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Astrra Chemicals
Astrra Chemicals


Industrial Chemicals

Our range of products include precipitated barium sulphate, thymol crystals, zeolite powder, aluminum silicate, asbestos powder and borax.

Precipitated Barium Sulphate

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Precipitated Barium Sulphate
Approx. Rs 68 / KG
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Counted among the illustrious manufacturers, suppliers, wholesaling and exporting of Precipitated Barium Sulphate, we have marked a remarkable position in the industry. This sulphate is widely used in root canal filling, as filler in plastics and in powder coatings. Premium quality chemical compounds are used in the formulation of these chemicals.

Features:

  • Balanced pH
  • Precise composition
  • Longer shelf life

Certificate of analysis:
Purity as BaSO498.5. 0% Max.
Moisture0.11%

Chlorides as Cl

0.08%
Iron as Fe0.005%
Mesh passes from 400 BSS99.9%
Settling rate ml/15 min.80
  • Minimum Order Quantity: 100 KG
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    Thymol Crystals

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    Thymol Crystals
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    Supported by a team of diligent professionals, we are engaged in manufacturing, supplying, wholesaling and exporting a wide range of Thymol Crystals. These crystals are processed using superior quality chemical compounds that are sourced from certified vendors of the market. Our offered crystals are widely used in various industries like perfumery, preservatives and pharmaceuticals.

    Features:

    • Precise pH value
    • Accurate composition
    • Longer shelf life

    Certificate Of Analysis:

    Description

    Colorless Crystals, Odour, Characteristic.

    Solubility

    Very Soluble in Ethanol (95%) and in ether, very slightly soluble in water. Freely soluble in volatile oils and in fixed oils.

    Identification:

    A. By IR

     

    B. Chemical Test

    C. Chemical Test

    D. Melting Point

     

     

    The infra-red absorption is concordant with the spectrum obtained from Thymol RS.

    A Violet colour develops

    A Bluish greet colour develops.

    49 Degree celsius

    Acidity

    The solution is yellow

    Clarity & Colour of OS 4, and Solution

    The solution is not more opalescent than opalescence standard and not more intensely coloured than reference solution RS6

    Related Substances of any

    In the chromatogram obtained with solution (1) the sum of areas peak in the Secondary peaks is not greater than the area of the principal peak in the Chromatogram obtained with solution (2).

    Residue on evaporation

    Less than 0.05%

    Assay

    99.4%

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    Zeolite Powder

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    Zeolite Powder
    Approx. Rs 69 / KG
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    Pertaining to the clients' requirements, we are engaged in manufacturing, supplying, wholesaling and exporting quality assured Zeolite Powder. This powder is processed using superior quality ingredients that are sourced from accredited vendors of the market. To rule out the possibility of any impurity, this powder is stringently checked on various aspects like composition and shelf life.

    Features:

     

    • Highly effective
    • Purity
    • Balanced pH


    Certificate of analysis:

    Na2O

    0. 812%

    MgO

    0. 843%

    Al2O3

    6. 536%

    SiO2

    78.02%

    P2O3

    0. 247%

    SO3

    0. 029%

    CaO

    10. 71%

    TiO2

    0. 216%

    MnO

    0. 062%

    Fe2O3

    1. 257%

  • Minimum Order Quantity: 100 KG
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    Aluminum Silicate

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    Aluminum Silicate
    Approx. Rs 48 / kg
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    Noted among the topmost organization, we are involved in manufacturing, supplying, wholesaling and exporting premium quality Aluminum Silicate. This chemical is formulated using high quality chemical compound in order to meet the international quality standards. Our offered chemical is made available in different quantities as demanded by our valued clients.

    Features:

    • Purity
    • Precise composition
    • Balanced pH

    Certificate of analysis:

    Molecular formulaAl2 SiO5
    Molar mass162.0456 g mol-1
  • Minimum Order Quantity: 100 kg
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    Asbestos Powder

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    Asbestos Powder
    Approx. Rs 23 / Kilogram
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    Certificate of analysis:
    Element SiO2 MgO H2O Al2O3 FeO NiO
    (%)
    Content
    41.36 40.14 13.22 0.65 2.25 0.27

  • Minimum Order Quantity: 50 Kilogram
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    Borax

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    Borax
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    Certificate of analysis:
    Molar mass 381.38 (decahydrate)
    201.22 (anhydrate)
    Appearance white solid
    Density 1.73 g/cm3 (solid)
    Melting point 743 °C; 1,369 °F; 1,016 K
    Boiling point 1,575 °C; 2,867 °F; 1,848 K
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    Boric Acid

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    Boric Acid
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    Certificate of analysis:
    Molar mass 61.83 g mol−1
    Appearance White crystalline solid
    Density 1.435 g/cm3
    Melting point 170.9 °C; 339.6 °F; 444.0 K
    Boiling point 300 °C; 572 °F; 573 K
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    Calcined Zeolite

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    Calcined Zeolite
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    Certificate of analysis:

    Appearance

    White Powder

    Brightness(ISO)

    82+/-0.5%

    Loss on ignition

    14%(Max)

    Coarse particle on 53

    Micron IS SIEVE (Max)

    0.05%(Max)

    Ph (of 20% aqueous solution)

    4.5 to 6.5

    Particles less than 2 micron

    68% w/w (Min)

    Bulk density

    0.8%+-0.1 gm/cc

    Moisture

    1%(Max)

    Melting point

    1735 Deg.C

    Specific gravity (H2O=1)

    2.63

     

    Chemical analysis (w/w)%:

     

    Silica

    45.17

    Ferric Oxide

    0.50(Max)

    Alumina

    37.59

    Titanium Dioxide

    0.50

    Calcium Oxide

    0.22

    Magnesium Oxide

    0.12

    Sodium Oxide

    0.31

    Potash

    0.07

     

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    Carbon Black Micronized

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    Carbon Black Micronized
    Approx. Rs 45 / Kilogram
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    Certificate of analysis:

    Iodine valueSpecific surface areaMoisture
    Coconut shell800-1100
    mg/g
    >1000
    m2/g
    ≤5%
    Nut shell>1000mg/g>1000
    m2/g
    ≤5%
    Coal columnar800/900
    mg/g
    >850m2/g≤5%
    powder>900mg/g>1000
    mg/g
    ≤5%
  • Minimum Order Quantity: 20 Kilogram
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    Caustic Soda Flakes

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    Caustic Soda Flakes
    Approx. Rs 64 / kg
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    Certificate of analysis:
    Molar mass 39.9971 g mol−1
    Appearance White, waxy, opaque crystals
    Odor odorless
    Density 2.13 g/cm3
    Melting point 318 °C; 604 °F; 591 K
    Boiling point 1,388 °C; 2,530 °F; 1,661 K
  • Minimum Order Quantity: 100 kg
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    Diatomaceous Earth

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    Diatomaceous Earth
    Approx. Rs 69 / Kilogram
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    Diatomaceous Earth is contained on the permitted substances lists for livestock production, crop production and processing. Permitted uses include

     

    Natural plant protectant (natural insecticide)

    Anti-caking agent in feed to a maximum of 2% if the total diet

    External parasite control for livestock (achieved by dusting the animals and the litter or  bedding area)

    Food filtering aid or clarifying agent

     

  • Minimum Order Quantity: 100 Kilogram
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    Ferrous Sulphate

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    Ferrous Sulphate
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    Certificate of analysis:
    Molar mass 151.908 g/mol (anhydrous)
    169.92 g/mol (monohydrate)
    278.05 g/mol (heptahydrate)
    Appearance blue/green or white crystals
    Odor odorless
    Density 2.84 g/cm3 (anhydrous)
    2.2 g/cm3 (pentahydrate)
    1.898 g/cm3 (heptahydrate)
    Melting point 70 °C (dehydration of heptahydrate)
    400 °C (decomposes)
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    Molecular Seive 3a

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    Molecular Seive 3a
    Approx. Rs 400 / Kilogram
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    CERTIFICATE OF ANALYSIS

    MOLECULAR SEIVES 3a BEADS

    (A) SIZE & SHAPE : (PORE DIA = 3A DEG. )

     

    3mm pellets

    1.4 – 3.0 mm. dia.beads/ 3 – 5 mm. dia. Beads.

    ( B ) MECHANICAL PROPERTIES:

     

    Bed Crushin strength

    90% min.

    90%

    Loss on attrition

    0. 3% max.

    0. 2 % Max.

     

    ( c ) PHYSICAL PROPERTIES:

     

    Tapped bulk density, Kg/m3

    650 – 700

    720

    Static equilibrium water adsorpation capacity

    15 RH: 17 – 20%

    75 RH: 22 – 24%

    18. 3%

    24. 1%

    Free Moisture

    2% max.

    2% max.

     

     

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    Molecular Seive 4a

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    Molecular Seive 4a
    Approx. Rs 400 / Kilogram
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    MOLECULAR SEIVES ( GRADE - 4A )

    (A) SIZE & SHAPE : (PORE DIA = 4A DEG. )

     

    3mm pellets

    3. 5 mm. dia. Balls/

    1 .5 – 3. 0 mm beads

    ( B ) MECHANICAL PROPERTIES:

     

    Bed Crushin strength

    90% min.

    90%

    Loss on attrition

    0. 3% max.

    0. 3 % Max.

     

    ( c ) PHYSICAL PROPERTIES:

     

    Tapped bulk density, Kg/m3

    650 – 700

    750 – 800

    Static equilibrium water adsorpation capacity

    15 RH: 18 – 21%

    75 RH: 22 – 25%

    18 – 21%

    22 – 25%

    Free Moisture

    2% max.

    2% max.

     

     

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    Molecular Sieves

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    Molecular Sieves
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    Certificate of analysis:
    Mechanical: RESULTS
    Type 13X
    Form Beads
    Size 1. 5 MM
    Bed Crushing Strength 90%
    Loss On Attrition: (Wear rate) Hard surface % (Tumbling & rotation method) 0. 15%
    Physical:
    Water adsorption at 60% RH & 30 DEG.C 24.5%
    Water adsorption at 15% RH & 30 DEG.C 23.0%
    Thermal stability at 600 DEG.C, adsorption 24.5%
    Benzene@ other toxic gases adsorption capacity 32.5%
    Mercaptan removal 6%
    Free moisture at 120 Deg.C 1.54%
    Tapped Bulk density 0.70 Kg/ltr.

    • Size & Shape :

    3mm pellets

    1.4 – 3.0 mm. dia.beads/ 3 – 5 mm. dia. Beads.

     

    • Mechanical Properties:

    Bed Crushing strength

    90% min.

    90%

    Loss on attrition

    0. 3% max.

    0. 2 % Max.

     

    • Physical Properties:

    Tapped bulk density, Kg/m3

    650 – 700

    720

    Static equilibrium water adsorption capacity

    15 RH: 17 – 20%

    75 RH: 22 – 24%

    18. 3%

    24. 1%

    Free Moisture

    2% max.

    2% max.



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    Oleic Acid

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    Oleic Acid
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    Certificate of analysis:
    Molar mass 282.46 g mol−1
    Appearance Pale yellow or brownish yellow oily liquid with lard-like odor
    Density 0.895 g/mL
    Melting point 13 to 14 °C; 55 to 57 °F; 286 to 287 K
    Boiling point 360 °C; 680 °F; 633 K ([1])
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    Plaster Of Paris

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    Plaster Of Paris
    Approx. Rs 29 / Kg
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    CERTIFICATE OF ANALYSIS

         PLASTER OF PARIS

     

    TEST PERFORMED

    LIMIT

    RESULSTS

    DESCRIPTION

    White hygroscopic powder odorless, tasteless.

    Complies 

    SOLUBILITY

    Slightly soluble in water, practically in soluble in alcohol.

    Complies 

    IDENTIFICATION

    A) Gives reaction of calcium

    Complies 

    pH

    Between 6.5 and 9.0

    7.1

    SETTING PROPERTIES

    4 to 6 min (240 sec to 360 sec)

    245 to 345sec

    ACID INSOLUBLEMATTER

    NMT – 5 Mg.

    4 mg

    LOSS ON IGNITION

    BETWEEN 4.5 to 8%

    7. 25%

     

     

     

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    Polyvinyl Alcohols

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    Polyvinyl Alcohols
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    Certificate of analysis:
    Viscosity (mp.s) 22.0-30.0
    Alcoholysis degree (mol/mol) 99.0-100
    Volatile (%) ≤9.0
    Sodium Acetate (%) ≤2.3
    Ash (%) ≤1.0
    PH Value 5-7
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    Precipitated Silica

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    Precipitated Silica
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    Certificate of analysis:
    Particles diameter 5 - 100 nm
    Surface area 5-100 m2/g
    Size 1 - 40 µm
    Average pore size > 30 nm
    Density 1,9 - 2,1 g/cm3
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    Pure Ammonium Chloride

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    Pure Ammonium Chloride
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    Certificate of analysis:

    Appearance

    snow white crystalline powder, free flow

    Chemical name

    ammonium chloride, nh4cl

    nh4cl

    99. 00% min. ( generally found 99. 30%)

    Heavy metal

    nmt 10 ppm

    Ph of 5% solution

    4. 5 to 6. 0 ( generally found 5. 00 )

    Sulphate

    nmt 150 ppm

    Iron

    nmt 20 ppm

    Nitrate

    nmt 0. 002%

    Nitrogen content

    23. 00 to 25. 00 ( generally found 26. 00 )

    Loss on drying

    nmt 1. 00% ( generally found 0. 45% )

    Mesh size

    20 - 100%

    60 - 56%

    100 - 14%

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    Rapeseed Oil

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    Rapeseed Oil
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    Certificate of analysis:
    Specific gravity0.905-0.912
    Iodine value97 - 115
    Saponification value170 - 180
    Free fatty acids (as oleic)< 1.0%
    Unsaponifiable matter1.5 max
    Erucic acid (C22:1)40% min
    Color Gardner4 max
    Moisture< 0.05%
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    Soda Ash

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    Soda Ash
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    Uses :

    • Glass
    • Swimming Pools
    • Water Softener in Laundering
    • Removes Stains
    • Descaling Agent
    • Food Additive
    • Wetting Agent


    Certificate Of Analysis

    Soda Ash Light

    Sodium Carbonate

    Na2CO3

    99. 50% MIN.

    Chloride in terms of

    NaCL

    0. 46% MAX.

    Iron in terms of

    Fe2O3

    0.0007%

    Substance insoluable in water

     


    0. 01% MAX.

     

     

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    Zeolite ( Aqua Culture )

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    Zeolite ( Aqua Culture )
    Approx. Rs 32 / KG
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    ZEOLITE ( AQUACULTURE ) ( GRADE – ASM )

    The Use of Zeolite in Aquaculture

     

    Zeolite is a naturally occuring deposit (i.e. rock!) that has a fairly unique structure which is highly porous whilst also allowing for rapid uptake and

    loosing of charged particles. Therein lies the relevance of zeolite to aquaculture; when placed in water zeolite filters ammonia out of the water and

    holds it inside its' porous structure. As ammonia is highly toxic to fish this is a very useful way of reducing ammonia concentration in water.

    The ability of zeolite to absorb ammonia is not unlimited and once it reaches saturation it can be placed into a salt water solution to be recharged.

    Here it conviniently exchanges the ammonia for sodium, making it again capable of absorbing further ammonia when moved out of the salt solution to a

    freshwater solution. This charging and removing of ammonia from the zeolite can be repeated many times prior to the zeolite become clogged and useless.

    Zeolite is often used when transporting fish for a period of several hours to avoid the ammonia accumulation in the bags or transport tank from reaching

    toxic levels. This is probably the most common function of the substance. It can also be used when setting up a new recirculating system or tank to

    maintain low ammonia levels while the biofilter is maturing. Occassionally zeolite is used in reef aquarium to polish the water of unwanted particles

    other than ammonia.

    It is illogical to use zeolite in a biofilter as the filter media because the ammonia sponge capacity will reach saturation, whereafter no more

    ammonia will be taken up. At this point the zeolite will be colonised by filter bacteria and function just as any other porous biofilter media.

    The danger exists though that at a point in time you may decide to treat the tank with salt to kill off a parasite that has entered the tank or pond,

    and the ammonia will then be released from the zeolite into the water stressing the fish.

    Be aware when purchasing zeolite that not all zeolites are equal. The geomorphological conditions present at the time when it formed determine the

    chemical structure of the zeolite, and this in turn decides whether they have an affinity for ammonia or other salts such as calcium or magnesium.

  • Minimum Order Quantity: 100 KG
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    Zinc Chloride

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    Zinc Chloride
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    Specification:

    • Purity :- 78 - 80% as Zinc Chloride ( Commercial Grade )
    • Heavy Metals :- Very Low ( .005 ppm )
    • Appearance :- Snow White

    Uses :-

    • Galvanizing Industries
    • Electroplating Industries
    • Glue Industries
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    Zinc Oxide

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    Zinc Oxide
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    Certificate Of Analysis:

    Item/Grade

    ZnO

    Excellent Grade

    First Grade

    Metal Zn%

    No

    0.003

    PbOPb%

    0.01

    0.030

    CuOCu%

    0.0002

    0.0004

    Mn OxideMn%

    0.0001

    0.0001

    Insolubles in HCL%

    0.006

    0.008

    Fe oxideFe%

    0.001

    0.002

    Loss in ignition,%

    0.2

    0.2

    Soluble in water%

    0.1

    0.2

    Volatile (105oC)

    0.3

    0.4

    Particle size, um

    20-30

    20-30

    Oil absorptiong/100g

    14

    14

     

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    Zinc Oxide ( White Seal )

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    Zinc Oxide ( White Seal )
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    We are leading manufacturers, wholesaler and exporters superior quality Zinc Oxide
    ( White Seal )

    ZINC OXIDE ( WHITE SEAL )

    CERTIFICATE OF ANALYSIS

    Moisture Content (%)

    0.039

    Loss on Ignition (%)

    0.058

    Matter insoluble in HCL (%)

    BDL (D.L.0.01)

    Matter soluble in water (%)

    0.12

    Relative density @ 25 deg C

    5.48

    Copper as Cu (%)

    0.0002

    Lead as pb (%)

    0.0010

    Maganese as Mn (%)

    BDL (D.L.0.0001)

    Iron as Fe (%)

    0.0005

    Acidity as H2SO4 (%)

    0.16

    Material passing through IS: 75 micron (200 mesh ) (%)

    Completely Pass

    Material passing through IS: 75 micron (200 mesh ) (%)

    99.92

    Zinc oxide (Purity) (%)

    99.92

     

     

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    Zinc Sulphate

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    Zinc Sulphate
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    Certificate Of Analysis:
    Appearancewhite powder
    Odorodorless
    Density3.54 g/cm3 (anhydrous)
    2.072 g/cm3 (hexahydrate)
    Melting point680 °C decomp. (anhydrous)
    100 °C (heptahydrate)
    70 °C, decomp (hexahydrate)
    Boiling point740 °C (anhydrous)
    280 °C, decomp (heptahydrate)
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    Call Us: +91-8079446601
    Astrra Chemicals
    Sanklesh Fatechand Chabria (Managing Partner)
    No. 11, Moores Road, Moores Garden Thousand Lights,
    Chennai - 600006, Tamil Nadu, India
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