm3 Density 95% - 99% Purity

Professional Pure Borax Powder 1.73 G / Cm3 Density 95% - 99% Purity
Professional Pure Borax Powder 1.73 G / Cm3 Density 95% - 99% Purity Professional Pure Borax Powder 1.73 G / Cm3 Density 95% - 99% Purity

Large Image :  Professional Pure Borax Powder 1.73 G / Cm3 Density 95% - 99% Purity

Product Details:
Place of Origin: China
Brand Name: YX
Model Number: YX-B01
Payment & Shipping Terms:
Minimum Order Quantity: one 20 feet container
Price: USD 600-800 PER TON
Packaging Details: 25kg,50kg, 1000kg per bag or customized
Delivery Time: 5-8days
Payment Terms: L/C, T/T, Western Union, D/A, D/P
Supply Ability: 1000 tons per month

Professional Pure Borax Powder 1.73 G / Cm3 Density 95% - 99% Purity

Description
Name: White Granular Borax Decahydrate For Glass Manufacturing Purity: 95%-99%
Appearance: White Granular MF: Na2B4O7·10H2O
Other Name: Sodium Tetraborate Molar Mass: 381.38
Density: 1.73 G/cm3 Melting Point: 743 °C
Boiling Point: 1,575 °C CAS Number: 1303-96-4
Origin: China/Turkey/America/
High Light:

sodium borate powder

,

sodium tetraborate pentahydrate

Name: white granular borax decahydrate for glass manufacturing

 

Appearance: White Powder or Granular

 

Grade: Agriculture Grade, Industrial Grade

 

Specification:

 

Item specification for Domestic 95% specification for Turkey 99%
Sodium borate ≥95% ≥99.9%
B2O3 ≥36.47% ≥37-38%
Na2O ≥16.47% ≥16-17%
Na2CO3 ≤0.2% ≤0.1%
Chloride(NaCl) ≤0.5% ≤0.03%
Iron(Fe) ≤0.005% ≤0.002%
Water insoluble ≤0.04% ≤0.04%
Bulk density ≥1 ≥1

 

Usage:

 

Household products

 

Borax is used in various household laundry and cleaning products, including the "20 Mule Team Borax" laundry booster, "Boraxo" powdered hand soap, and some tooth bleaching formulas.

pH buffer

Borate ions (commonly supplied as boric acid) are used in biochemical and chemical laboratories to make buffers, e.g. for gel electrophoresis of DNA and RNA, such as TBE buffer (borate buffered tris-hydroxymethylaminomethonium) or the newer SB buffer or BBS buffer (borate buffered saline) in coating procedures. Borate buffers (usually at pH 8) are also used as preferential equilibration solution in dimethyl pimelimidate (DMP) based crosslinking reactions.

Co-complexing agent

Borax as a source of borate has been used to take advantage of the co-complexing ability of borate with other agents in water to form complex ions with various substances. Borate and a suitable polymerbed are used to chromatograph non-glycosylated hemoglobin differentially from glycosylated hemoglobin (chiefly HbA1c), which is an indicator of long term hyperglycemia in diabetes mellitus.

Water-softening agent

Borax alone does not have a high affinity for the hardness cations, although it has been used for water-softening. Its chemical equation for water-softening is given below:

Ca2+ (aq) + Na2B4O7 (aq)CaB4O7 (s)↓ + 2 Na+ (aq)

Mg2+ (aq) + Na2B4O7 (aq)MgB4O7 (s)↓ + 2 Na+ (aq)

The sodium ions introduced do not make water ‘hard’. This method is suitable for removing both temporary and permanent types of hardness.

Flux

A mixture of borax and ammonium chloride is used as a flux when welding iron and steel. It lowers the melting point of the unwanted iron oxide (scale), allowing it to run off. Borax is also used mixed with water as a flux when soldering jewelry metals such as gold or silver. It allows the molten solder to flow evenly over the joint in question. Borax is also a good flux for "pre-tinning" tungsten with zinc – making the tungsten soft-solderable. Borax is often used as a flux for forge welding.

Small-scale gold mining

Old steam tractor and borax wagons, Death Valley National Park

Borax is replacing mercury as the preferred method for extracting gold in small-scale mining facilities. The method is called the borax method and is used in the Philippines.

Flubber

Main article: Flubber (material)

A rubbery polymer sometimes called Slime, Flubber, 'gluep' or 'glurch' (or erroneously called Silly Putty, which is based on silicone polymers), can be made by cross-linking polyvinyl alcohol with borax. Making flubber from polyvinyl acetate-based glues, such as Elmer's Glue, and borax is a common elementary-science demonstration.

Food additive

Borax, given the E number E285, is used as a food additive in some countries, but is banned in some countries, like the U.S., and Thailand. As a consequence, certain foods, such as caviar, produced for sale in the US contain higher levels of salt to assist preservation. Its use as a cooking ingredient is to add a firm rubbery texture to the food, or as a preservative. In oriental cooking it is mostly used for its texturing properties. In Asia, borax was found to have been added to some Chinese foods like hand-pulled noodles lamian and some rice noodles like shahe fen, kway teow, and chee cheong fun recipes. In Indonesia it is a common, but forbidden, additive to such foods as noodles, bakso (meatballs), and steamed rice. The country's Directorate of Consumer Protection warns of the risk of liver cancer with high consumption over a period of 5–10 years.

 

Other uses

 

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