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Industrial Applications : 

SOAPS and COSMETICS

The natural qualities of talc gives cosmetics stability, texture, skin adhesion, slip and water resistance. Talc is pure, odorless and free from impurities. Talc is not only used in Body Talc (Talcum Powder) and Toilet Soaps, but also in Detergents and Washing Powder.

In body talc, it acts as a perfume carrier due to its chemical inertness and lamellar structure. At Bhumann's, supplies to body talc manufacturers are also sterilized remove any microbiological contamination. 

In soaps, talc is mainly used as a filler. The consumption of talc in Soap, varies between 5 to 40% depending on the quality and type of soap. It also acts as a binding agent and gives hardness to the cake. 

DETERGENTS

In detergent powder also, Talc acts as a carrier of detergents and also reduces the cost. Due to its natural quality of being inert and harmless to skin, it is the most popular filler.

PHARMACEUTICALS

Although a small user, the pharmaceutical industry requires highly pure, specialized and bacteria free talc for Tablets, Ointments and Dusting. The thermal & chemical inertness of talc makes it an ideal filler.

The pharmaceutical talc is processed to remove impurities like iron oxide, dolomite, carbon, magnesium and carbonate minerals.

ANIMAL FEED

Being hydrophobic in nature, talc prevents loss and absorption of water from animal feed, thus protecting the essential nutrients.

Talc is used as an anticaking coating in feed bins. It's non-toxic nature offers no danger to the livestock.

OTHER USES 

· Dry fire extinguishing powder, Cereal polishing, Bleaching agent, Floor Wax, Water Filtration, Leather Treatment, Shoe Polish, Welding rod coating, Printing Ink, Casting for Iron Ore in the direct reduction process, Asphalt, Jointing Compounds,Confectioneries,Foam / Rubber, Putties 

PAPER



The paper industry is the largest consumer of Talc and generally uses 300 Mesh (53µ) with the range of brightness varying between 80% to 96%.

Talc is used in three stages of paper making : 

· As a filler to give smoothness, porosity and opacity to paper in addition to reducing the cost. 

· To control Pitch and Stikies... during the paper making process, oleoresinous droplets micro or colloidal in nature get added to the stream. These micro impurities can clog the paper machinery. Talc being hydrophobic absorbs these micro droplets or if the droplets are big then talc lamellae stick to their surface thus controling their stickiness. 

· In coating formulations... because of its platyness and high brightness, talc leads to reduction in usage of expensive whitening and helps in controlling gloss of the coat. Talc also provides smoothnesss to the surface and imparts opacity to the coat. 

Additionally talc reduces the friction on paper manufacturing machinery thus reducing wear.

CERAMICS

A major consumer of industrial minerals, the Ceramic Industry (especially Asia) uses Talc for "body" and glazing of: 

· Wall Tiles, Sanitaryware,Electrical Insulating (Steatite Talc),Porcelain,Dinnerware 

The Talc used is generally of 80-93% whiteness and 200-300 Mesh. 


PAINTS and COATINGS

Owing to its low cost and platy structure, Talc is widely used in the paint industry, particularly in marine paints and protective coatings. Benefits include: 

· Reinforcement of the Paint film. 

· Reduction in the quantity of primary pigment consumed. 

· Controls gloss of paints 

· Helps in suspending other pigments. 

· Improves durability of Paint. 

· Improves rust inhibitive properties & corrosion resistance. 

· Improves stability of emulsion paints. 

· Prevents enamel from running. 

· In traffic paints for better abrasion resistance. 

· Improves stain resistance in Paint. 

· Enhancement of smoothness at the time of application. 


The amount of Talc used in paints varies between 2 to 30%. Also the fineness of Talc used in paints varies between 100µ to 20µ. The oil absorption of Talc used in Paints is between 40 to 60 gm per 100 gm.

PLASTICS

With the plastic industry on a fast growth-track, the usage of talc is growing fast in PP, HDPE, LDPE, PVC, ABS & Thermosetting Compounds.

Talc is having a huge demand as a filler due to its following properties: 

· Platy in nature 

· Excellent blending characteristics with oleo resinous materials. 

· Excellent thermal resistance 

· Superior electrical resistance 

· Chemically inert 

· Smooth greasy feel 

In Polypropylene, talc is used to improve mechanical strength and scratch resistance. The Automotive industry uses Talc for dashboards, interior trims, bumpers etc. Talc is also used in plastics for computer bodies and garden furniture where increased UV resistance is a highly desirable characteristic. It is also used as antiblocking agent in film-like bags used for fruits, vegetables etc. Many compounding factories are also using Talc.

Talc imparts the the following properties to plastic: 

· Improves Chemical & Heat Resistance. 

· Improves impact absorbing strength. 

· Gives dimensional stability. 

· Improves stiffness, hardness, tensile strength. 

· Gives electrical insulation property. 

The Plastic Industry uses Talc of 20µ to 1µ particle size.

Normal Supplies : 300mesh, micro talc in both SSW and off white colour.

Packing : HDPE bags. 50 Kgs. nett.

specifications︰

TALC
Talc is a naturally accruing steatite. It is also called as french chalk, soap stone powder. It comes in brilliant white and off colour. It has extremely soft soappy feeling and the powder is very slippery.

Chemically Talc is Magnesium Silicate : 3Mgo, 4SiO2, H2O.

Chemical Composition :

MgO : 33.5% 
SiO2 :60-63% 
Fe2O3 : 00.5% 
CaO : 00.2% 
Al2O3 : 00.1 - 00.4% 


Physical Properties :

Sp. gravity : 2.7 to 2.9 
Whiteness : 75 To 97% 
Oil obsorption value : 36 to 42 
Hardness : 1 (Mohs) 
Moisture & Volatile matter : 0.5% by wt. (105 deg.C) 
Water soluble matter : Max 0.2%