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Flux / Fire Retardant Sodium Tetraborate , ISO9001 Approval Tetraborate Decahydrate

Flux / Fire Retardant Sodium Tetraborate , ISO9001 Approval Tetraborate Decahydrate

    • Flux / Fire Retardant Sodium Tetraborate , ISO9001 Approval Tetraborate Decahydrate
    • Flux / Fire Retardant Sodium Tetraborate , ISO9001 Approval Tetraborate Decahydrate
  • Flux / Fire Retardant Sodium Tetraborate , ISO9001 Approval Tetraborate Decahydrate

    Product Details:

    Place of Origin: CHINA
    Brand Name: YIXIN
    Certification: ISO9001
    Model Number: YXB-001

    Payment & Shipping Terms:

    Minimum Order Quantity: Negotiable
    Price: USD500-800/TON
    Packaging Details: 50kg/pp bag 20FCL:25MT
    Delivery Time: 3-12 working days
    Payment Terms: T/T, Western Union, L/C, D/P
    Supply Ability: 3000 ton per month
    Contact Now
    Detailed Product Description
    Description: Borax Decahydrate EINECS: 215-540-4
    HS CODE: 2840190000 Brand: Yixin
    Boiling Point: 1575 °C Melting Point: 741°C

    95% Borax decahydrate powder use for flux and fire retardant with

    ISO9001 CAS NO 1303964

     ►Origin of Borax Decahydrate   

     

     

     • Sodium tetraborate was first discovered in dry lake beds in Tibet and was

     

    imported via the Silk Road to the Arabian Peninsula in the 8th Century

     

    AD. 

     

    •Borax first came intocommon use in the late 19th century whenFrancis

     

    Marion Smith's Pacific Coast Borax Company began to market and popularize a

     

    large variety of applications.Borax is a component of many detergents,

     

    cosmetics, and enamel glazes.

     

    • It is used to make buffer solutions in biochemistry, as a fire retardant, as an

     

    anti-fungal compound, in the manufacture of fiberglass, as a flux in

     

    metallurgy,neutron-capture shields for radioactive sources, a texturing agent in

     

    cooking, as a precursor for other boron compounds, and along with its inverse,

     

    boric acid, is useful as an insecticide.In artisanal gold mining, the borax method

     

    is sometimes used as a substitutefor toxic mercury in the gold extraction

     

    process.

     

    •Borax was reportedly used by gold miners in parts of the Philippines in the

     

    1900s.

     

     ►Product description

           

     

          1. Borax Decahydrate is the refined form of natural sodium borate. Composed of

     

    boric oxide (B2O3), sodium oxide, and water, it is a mild, alkaline salt, white and

     

    crystalline, with excellent buffering and fluxing properties.

     

    2. Available in powder or granular form.Borax Decahydrate is an important

     

    multifunctional source of B2O3, particularly for processes in which the

     

    simultaneous presence of sodium is beneficial.Borax decahydrate , also known

     

    as sodium borate, is an important boron compound, a mineral, and a salt of boric

     

    acid.Powdered borax is white, consisting of soft colorless crystals that dissolve

     

    easily in water.

              

     

     

       

    Poruct name

    borax decahydrate

    Molecular formula   Na2B4O7.10H2O
    Molecular wight  381.37
    Properties  White power or crystal granular 
    Purity   95% min 
    UN number   1458


     

     

          

     ►Specification

     

     

                 Item 

     Specification for borax decahydrate  powder 95%

                Na2B4O7.10H2O  95.00%
     B2O3    ≥36.47%
    Na2O     ≥16.47%
    Na2CO3 ≤0.2%
    NaCL ≤0.5%
    Fe     ≤0.005%
    Water insoluble    ≤0.04%

     

     

     

    ►Features 

     

      1. Borax Decahydrate is chemically stable under normal storage conditions.

     

      2. It will slowly lose water of crystallisation if exposed to a warm, dry atmosphere.

     

    Conversely, exposure to a humid atmosphere can cause recrystallisation at particle

     

    contact points, resulting in caking.

     

      3. When storing the product, care should therefore be taken to avoid wide

     

    fluctuations in temperature and humidity, and to ensure that the packaging is not

     

    damaged.

     

      4. Dissolved in water, Borax Decahydrate hydrolyzes to give a mildly alkaline

     

    solution.

     

     5. It is thus capable of neutralizing acids. It also combines with strong alkalis to

     

    form compounds of lower pH.

     

      6. The relatively constant pH of Borax Decahydrate solutions

     

    makes it an excellent buffering agent

     ►Application

     

    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.

     

     

    · Fire retardant

     

     

    Flux / Fire Retardant Sodium Tetraborate , ISO9001 Approval Tetraborate Decahydrate

     

    · Anti-fungal compound for cellulose insulation

     

    · Moth proofing 10% solution for wool

     

    · Pulverized for the prevention of stubborn pests (e.g. German cockroaches) in

     

    closets, pipe and cable inlets, wall panelling gaps, and inaccessible locations

     

    where ordinary pesticides are undesirable

     

     

     

    Packing details 

     

    Packing :25/50KG plastic pp bag

                  1 ton /jumbo bag ,or customized.

    Contact Details
    Shanghai Yixin Chemical Co., Ltd.

    Contact Person: anny

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    Shanghai Yixin Chemical Co., Ltd.
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    Tel:86-21-59159725
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