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Chromium-Plating-Chemicals

Chromium

Chromium was discovered by Louis Nicolas Vauquelin in the mineral crocoite in 1797. It was regarded with great interest because of its high corrosion resistance and hardness. A major development was the discovery that steel could be made highly resistant to corrosion and discoloration by adding chromium to form stainless steel. This application, along with chrome plating are currently the highest-volume uses of the metal. Chromium(III) salts are used in the tanning of leather. The high heat resistivity and high melting point makes chromite and chromium(III) oxide a material for high temperature refractory applications, like blast furnaces, cement kilns, molds for the firing of bricks and as foundry sands for the casting of metals. In these applications, the refractory materials are made from mixtures of chromite and magnesite. The use is declining because of the environmental regulations due to the possibility of the formation of chromium(VI).

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E-Brite CR

E-Brite CR is a bright decorative hexavalent chrome plating process that can be used on a wide range of parts and equipment.

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Chromic Acid

Chromic Acid hexavalent chromium compound and a powerful oxidizing agent.It is an intermediate in chromium plating, metal finishing and is also used in ceramic glazes, and colored glass. It can be used to clean laboratory glassware,in magnetic recording tapes,wood preservation.Chromic acid is used in the anodizing of aluminum,used to produce salt-free CCA type wood preservatives.

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Coldip TRI-V

Coldip TRI-V is extremely economical, single component process; produces attractive bright-blue trivalent chromate coatings. It is suitable for both rack and barrel applications where appearance is important and extended corrosion resistance is not required.

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sodium metabisulphite Technical 90 %

Sodium metabisulphite is marketed under the brand ASA IMPEX (ASA).

SMBS is used as a preservative in the starch and food industry to control melanosis (black spot) in shrimp; for fermentation in the industry; as an antichlor in the chemical industry and as a redox catalyst in the acrylic fibre industry.

The product is also used as a reducing agent in the purification of aldehydes and ketones; in the manufacture of sulphonated oil and resin; for detoxification of cyanide in gold ore processing plants and in the manufacture of photographic chemicals.

Sodium metabisulphite is manufactured by ASA IMPEX (India).

Product specifications:

Formula: Na2S2O5
Synonyms
  • Sodium disulphite
  • Sodium pyrosulphite
Grade:

This product is available in three grades:

  • Industrial
  • Food
  • Technical
  • Commercial
Applications: Water Treatment Chemical :Sodium Metabisulfite plays an important part in the treatment of water,wastewater and waste as a strong reducing agent.

Leather Processing Industries (SMBS) :Sodium Metabisulfite is used as leather processing chemical during the deliming process and helps to prevent formation of toxiz hydrogen sulphide gas during deliming.

Acrylic Sheets Manufacturing :It is used in manufacturing of acrylic sheets.

Chemical Industries :It is a common reducing agent in chemical industries. Also, Sodium Metabisulfite is used as a bleaching agent in pulp and textile manufacture.

Food
  • As a preservative in fruits and starch
  • As an enzyme inhibitor in melanin formation (black and brown spots)
Packaging
  • 50 kg HDPE bags

 

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eco-friendly chrome acid fog inhibitor Bt-116(cas:59587-38-1) Industrial Grade 95

eco-friendly chrome acid fog inhibitor Bt-116(cas:59587-38-1)

Product name: Potassium perfluorohexyl ethyl sulfonate

Model number:BT-116

Component

Concentration

CAS No.

Potassium perfluorohexyl ethyl sulfonate

98%

59587-38-1


                           

Characteristics

 

Chemical name

Potassium perfluorohexyl ethyl sulfonate

CAS No

59587-38-1

EINECS No

261-818-3

Molecular formula

C8H4F13SO3K

Molecular weight

466

Melting point

285°C

Surface tension

22dyn/cm(0.1%)

Assay

95%min

Appearance

White crystal powder

 

Application

Bt-116 is an environmental protection chromium mist inhibitor which is a kind of highly effective fluorocarbon surfactant without PFOS series. It has good high temperature resistance, oxidation resistance and electrolytic stability in the production process of chromium electroplating. It can effectively reduce the concentration of chromic acid in electroplating workshop. Moreover, it can inhibit

the volatilization of acid mist, improve the working environment in the electroplating workshop and reduce the cost.

Usage Instructions:

Making up solution: add 0.1g-0.4g of BT-116 in every liter of the making up solutions. First time can increace the quantity of BT-116 to achieve super saturation state, and later can be added according to the consumption of foam. (dissolve the weighed white crystalline powder BT-116 with hot water above 80 ° C and then add the solution into the electrolytic bar.)

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