Silica Products, Precipitated Silica, Rubber Grade Silica, Precipitated Silica Powder, Micronised Silica, Mumbai, India
     
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PRECIPITATED SILICA

Grades of Precipitated Silica :
 Supersil - 110 ( Precipitated Grade),
 Supersil - 140
( Rubber Grade ),
 Supersil - 180 ( Paint Grade ),
 Supersil - 220
( Tooth Paste Grade ),
 Supersil - 260 ( Micronised Silica )

 
 
 

 

DIFFERENT GRADE OF PRECIPITATED SILICA


SUPERSIL - 110 (Precipitated grade)

SUPERSIL - 110 is most suitable for pesticides, insecticides & fungicides due to their extremely fine particles size and large surface area which account their use as an absorbent carrier and flow conditioner of solids and viscosity control of liquids. It has higher absorption, easier wetting, better compatibility with most toxicants and better chemical stability even after extended storage under tropical condition.

SUPERSIL - 110 also benefits to formulation properties which includes its action as a flow conditioner, anticaking agents, grinding aid to prevent clogging of screens or caking in the mill, as a stabilizing agent to inhibit breakdown of toxicants and as anticaking agent it converts pesticides technical into free flowing powders.

SUPERSIL - 140 (Rubber grade)
SUPERSIL - 140 gives high dispensability, makes it better reinforcing silica and suitable for filling a natural, synthetic and latex rubber, transparent shoe soles, tyres, tubes, rubber lining, vulcanization of rubber etc. to provide toughness and high resistance to abrasion.

SUPERSIL - 180 (Paint grade)
SUPRESIL -180 suitable for delustering or flattening effects in paints, prevents settling of pigment in storage, stabilizer emulsion and helps to covers greater surface area.

SUPERSIL - 220 (Tooth paste grade)
SUPERSIL - 220 suitable in the manufacturing of tooth powder & toot paste. 
Supersil - 220 Silica when added to tooth powder or tooth paste acts as a good abrasive agent, thereby cleaning teeth thoroughly. The transparency of high porous and high surface area of Supersil - 220 Silica permits the development of transparent tooth paste.

SUPERSIL - 260 (Micronised silica)
SUPERISIL - 260 is a superfine micronised Silica grade having all particles below 10 micron. Used for special purposes.

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TECHNICAL INFORMATION
Specification Range
01.  Particle Size Microns
10-12
02.  Surface Area M2 / gm
110-240
03.  Moisture content at1050C, 1Hrs. Max%
5
04.  Ignition loss at 10000C for 1Hrs. Max%
10
05.  Bulk density gm/cc
0.08-0.20
06.  pH 5% Aqueous suspension
6.5-7.2
07.  Water absorption%
175-250
08.  Oil absorption %
180-270
09.  Residue on 325 mesh, wet sieving max %
0.3
10.  Soluble salt % max
0.5
11.  R2O3 max %
0.3
12.  SiO2 - max %
89
13.  Specific gravity
1.95
14.  Refractive index
1.46

    TYPICAL SPECIFICATION OF PRECIPITATED SILICA

Grade Bulk density gm/cc Particle Size
microns
BET surface
area M2/gm
Oil absorption
%
SUPERSIL - 110 0.08 - 0.11 18 - 22 110 - 125 240 - 270
SUPERSIL - 140 0.11 - 0.14 16 - 18 140 - 170 230 - 250
SUPERSIL - 180 0.15 - 0.17 13 - 15 180 - 170 200 - 230
SUPERSIL - 220 0.18 - 0.20 10 - 12 220 - 240 180 - 200

    Note :
   
The above specified values are meant for general description & are not to be taken as 
    actual  specification. 
    
    Supersil Chemicals (India) Pvt. Ltd. does not take any responsibility for incidental 
    or  consequential damages of any kind.  It is the responsibility of user to determine 
    the suitability of use.

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HANDLING OF PRECIPITATED SILICA


General Information

This information is intended to guide handler and to provide him necessary cautions to be observed during handling to the product.

Any fine dust particles when inhaled excessively leads to an overload to the respiratory tract which can cause disorder of this tract. Although the product contains silica but there is no report of Silicosis on the people handling the product. The reason behind is, that the product is amorphous in nature and not crystalline in nature. 
Generally when silica comes in contact with the skin it creates a feeling of dryness on the exposed part. In situation the handler should wash the product from the exposed part and apply some oil or cream to the skin.

Protection measures
Breathing mask
Hand glows
Safety goggles

First - Aid 
Once excessively exposed to the dust remove the exposed person from the dusty area and inhale fresh air.

Disposal
Can be disposed of like harmless household waste.

Toxicology
It is generally observed that on humans if they inhale, come in contact with skin and mucous membranes are not harmed due this product. Incase if inhaled excessively a mechanical overloading of respiratory track may occur. 

As per Indian regulation occupational exposure limit is 10mg. Silica for every 8 working hours. If exceeding the above specified limit the handler is recommended to wear a dust mask. 

Ecology
Precipitated silica are pure amorphous silicon dioxide which is ecologically harmless and inert in chemical sense. Precipitated silica is derived by precipitation from neutral silicate solution. Its is amorphous in nature. 

Health Effects
Supersil precipitated silica can absorb considerable oil or moisture. Persons who have had prolonged contact with the powder or dust can feel a drying effect on their hands or other exposed areas of the body. This drying action on the mucous membrane of the nose and throat has occasionally caused nosebleeds. Stopping the contact with the powder or dust permits the dry skin or mucous membranes to return to their normal condition.

To prevent skin drying of persons whose hands may come in prolonged or frequent contact with Supersil precipitated silica powder or frequent contact with tight-fitting wristlets is recommended. These gloves should be made of closely woven cotton fabric. They should be changed and washed frequently.

Synthetic Supersil precipitated silica powders are amorphous rather than crystalline silicas. Supersil precipitated silica products are not calcined during manufacture.


Handling and storage
Bags of Supersil precipitated silica are handled and stored the same as bags containing other inert materials.


Packaging and Shipping
Supersil precipitated silica are packaged with multi-wall paper bags which contain a moisture barrier to help stabilize the moisture content of the product. This is a major factor in achieving uniform rubber cure rates and assures our customers. Supersil precipitated silica bags can be unitized on expendable pallets for handling by forklift trucks.

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OTHER SUGGESTIVE APPLICATIONS


1. Adhesive :
Supersil precipitated silica is useful to enhance bond strength and as a reinforcing and thickening agent. The dispersed silica particles within a liquid adhesive hardens fast when it is in contact with solid surface. In both natural and synthetic rubber based adhesive Supersil Silica provides thixotropy, reinforcement and promotes adhesion as well as serves as extenders, therefore it raises quality and lowers cost.

2. Anticaking Agent : Supersil precipitated silica is added to a variety of products to improve its free flowing property, lawn fertilizers, fungicides grinding wheel abrasives, drain cleaners, laundry compound, detergent moulding compound, rubber making sulphur and proprietary anticaking compounds.

3. Animal feed stuff : Supersil precipitated silica is used to convert 75% aqueous choline chloride solution into stable 50% powder form.

4. Agriculture : Supersil precipitated silica is used as carrier for active ingredients and it also improves flow characteristics, pouring characteristics and storage stability.

5. Anti-blocking : Supersil precipitated silica is used as an anti-blocking agent in master batch uniform particle size. It creates optimum film anti-blocking.

6. Batteries : Supersil precipitated silica is used to provide porosity in micro porous membranes. A new technology for high performance, maintenance free lead acid storage batteries for automobiles, industrial traction motors, telephone standby and emergency batteries.
Microporous membrane are useful in motorcycle batteries requiring rugged services.

7. Brake lining : Supersil precipitated silica is useful to aid binding properties and stand against high temperature.

8. Cable : Supersil precipitated silica is used in cable insulation cable covers. It is used as reinforcing fillers for hot - vulcanized silicon rubber with optimal properties, as thickening and thixotropic agent for cold curing silicon rubber pastes.

9. Carriers : Supersil precipitated silica is used to transform liquid ingredient into powder form, due to highly absorbent capability of Supersil precipitated silica particles.

10. Cement : Supersil precipitated silica is used as a free flow and anticaking agent.

11. Chemicals : Supersil precipitated silica is used as a grinding, sieving and free - flowing aid for hygroscopic products and carrier for active substances. Thickening and thixotropic agent and as antistatic in powders. It converts liquids in to free flowing powder forms like rubber chemicals and special anti-oxidants.

12. Coatings : Supersil precipitated silica is used as thickening, thixotropic, antisettling agent and as matting agent at high concentration. It also reduces gloss of trade sale clear oil modified urethane varnish. It gives satin sheen in nitrocellulose furniture lacquer. It is also preferred in aluminum extrusion coating and coil coating with long guaranteed life, to reduce gloss at all viewing angles. It is gaining use in high solid pigmented metal office furniture finish.

13. Condoms : Supersil precipitated silica acts as a stripping agent in condoms.

14. Cosmetics : Supersil precipitated silica is used as a thickener for liquid cream, lotion toothpaste, carrier for active substances, emulsion stabilizer, auxiliary in manufacturing of tablets, pills, bulking powder and rheology control as a free flow aid.

15. Defoaming : Supersil precipitated silica is used as a good reactive properties with silicon oil for manufacturing anti foaming agents.

16. Detergent : Supersil precipitated silica is used in detergent as anti - caking and free flow properties and as a process aid.

17. Dyes : Supersil precipitated silica is used as a dilutant in dyes, specially were a transparent diluctant is required which does not effect the luster of fluorescent dyes.

18. Feed stuff and food items : Supersil precipitated silica improves free flow properties and storage stabilities of spices and table salt, coffee, whitener or sugar.

19. Fire extinguishing powders : Supersil precipitated silica ensures extremely good humidity protection due to its hygroscopic nature, so extinguishers remain fully operational even after extended storage.

20. Flavors and fragrances : Supersil precipitated silica converts liquid active substances into powder form and it improves storage stability.

21. Footwear : Supersil precipitated silica is used in transparent soles, sports shoe soles, hawai chappals. Supersil precipitated silica is used as a high abrasion resistance & it also improves the processing of mixtures. It also provides superior durability.

22. Free-flow salt and Guar gum : Supersil precipitated silica is used to improve free flow properties. It is also used as free flowing agent for guar gum and a carrier foe converting liquid to free flowing powder.

23. Fruit concentrates : Supersil precipitated silica in its pure form is added due to its characteristics of absorbing moisture, it finds its application in fruit juice concentrates for free flowing properties in powder forms.

24. Fungicide : Supersil precipitated silica is used due to its high degree of fineness. It allows subsequent expensive grinding.

25. Grease : Supersil precipitated silica is used for vaccum and high temperature grease applications.

26. Insecticide : Supersil precipitated silica is a carrier in insecticides the silica absorbs the oily or wax like components present in insect cuticles thereby killing it by dehydration.

27. Insulation : Supersil precipitated silica is used for thermal insulating material, where working temperature goes upto 650o C or 1200o C. 

28. Industrial rubber belts : Supersil precipitated silica is used to improve there tear strength, heat resistance and adhesion properties. Used in conveyor belts, transmission belts, V-belts.

29. Inks : Supersil precipitated silica is used for viscosity control and due to its flatting and matting agent. It reduces gloss and it increases colour intensity.

30. Lubricants : Supersil precipitated silica is used for rheology control.

31. Mechanical Rubber goods : Supersil precipitated silica is important reinforcing fillers frequently blended with carbon black in conveyor belts, industrial hose and wide variety of products to improve their strength, heat resistance and adhesion properties. 

32. Onion/Garlic powder : Supersil precipitated silica is used as a free flow agent and to protect against the moisture.

33. Paper : Supersil precipitated silica is used as a filler for opacity and brightness and as extender for titanium dioxide. It also provides lightness, whiteness, and mechanical properties.

34. Palletizing : Supersil precipitated silica is used as a binding agent in palletizing and tableting of organic and inorganic powder. 

35. Personal care : Supersil precipitated silica is used in tooth paste and tooth powder. It acts as a abrasive transparent and a very good gentle cleaning.

36. Pharmaceuticals : Supersil precipitated silica is used as a processing agent in tableting and palletizing. Volume filler in capsule and provides free flowability in medicinal powder.

37. Printing ink : Supersil precipitated silica is used a s a thickening and suspending agent, to prevent set off and picking, to heighten brilliance.

38. Processing aid : Supersil precipitated silica is used as a free flow conditioning agent due to their extreme fineness and highly absorbent capacity. Due to poor flow ability it makes it difficult during processing of chemical. Supersil precipitated silica makes easy. 

39. Plant protection : Supersil precipitated silica is used to improve suspension properties and carrier for active substances in wettable powder.

40. Paint : Supersil precipitated silica is used for delustering or flattening effects in paint, prevent settling of pigment in storage, stabilizes emulsion and it also helps to cover a greater surface area. It also reduces gloss in camouflage paint with its anti settling properties.

41. Pest control : Supersil precipitated silica improves suspension stability and is used as carrier for active ingredients. Also it improves flow characteristics and storage stability.

42. Pesticides : Supersil precipitated silica is used as a carrier and diluent because in comparison with cheaper clays, it has high absorption, easier suspensibility, better compatibility with most toxicants and better stability. Even after extended storage under tropical condition.

43. Plastics : Supersil precipitated silica is used as a thickening, thixotropic and suspending agents in liquid systems, paste emulsion etc. it also gives smoother surface finish to extrusions. Improve flow characteristics of powder and insulating properties to PVC compounds for high voltage cables. Anti blocking agents for cellulose hydrate and plastic films. 

44. Polishes : Supersil precipitated silica is used to increase gloss and temperature resistance, improve hardness and tread resistance of dried film.

45. PVC sheets : Supersil precipitated silica can be used in small dosages as matting agent.

46. Railway pads : Supersil precipitated silica provides higher tensile strength, longer life and durability.

47. Reinforcement : Supersil precipitated silica is used as a reinforcing fillers to improve mechanical properties, tears strength in rubber products like tyre, shoe sole, conveyor belts, hoses etc.

48. Rheological (Thickening agent) : Supersil precipitated silica is used as a fillers for highly effective viscosity builders. It is also used as a thickening agent in toothpaste, paints, inks and adhesives.

49. Rubber products : Supersil precipitated silica is used for reinforcements in place of carbon black when coloured, white or translucent product are desired. It also imparts superior adhesion tear resistant and heat-aging properties.

50. Rubber tyres : Supersil precipitated silica improves resistance to tearing in off the round tyre treads. In truck tyre treads it reduces tearing of outer rib when rib against crubs. It also increases compound stiffness before vulcanization and also improve resistance to snagging and tearing damage as well as improve flex and fatigue resistance and reduce heat buildup of tyre compounds, other benefits such as improved road traction and lower rolling resistance. Supersil precipitated silica improves very good tear and abrasion resistance and high tensile strength.

51. Rice rolls : Supersil precipitated silica is used in rice rolls having rubber covers which requires extreme hardness. Supersil precipitated silica imparts hardness as well as optimum abrasion tear and chunking resistance. It also provides longer life and durability.

52. Rubber : Supersil precipitated silica is used as a reinforcing filler in natural, synthetic and latex rubber, shoes, tyres and other moulded goods manufacturer and to provide toughness and high resistance to abrasion. Supersil precipitated silica when dispended in many polymers, when used with rubber. The silica particles forms physical bonds with the rubber molecule chain to strengthen the vulcanized compound.

53. Salt : Supersil precipitated silica provides free flowing characteristics in salt and prevents caking. It dose not effect on taste, odour, colour and nature of the salt.

54. Silicon rubber : Supersil precipitated silica improves processibility of raw mixture and minimizes crape hardening. It also offers resistance to heat aging. It is used in opaque translucent and transreent silicon rubber form. Supersil Precipitated silica provides cost efficient rubber reinforcement in silicon elastomers.

55. Spices : Supersil precipitated silica is used as a free flow and anticaking agent.

56. Sulphur : Supersil precipitated silica is used as a grinding aid for wettable powder.

57. Synthetic soling and rubber footwear : Supersil precipitated silica provides low viscosity and fast and cure processing. Their outstanding reinforcement capability imparts good tensile strength, tear strength, abrasion resistance and stiffeners to soling and footwear. Also benefits of long flex life and prevents cracking.

58. Talcum powder : Supersil precipitated silica is used as a free flowing agent in talcum powder. It prevents caking and provides free flowing ability.

59. Tooth paste & tooth powder : Supersil precipitated silica is used in the manufacturing of tooth powder like normal, medicated and transparent tooth paste. Supersil precipitated silica when added to tooth powder or tooth paste acts as a good abrasive agent, thereby cleaning the teeth thoroughly the transparency of highly porous and high surface area of silica permits the development of transparent tooth paste.

60. Textile cots & Aprons : Supersil precipitated silica is used for reinforcing silica for textile cots & Aprons.

61. Urea : Supersil precipitated silica is used as free flow and anticaking agent.

62. Zinc Oxide : Supersil precipitated silica is used as a free flow and anticaking agent.


The information provided above is a general description and are not to be taken as product specification.

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CONTCT US :
SUPERSIL CHEMICAL (I) PVT.LTD.
Contact Person :- Dhimant Gandhi (C.E.O.)
Mobile No. :- 9867218113

Address : 11, Satya Krupa, Kama Gally,  Hansoti Lane, Ghatkopar (West),  
                 Mumbai - 400 086, Maharashtra, India.

 Telefax : (022) 25164217 Mobile : 9324064217

 Factory : 0260-3948453 

 Email :

Website : www.supersilsilica.com / www.precipitatedsilica.net

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