Steps to Start Cement Paint Making Business
Cement paints are covered under Powder Paints which are used for exterior cemented walls, all types of masonry surfaces like Bungalows, Multistoried buildings, Bridges, Dams, Houses, Buildings of General Public, etc. and can also be used for Interior as well as exterior masonry cemented surfaces. A wide range of colours and shades in cement paints have been developed and manufactured to meet various choices, moods, service conditions, and methods of application, performance and economic requirements. Cement paints are widely used by general public and Government Departments, and establishments.
Cement paints give following excellent properties to any masonry surface:
1) Cement paint gives very good protection to all kinds of masonry surfaces from Ultraviolet rays present in sunrays.
2) It gives very good protection from severe climatic conditions like rain, heat, water, humidity, salt atmosphere near sea-shores, to all types of cemented walls, surfaces.
3) It prevents growth of fungus and bacteria on masonry surfaces.
4) It gives very good colour and pleasing appearance to all types of masonry surfaces.
5) Cements paint hides out various surface irregularities, hair lining, roughness etc. thereby giving smooth and pleasing appearance to all cemented masonry surfaces where it is applied. Cement paints normally give smooth and matt finish.
The machines and equipments for the manufacture of cement paints are indigenously available and are not very expensive also. The process and technology being simple, this item is suitable for development in rural and backward areas. Cement paint produces a smooth, matt finish, is strongly water repellent and weather proof. It is hygienic and an excellent light reflector, requires minimum curing with water, without peelings, flaking or rubbing offs.
Market Potential for paint making business
Since the cement paints gives high order of protection, decoration, beautification and durable properties than the normal whitewash. It is extensively used on all types of cemented masonry surrfaces like Bungalows, multi-storied building, bridges, dams, general public buildings, houses etc. The demand of cement paint is increasing with the general requirement of human beings throughout the country. Cement Paints have a very good market and a very promising future. There is a substantial demand for Cement Paints from Government sectors like Railways, Defence, State Electricity Boards, State Govt. Enterprises, various contractors, architects and engineers.
Basis and Presumptions
1. The information supplied is based on a standard type of manufacturing activity utilizing conventional techniques of production and optimum levels of performance.
2. The estimates are drawn for a production capacity generally considered techno-economically viable for a model type of manufacturing activity.
3. Interest rate is taken as 14%
4. Operative period of the project is around 10 years considering technology obsolescence rate and period of repayment of loan.
5.The costs of land, construction charges, cost of machinery and equipment, raw materials and consumables, salary and wages, other expenses etc. indicated in the profile are based on the prices prevailing at the time of preparation. Therefore, there are subject to necessary changes from time to time based on the local conditions.
Manufacturing Process Of Paint
Cement paints are composed of the following ingredients :
i) Pigments ii) Binder iii.) Additives and iv) Solvents—water, which is added before application.
The pigment portion consists of prime pigments like Titanium Di Oxide, Carbon Black, Phthalocyanine blue, Phthalocyanine Green, Red Oxide etc. with suitable quantity of extenders like whiting, china clay etc.
The binder is the white cement or ordinary Portland cement-33 grade which acts as a film former or pigment binder. Here water is used as solvent which is generally, added before application of cement paint to the masonry surface. Water is to be added in cement paint to bring it to the desired consistency. Additives like wetting and dispersing agents, antifungicidal agents etc. are added in small percentage to impart specific properties to the cement paint.
Cement Paints are made on the basis of the above ingredients depending upon the formulations used by individual manufacturers which is further based on customer’s requirements and specifications.
In the manufacturing of Cement Paints Ball Mills and Edge Runner are used. All the pigments/extenders and some portion of binder (e.g. White cement, Ordinary Portland cement-33 grade etc.) with dispersing agents as per formulation are charged in the Ball Mills and run till the desired grinding/dispersion is achieved.
The ground material is taken out with the help of the rest portion of binder to the Edge Runner machine. Again it is grinded and mixed uniformly. Anti-fungicides and other required additives as per formulation are added here. Again grinded and mixed uniformly. Then shade matching is done in comparison with the colour card of manufacturer or as per the requirements of customers. Then quality control testing is done to achieve the required properties. After quality control testing is O.K. It is packed into containers or bags as per the requirements.
Before painting new surfaces, it should be thoroughly cleaned and free from efflorescence. Previously painted surfaces should be washed out or brushed down. But if the surface is in powdery or flaking condition, it should be removed by scraping or wire brushing, Cement Paint normally should not be used on non-absorbent surfaces, such as glazed bricks or neat cement finish or previously flat oil or enamel painted work.
Two coats of cement paint are usually sufficient on a new surface. Cement Paint, in powder form, is to be thinned with water for applying by brush or spray. Cement paint is to be made into a creamy consistency by adding three volumes of Cement Paint to one volume of water.
Normally cement paint must be added to water and not water to cement paints. The above paste is diluted to a suitable paint consistency by adding, while stirring, further 2-3 volumes of water.
Cement paint can be applied by either brushing or Roller coating. According to the painting instructions, the surface is to be prepared and saturated with water. Immediately after the excess surface water disappears, one coat of Cement paint thinned with water previously is to be applied. After 4-6 hours, the surface is to sprinkled again with water. When dry, usually overnight, the surface is to be wet with water as done earlier before first application and second coat of Cement paint is to be applied in the same way and water sprinkled after 4 to 6 hours.
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