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CE 14 REPORTS > GROUP 2 - PAINTS & COATINGS > Flashcards

GROUP 2 - PAINTS & COATINGS Flashcards

1
Q

Ranges from the broad group of
environmentally-sound latex paints that many consumers use to decorate and protect their homes and the translucent coatings that line the interior of food
containers,

A

Paint

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2
Q

Types of paints

Commonly produced by adding zinc or lead straight to varnish. Proven to form hard and glossier coatings that are absolutely easy to clean.

A

Enamel Paint

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3
Q

Types of paints

Usually use white lead as its base and applied in 3
coatings. Can greatly achieve glossy and mat finishes while
being durable and affordable

A

Oil Paint

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4
Q

Types of paints

Often use polystyrene and polyvinyl acetate as its binding materials, and contains driers such as manganese and cobalt.

A

Emulsion Paint

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5
Q

Types of paints

Neither water nor oil-based but usually available in powder form, mixed using water to achieve paint consistency.

A

Cement Paint

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6
Q

Types of paints

Usually made from tar or dissolved asphalt that
ultimately gives it a common characterized black
color.

A

Bituminous Paint

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7
Q

Types of paints

This type of paint often uses water as the thinner,
and this is very much available in a wide-ranging
set of colors.

A

Plastic Paint

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8
Q

Types of paints

Often characterized by its own chemical
resistance as being implied with its name. Often apply for pipes or any metallic surfaces.

A

Anti-corrosive Paint

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9
Q

Types of paints

Adhesion could be improved through the addition
of castor oil and the surfaces could be cleaned
easily. Cars and airplanes are where cellulose paint is
best applied.

A

Cellulose Paint

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10
Q

Different Painting System

Applied directly onto the cleaned steel surface. Its purpose is to wet the surface and to provide good adhesion for
subsequently applied coats

A

Primer Coat

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11
Q

Different Painting System

Applied to ‘build’ the total film thickness of the system. Generally, the thicker the coating the longer the life. Designed to enhance the overall protection and, when highly pigmented, decrease permeability to oxygen and water

A

Intermediate Coat

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12
Q

Different Painting System

It provides aesthetic appeal to the overall paint
system. Used to protect the paint system.

A

Finish Coat

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13
Q

Different Painting System

additional coats of paint that are applied locally to welds, fasteners and external
corners

A

Stripe Coat

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14
Q

Substance or material used in the
neutralization of acidic water. Used in the neutralization of acid waters.

A

Neutralizer

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15
Q

Type of Neutralizer

Removes acid from walls so that the paint does not peel off. It is normally used on newly plastered concrete or after etching.

A

Masonry/Concrete Neutralizer

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16
Q

Type of Neutralizer

Chemically reacts with rust to create a
neutral surface that does not rust further and
makes it bondable with paint

A

Rust Neutralizer

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17
Q

A water-based paint, made from
acrylic resin. Recommended to
use latex paint when painting larger
areas because it’s usually purchased
in larger quantities

A

Latex Paint

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18
Q

Mixing Ratio for Latex Paint

A
  • 1.6 cups of water
    per 1 gallon of latex paint
  • 3:1 or 4:1
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19
Q

Creates a tough, hardened surface
that’s virtually impervious. Consists of two distinct elements: an epoxy resin and a polyamine hardener

A

Epoxy Paint

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20
Q

Refers to a range of solvents that are
designed to thin paint or remove paint from brushes, rollers, and other painting tool

A

Paint Thinners

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21
Q

special types of paint that contain
reflective materials, such as glass
beads or microprisms.

A

Reflectorized Paints

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22
Q

A primer that acts as a preparatory or protective coating that prevents rust formation on the ferrous metal surfaces exposed to humidity and air.

A

Red Oxide Metal Primer

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23
Q

A blend of high performance resins combined with fluoropolymer lubricants. They are formulated with a superior solid film lubricant that controls abrasion by substantially reducing friction.

A

Fluoropolymer

24
Q

One of the most common industrial coatings.

A

Epoxy

25
Q

A chemical treatment is applied to steel parts that creates a thin adhering layer of iron, zinc, or manganese phosphates, to achieve corrosion resistance, lubrication, or as a foundation for subsequent coatings or painting

A

Phosphate

26
Q

These coatings work by forming a barrier between the steel and its surrounding environment.

A

Inorganic Zinc

27
Q

Common home improvement technique that uses a thin layer of joint compound to smooth out textured walls or repair damaged drywall to its original smooth surface

A

Skimcoat

28
Q

A protective coating that is applied to masonry in order to protect it from external agents and damage. A mixture between a mortar and a binder (hardener) that allows to adhere to the wall

A

Plasters

29
Q

The best bet when it comes to plastering
exterior walls because it is moisture-resistant and will protect the wall against climate changes as well as environmental pollution.

A

Cement Plasters

30
Q

A ready-made plaster and is used after mixing it with water. It is white in color and powder in form

A

Gypsum-Based Plaster

31
Q

Type of Plaster Finishes

A completely smooth and levelled surface is acquired. The mortar prepared for the smooth cast finish is made of cement and fine sand

A

Smooth Cast Finish

32
Q

Also called as spatter dash finish. Mortar used to get rough cast finish consist coarse aggregate along with
cement and sand

A

Rough Cast Finish

33
Q

Type of Finish

Obtained when the plastering is done in two coats. The first coat is provided with zigzag lines. It is because a smooth surface won’t hold a freshly applied coat of mortar.

A

Sand Faced Finish

34
Q

Type Of Finish

The pebbles are lightly pressed into the mortar using a wooden float. This type of Plaster finish normally used for decorative purposes

A

Pebble Dash Finish

35
Q

Type of Finish

Different tools such as steel straight edges or old saw blades are used for scrapping the plastered surface. Scrapped surfaces are usually less liable to cracks

A

Scrapped Finish

36
Q

Type Of Finish

Small pieces of gravel or flint are pressed with a hand on the surface of the plaster.

A

Depeter Finish

37
Q

Type of Finish

Different textures, as well as various ornamental patterns, are created on the surface of plaster.

A

Textured Finish

38
Q

Painting Defects

The elastic tendency of liquids that make them acquire the least surface area possible. This occurs when the forces at the interface of a liquid differ from those within the liquid.

A

Surface Tension

39
Q

Painting Defects

Uneven film thickness, dewetting

CAUSES:
Small cracks formed in the coating. This can occur on
recoat or if coating is applied to solvent sensitive plastics

A

Crawling

40
Q

Painting Defects

Small round depressions in the surface of the coating

CAUSES:
Small particles of a low surface tension
contaminant on the substrate or that embeds in the
coating

A

Craters/Fish eyes

41
Q

Painting Defects

Peeling of paint surface

CAUSES:
Paint containing strong solvents.

A

Peeling

42
Q

Painting Defects

Small cracks formed in the coating.

CAUSES:
This can occur on
recoat or if coating is applied to solvent sensitive plastics.
Application of coatings on plastics where
the paint contains strong solvent

A

Crazing, Cracking

43
Q

Painting Defects

Areas of low gloss or a white haze

CAUSES:
Humidity condenses on the wet paint due to the
cooling effect of solvent evaporation when the
substrate temperature is below the dew point.

A

Loss of gloss, blush

44
Q

Painting Defects

Markings of the brush on paint surface

CAUSES:
Uneven flow of the applied coating.

A

Brush Marks

45
Q

Painting Defects

The formation of fine powder on the surface of the paint
film during weathering, which can cause color fading.

CAUSES:
Extended exposure to moisture and the
harmful radiation of UV rays.

A

Chalking

46
Q

Painting Defects

Paint lifts up and peels away from the substrate due to the
loss of adhesion.

CAUSES:
Application over powdery or chalking
undercoats.

A

Flaking

47
Q

A deposit of mineral salts on surfaces of concrete and masonry walls and/or
floors.

A

Efflorescence

48
Q

CAUSES OF EFFLORESCENCE

A

water containing dissolved salts is brought to the
surface of masonry, the water evaporates and the salts
are left on the surface

49
Q

Effects of Efflorescence

A

Any efflorescence on the surface will provide a
poor, friable base for coatings, preventing
effective adhesion from occurring.

50
Q

How to prevent efflorescence

A

sealing concrete from water penetration using a
penetrating sealer.

51
Q

Type of Brush

These are synthetic brushes made from a blend of nylon and
polyester bristles.

A

POLYESTER/NYLON BRUSHES

52
Q

Type of Brush

Are made from animal hair, usually from hogs, and are best suited for oil-based paints.

A

Natural bristle brushes

53
Q

Type of Brush

These are made from a foam pad and are disposable. They are ideal for applying varnish, shellac, or other clear finishes, as they do not leave brush marks.

A

Foam Brushes

54
Q

Type of Brush

These are designed with a slanted edge, which makes them ideal for cutting in along corners and edges.

A

Angled Brushes

55
Q

Type of Brush

Have a pointed tip and are designed for detail
work and small areas.

A

Round brushes

56
Q

Type of Brush

These are designed with a wide, flat edge and are ideal for
painting large, flat surfaces such as walls or doors. They are
available in both synthetic and natural bristle options

A

Flat Brushes

57
Q

Forcing paint through a small opening or nozzle at high pressure. This creates a fine mist of paint that is sprayed
onto the surface being painted

A

SPRAY GUN / COMPRESSED AIR MACHINES

CE 14 REPORTS (4 decks)

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