painting headlineheadline 1.object of paints 2.characteristics of an ideal paint 3.various types of...

PAINTING PAINTING HEADLINE

1.Object of paints2.Characteristics of an Ideal

Paint3. Various types of bases for paints4. Types of paints

6.

Object of paintsObject of paints

Paint performs following functions:Paint performs following functions:

It protect wood from decaying It protect wood from decaying من الخشب من حماية الخشب حماية..التلفالتلف

It prevents corrosion of metals.It prevents corrosion of metals. الصدأ من الحديد الصدأ حماية من الحديد حماية It protects the surface from harmful effects of It protects the surface from harmful effects of

atmospheric.atmospheric. الجوية المؤثرات من الجوية حماية المؤثرات من حماية It gives decorative and attractive appearance to the It gives decorative and attractive appearance to the

surfaces.surfaces. لألسطح وجذاب جمالي لألسطح منظر وجذاب جمالي منظر It renders surface hygienically safe and clean.It renders surface hygienically safe and clean.

وصحية المعة أسطح وصحية تعطي المعة أسطح تعطي

The paint should be cheap.The paint should be cheap. الثمن الثمن رخيص رخيص It should have good covering power. In other words It should have good covering power. In other words

it should be able to cover maximum area of the it should be able to cover maximum area of the surface with minimum quantities of the paint.surface with minimum quantities of the paint.

قليلة بكميات كبيرة مساحات يغطي قليلة أن بكميات كبيرة مساحات يغطي أن It should be easy and harmless to the user.It should be easy and harmless to the user.

ضارة وغير االستخدام ضارة سهلة وغير االستخدام سهلة The painted surface should dry neither too slowly The painted surface should dry neither too slowly

nor too rapidly.nor too rapidly.

بطئ وال سريع ال متوسط الجفاف معدل يكون بطئ ان وال سريع ال متوسط الجفاف معدل يكون ان

..

Characteristics of an Ideal Paint

Atmospheric agencies should not be able to affect Atmospheric agencies should not be able to affect the painted surface.the painted surface.

الجوية بالمؤثرات يتاثر الجوية ال بالمؤثرات يتاثر ال The paint should form a hard and durable coat on The paint should form a hard and durable coat on

the painted surface.the painted surface.

وديمومة وقوة متانة السطح تعطي وديمومة أن وقوة متانة السطح تعطي ..أن The painted surface should posses attractive and The painted surface should posses attractive and

decorative pleasing appearance.decorative pleasing appearance.

جميال منظرا تهطي أن جميال يجب منظرا تهطي أن يجب The paint should not peel off from painted surface.The paint should not peel off from painted surface.

للتقشير قابل غير الدهان يكون للتقشير أن قابل غير الدهان يكون أن


The painted surface should not show any cracks.The painted surface should not show any cracks.

التقشقات على تحتوي ال أن التقشقات يجب على تحتوي ال أن ..يجب It should be good fire and moisture resistant.It should be good fire and moisture resistant.

والرطوبة للحريق مقاوم يكون أن والرطوبة يجب للحريق مقاوم يكون أن ..يجب It should retain its original color for along time.It should retain its original color for along time.

طويلة لفترة االساسي لونه يحتفظ طويلة أن لفترة االساسي لونه يحتفظ ..أن When applied, the paint should form a thin uniform film on When applied, the paint should form a thin uniform film on

painted surface.painted surface.

مقاطعه عبر السماكة متساوية رقيقة طبقة يكون أن مقاطعه يجب عبر السماكة متساوية رقيقة طبقة يكون أن يجبالمختلفةالمختلفة


1. White lead. 1. White lead.

Out of all the bases of paints, it is the cheapest base Out of all the bases of paints, it is the cheapest base and is thus in most common use for ordinary painting works. It and is thus in most common use for ordinary painting works. It is available in market both in powder form and stiff paste is available in market both in powder form and stiff paste form. Paste is made by mixing white lead with linseed oil. It is form. Paste is made by mixing white lead with linseed oil. It is dense, permanent and water proof. It possesses good spreading dense, permanent and water proof. It possesses good spreading and binding power. and binding power.

2. Red lead. 2. Red lead. It is lead oxide and is available in market either inform It is lead oxide and is available in market either inform

of powder or stiff paste ground in linseed oil. It is quite of powder or stiff paste ground in linseed oil. It is quite suitable for painting iron surfaces and for providing a priming suitable for painting iron surfaces and for providing a priming coat to wood surfaces. As it solidifies in a short time with coat to wood surfaces. As it solidifies in a short time with linseed oil, it can be used as a drier.linseed oil, it can be used as a drier.

Various types of bases for paints

3. Zinc white or zinc oxide. 3. Zinc white or zinc oxide. Zinc white is an oxide of zinc and forms the base of Zinc white is an oxide of zinc and forms the base of

all the zinc paints. It is available in powder as well as in all the zinc paints. It is available in powder as well as in paste form, made by grinding with linseed oil. This paint has paste form, made by grinding with linseed oil. This paint has good hiding and spreading power.it is affected by sulpher good hiding and spreading power.it is affected by sulpher vapour charged atmosphere. It is costlier than lead white vapour charged atmosphere. It is costlier than lead white paint and is less durable and workable than it. Its film is paint and is less durable and workable than it. Its film is very hard and brittle and has tendency to develop surface very hard and brittle and has tendency to develop surface cracks.cracks.

4. Iron oxide. 4. Iron oxide. Iron oxide forms the base of all the iron paints. It is Iron oxide forms the base of all the iron paints. It is

exclusively used for the priming coat on iron or structural exclusively used for the priming coat on iron or structural steel. The tint of paint varies from yellowish brown to black. steel. The tint of paint varies from yellowish brown to black. It mixes readily with the vehicle oil and is quite cheap and It mixes readily with the vehicle oil and is quite cheap and durable. It is effective in preventing rusting of iron surfaces.durable. It is effective in preventing rusting of iron surfaces.

Various types of bases for paintsVarious types of bases for paintsVarious types of bases for paints

5. Titanium white.5. Titanium white.This material possesses intense opacity. It is This material possesses intense opacity. It is

chemically inert and not affected by heat or light. It is used chemically inert and not affected by heat or light. It is used as under coat, in case of enamel paints. It is non-poisonous as under coat, in case of enamel paints. It is non-poisonous and provides a thin transparent film.and provides a thin transparent film.

6. Antimony white. 6. Antimony white. It is very nearly similar to titanium white.It is very nearly similar to titanium white.

7. Litho phone. 7. Litho phone. Litho phone is a mixture of barytes and zinc Litho phone is a mixture of barytes and zinc

sulphide obtained by the process of precipitation under sulphide obtained by the process of precipitation under carefully controlled conditions. It is cheap and can be easily carefully controlled conditions. It is cheap and can be easily applied on the surface. When exposed to day light it changes applied on the surface. When exposed to day light it changes colour and as such it should not be allowed to come in colour and as such it should not be allowed to come in contact of watercontact of water..


8. Aluminum powder.8. Aluminum powder.

It is the base of all the aluminum paints. This It is the base of all the aluminum paints. This paint is generally used for a priming coat of new paint is generally used for a priming coat of new work. It prevents working and cracking of wood. It work. It prevents working and cracking of wood. It is impervious and maintains same moisture content is impervious and maintains same moisture content in the wood, if painted with it.in the wood, if painted with it.


Mostly white lead is used as base, in all the light Mostly white lead is used as base, in all the light

colored oil paints. The base i.e. white lead is either obtained colored oil paints. The base i.e. white lead is either obtained

in form of paste directly from market or white lead is in form of paste directly from market or white lead is

ground in linseed oil to the paste like consistency. White ground in linseed oil to the paste like consistency. White

lead paste is broken further by adding a linseed oil and lead paste is broken further by adding a linseed oil and

stirring the mixture with the help of wooden stick. Drier if to stirring the mixture with the help of wooden stick. Drier if to

be used is also ground in little linseed oil and separate paste be used is also ground in little linseed oil and separate paste

of it is prepared. If some specific color is to be developed in of it is prepared. If some specific color is to be developed in

the paint the coloring pigment is also mixed with linseed oil the paint the coloring pigment is also mixed with linseed oil

and a third separate paste is preparedand a third separate paste is prepared..

PAINTING PAINTING Preparation of Oil PaintsPreparation of Oil Paints

Now all the three pastes i.e. white lead paste in Now all the three pastes i.e. white lead paste in

linseed oil ,If the resulting mixture is very thick, it should be linseed oil ,If the resulting mixture is very thick, it should be

thinned into consistency of cream by adding more of linseed thinned into consistency of cream by adding more of linseed

oil and stirring it well. The mixture thus prepared is oil and stirring it well. The mixture thus prepared is

screened through fine sieve or canvass. The screened screened through fine sieve or canvass. The screened

mixture is an oil paint ready for use. The paint may be mixture is an oil paint ready for use. The paint may be

further thinned to desired consistency simply by adding further thinned to desired consistency simply by adding

more of linseed oil or turpentine or both, just before its more of linseed oil or turpentine or both, just before its

actual use.actual use.

PAINTING PAINTING Preparation of Oil PaintsPreparation of Oil Paints

Cont.Cont.

1. Aluminum Paint 1. Aluminum Paint

The paint is prepared by holding very finely The paint is prepared by holding very finely ground aluminum in suspension either in quick ground aluminum in suspension either in quick drying spirit varnish or slow drying oil varnish as drying spirit varnish or slow drying oil varnish as per the requirements of the surface to be painted. per the requirements of the surface to be painted. The suspension liquid i.e. spirit or oil, evaporates The suspension liquid i.e. spirit or oil, evaporates and a thin metallic film of aluminum is left on the and a thin metallic film of aluminum is left on the surface. This paint is used for painting wood work surface. This paint is used for painting wood work and metal surfaces. It is widely used for painting and metal surfaces. It is widely used for painting hot water pipes, gas tanks, marine piers, oil storage hot water pipes, gas tanks, marine piers, oil storage tanks, etc.tanks, etc.

Types of paints

Following are the advantages of aluminum paints.Following are the advantages of aluminum paints.(i) It has very good weather-resisting and water-proofing (i) It has very good weather-resisting and water-proofing

properties.properties.(ii) It is Visible in darkness also because of its silver (ii) It is Visible in darkness also because of its silver

shinning color.shinning color.(iii) It has high electrical resistance.(iii) It has high electrical resistance.

(iv) It protects the surfaces of iron and steel against (iv) It protects the surfaces of iron and steel against corrosion, better than any other paint.corrosion, better than any other paint.

(v) It possesses a very large capacity. For instance one litre (v) It possesses a very large capacity. For instance one litre of this pain may cover an area of about 200 m2.of this pain may cover an area of about 200 m2.

(vi) It is highly heat reflective(vi) It is highly heat reflective(vii) It can withstand the effect of atmosphere contaminated (vii) It can withstand the effect of atmosphere contaminated

with acidic fumes, and also effects of sea water.with acidic fumes, and also effects of sea water.

Types of paints

2. Anti-corrosive paints. 2. Anti-corrosive paints. المضادة المضادة الدهانات الدهاناتللتآكلللتآكل

As their name suggests, these paints are used As their name suggests, these paints are used mainly to protect the surface of metallic structural steel mainly to protect the surface of metallic structural steel

work, against work, against the negative effects of acidsthe negative effects of acids, , corrosive corrosive chemicals fumeschemicals fumes, etc. There are several paints which , etc. There are several paints which

exhibit these properties. These paints essentially consist exhibit these properties. These paints essentially consist of the linseed oil as vehicle and red lead, zinc oxide, of the linseed oil as vehicle and red lead, zinc oxide,

iron oxide, zinc dust, zinc chromate etc, as their base. iron oxide, zinc dust, zinc chromate etc, as their base. Application Areas:Application Areas:

Industrial epoxy flooringIndustrial epoxy flooring Pipe line for sewage and drinking waterPipe line for sewage and drinking water Metallic structure and girdlesMetallic structure and girdles Storage cement and metallic tanksStorage cement and metallic tanks

types of paintstypes of paints

ANTI CORROSIVE PAINT

3. Asbestos paint.3. Asbestos paint. This paint is used This paint is used

for stopping leakage of for stopping leakage of metal roofs and metal roofs and

painting gutters, paint painting gutters, paint is also used as damp-is also used as damp-

proof coat to cover the proof coat to cover the outer face of the outer face of the

basement walls. This basement walls. This paint can withstand the paint can withstand the effects of acidic gases effects of acidic gases

and steam.and steam.


4. Bituminous paint. 4. Bituminous paint. This paint consists of asphalt, bitumen or pitches, This paint consists of asphalt, bitumen or pitches,

dissolves in any type of oil or petroleum. The paint is dissolves in any type of oil or petroleum. The paint is always black in colour but its colour, can be modified always black in colour but its colour, can be modified

by mixing certain pigment like red oxide etc. in it. This by mixing certain pigment like red oxide etc. in it. This paint is used mostly for painting iron-works under paint is used mostly for painting iron-works under

water. water.


Bitumen paint Bitumen paint


5. Bronze paints. 5. Bronze paints. These paints are prepared by disbursing These paints are prepared by disbursing

aluminum bronze or copper bronze in nitro-aluminum bronze or copper bronze in nitro-celrulose lacquer as vehicle. They produce a celrulose lacquer as vehicle. They produce a

very reflective type of surface and hence very reflective type of surface and hence very useful for being applied on radiators. very useful for being applied on radiators.

These paints are equally effective for These paints are equally effective for painting interior or exterior metallic surfaces.painting interior or exterior metallic surfaces.


6. Cellulose paint. 6. Cellulose paint. This type of paint is prepared from cellulose This type of paint is prepared from cellulose

sheets, nitro-cotton and photographic films. This sheets, nitro-cotton and photographic films. This paint dries very quickly and provides a flexible, paint dries very quickly and provides a flexible,

hard, and smooth surface. The paint does not hard, and smooth surface. The paint does not harden by oxidation but by evaporation of thinning harden by oxidation but by evaporation of thinning

agent. The surface of this paint can be easily agent. The surface of this paint can be easily washed and cleaned. It remains unaffected by hot washed and cleaned. It remains unaffected by hot water, smoky or acidic atmosphere. This paint is water, smoky or acidic atmosphere. This paint is

used for painting cars aero planes. used for painting cars aero planes.


7. Casein paint. 7. Casein paint. Casein is a product extracted from Casein is a product extracted from

milk curd. This when mixed with base like milk curd. This when mixed with base like whiting, titanium, lithopone, etc. forms the paint whiting, titanium, lithopone, etc. forms the paint

which is usually available in powder or paste form. which is usually available in powder or paste form. This paint has high capacity and can be applied on This paint has high capacity and can be applied on

new plaster work. It is usually used on walls, new plaster work. It is usually used on walls, ceilings wall-boards, cement block construction ceilings wall-boards, cement block construction

etc. to increase the appearance of the surface.etc. to increase the appearance of the surface.


8. Cement paint. 8. Cement paint. This paint is available in powder form. It consists of This paint is available in powder form. It consists of white or colored cement as its base and water acts as white or colored cement as its base and water acts as vehicle. No oil or varnish is added to it. This paint is vehicle. No oil or varnish is added to it. This paint is

available in variety of shades. It is durable and water-proof. available in variety of shades. It is durable and water-proof. This paint proves to be useful for surfaces which are damp This paint proves to be useful for surfaces which are damp

at the time of painting and are also likely to remain damp at the time of painting and are also likely to remain damp after painting. after painting.

9. Enamel paint. 9. Enamel paint. This paint is prepared by adding base like white lead This paint is prepared by adding base like white lead

or zinc white to a vehicle which is a varnish. To obtain the or zinc white to a vehicle which is a varnish. To obtain the desired colour, coloring pigments may also be added. This desired colour, coloring pigments may also be added. This

paint dries slowly and forms a hard, durable, smooth gloosy paint dries slowly and forms a hard, durable, smooth gloosy solid thin film. Different types of enamel paints are being solid thin film. Different types of enamel paints are being

manufactured in a variety of colours.manufactured in a variety of colours.


10. Emulsion paint. 10. Emulsion paint. This paint consists of synthetic resin like This paint consists of synthetic resin like

poly vinyl acetate. It can be applied easily. It retains poly vinyl acetate. It can be applied easily. It retains its colour for a very long time. The surface of the its colour for a very long time. The surface of the

paint is tough and can be cleaned by washing with paint is tough and can be cleaned by washing with water. This paint has excellent resistance against water. This paint has excellent resistance against

action of alkali. It dries very quickly in about one to action of alkali. It dries very quickly in about one to two hourstwo hours

11. Graphite paint.11. Graphite paint. It is black in colour. It is used over the It is black in colour. It is used over the

surface which come in contact with ammonia, surface which come in contact with ammonia, chlorine, sulphur gases, etc. It is very much used in chlorine, sulphur gases, etc. It is very much used in

under ground railways.under ground railways.


12. Plastic paints. 12. Plastic paints. This paint contains a variety of plastics in This paint contains a variety of plastics in

suspension and is available in the market under suspension and is available in the market under different trade names. This paint is available in very different trade names. This paint is available in very

attractive and pleasing shades. It is mostly used in attractive and pleasing shades. It is mostly used in show rooms, display rooms, and auditorium etc. It show rooms, display rooms, and auditorium etc. It

can be applied by spray or by brush.can be applied by spray or by brush.13. Silicate paint. 13. Silicate paint.

It is prepared by mixing calcium and finely It is prepared by mixing calcium and finely ground silica with resinous materials. It forms a ground silica with resinous materials. It forms a very hard and durable film on painted surface. It very hard and durable film on painted surface. It

can be directly applied on brick, concrete or can be directly applied on brick, concrete or plastered surface, but only after wetting them.plastered surface, but only after wetting them.


14. Luminous paint. 14. Luminous paint. This paint is prepared by mixing calcium This paint is prepared by mixing calcium

sulphide with Varnish. This paint shines in darkness sulphide with Varnish. This paint shines in darkness like radium dials of watches. This paint should be like radium dials of watches. This paint should be applied on surface which have been rendered free applied on surface which have been rendered free

from corrosion or lead paints in particular.from corrosion or lead paints in particular.15. Inodorous paint. 15. Inodorous paint.

This paint consists of white lead or zinc This paint consists of white lead or zinc white mixed with methylated spirit. No turpentine white mixed with methylated spirit. No turpentine

is used in this paint. White lead or zinc white is is used in this paint. White lead or zinc white is ground in oil. Shellac with some quantity of linseed ground in oil. Shellac with some quantity of linseed

oil and castor oil, is dissolved in methylated spirit oil and castor oil, is dissolved in methylated spirit and this mixture is mixed with lead or zinc white and this mixture is mixed with lead or zinc white

paste prepared in linseed oil.paste prepared in linseed oil.


16. Rubber paint. 16. Rubber paint.

This paint is prepared by treating rubber with This paint is prepared by treating rubber with chlorine gas (chlorinated rubber) and then chlorine gas (chlorinated rubber) and then dissolving it in suitable solvent. This paint can be dissolving it in suitable solvent. This paint can be used on new concrete and lime plastered surfaces. used on new concrete and lime plastered surfaces. This paint dries quickly. It is little affected by This paint dries quickly. It is little affected by weather and sunlight. It is resistant against chemical weather and sunlight. It is resistant against chemical actions, water, etc. It can be applied on fresh actions, water, etc. It can be applied on fresh concrete surface i.e., surfaces which are not concrete surface i.e., surfaces which are not completely dry.completely dry.


Painting Brushes And Painting Painting Brushes And Painting Gun Gun

PAINTING PAINTING End

painting headlineheadline 1.object of paints 2.characteristics of an ideal paint 3.various types of...

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ideal paint slide

white paint

painted surface

object of paints paint

iron paints

types of paints

bases of paints

zinc paints