Exam 1 Flashcards
__________ papers are specifically designed to prevent the bleed through of strong solvents, paints and primers.
Polycoated papers
What are the two-types of sealers?
Pigmented and Transparent
Is it most important to tint the mid coat for a blendable match?
No, the base coat is the most important
What is the final stage of waterborne basecoat dehydration called?
coalescence
______ masking is designed to prevent a hard paint edge when applying undercoats or when blending paint to a body line, crease or opening where a sharp edge is not wanted.
Reverse masking
Maintaining a ___ ____ means to paint a panel or combination of panels from one side to the other without stopping.
Wet Edge
Waterborne basecoat contains the same basic ingredients as solvent basecoat which are?
1.
2.
3.
Pigment
Resin
Solvent
___ ________ within the spray booth draws out solvent from the refinish materials, which affects flash and dry times.
Air Movement
Can you clean your foam pad with a spur?
no, use a soft bristled brush and use the spur on wool pads
A _______ coat is accomplished by applying the paint material in passes, using back and forth strokes, maintaining a 50% overlap and triggering off at the end to avoid sags and runs.
Single
Whats the paint term used for contour or edge mapping?
Feather edge splitting
_________ is the formation of a light-coloured powdery coating on the surface of a single-stage paint film. This is a normal process that occurs as any paint film weathers and ages.
Chalking
_____ ____ is a term used to describe the dryness of a surface.
Hand slick
________ is a term used to describe a milky and dull effect that is apparent in newly applied acrylic and nitrocellulose lacquers, but rarley apparent on enamels.
Blushing
Whats another paint term for water marking
Water spotting
What is the name of the product used to melt or dissolve the dry spray edges on spot/panel repair blends?
Blending Solvent
Describes soft spots in the topcoat of a paint finish.
Curing/drying failure
Metallic Colors are butt matchable about 80% of the time.
True or False
False, they are very rarely butt matchable.
If you are having troubles with metallics or pearls what might you be able to do?
Mix 1:1 ratio of adhesion promoter with the mid coat
Whats the paint term used for shriveling or swelling
Lifting
Whats the paint term used for hazy
Overspray
Name one factor involved in determining the number of coats needed for hiding.
- Color of primer or sealer
- Spray stickers
- Spray out card
A ________ coat is used to deposit enough paint on panel edges, corners or near the end of body panels.
Banding coat
Describes a condition that causes surface distortion.
Lifting
Polish in small areas, no more than ___ square feet.
2
What type of coat is the most durable and less prone to chipping and cracking?
Thin coat
Whats another paint term used for swelling?
Sandscratches
What is an alternative term for “runs and sags”
signatures
How long are estimates valid for?
30 days
Whats the paint term used for blistering?
Pinholes
Describes paint falling from its own weight, leaving a build up of product in the area
Runs or Sags
When blending a tri-stage use a fanning motion to blend color coats _” to _” into the existing finish.
4-6
_______ describes a condition in which the paint surface takes on a wrinkled or prune-like appearance.
Wrinkling
_______ _____ is a water soluble gel containing super-fine micro-crystals that works in conjunction with scuff pads .
Sanding paste
Blending in one direction is also called _______ and ____
drag and drop
__________ also called discolouration is a term used to describe a change of colour in the topcoat.
bleeding
Describes a poor shine on a finish.
Poor gloss
describes a paint finish that’s surface looks like the dimpled peel of an orange
Orange peel
Describes streaks and mottling that occur in metallic finishes when metal or mica flakes are unevenly distributed during application, causing the flakes to float together and form a spotty or striped appearance.
Mottling
Whats the paint term used for soft film or slow dry?
Curing/drying failure.
Do not spray a three-stage until what?
You spray a let-down panel/spray-out card.
What are the 3 jobs of a spray-out/let down panel?
Check color
Check technician ability
Coverage
Whats the paint term used for spotting or discoloration?
Chemical spotting
_____ flash time can lead to flow-out and wetting problems and possibly loss of adhesion.
Long flash time
How is a medium-wet coat produced?
By moving your spray gun at normal speed
Car manufactures warranties require a minimum of atleast __mL of clearcoat to maintain adequate ultraviolet protection.
2mL
_______ ______ is another paint fault that can occur in over application or using a short flash time.
Solvent popping
What is the most critical angle to judge a candy color by when using a let-down panel?
Side Tone
Whats the paint term used for seediness or grainy?
Kick out
____-___ is the initial period in which most of the solvent in the paint film evaporates or flashes off.
Flash-off
Let sandpaper soak in the pale for __ minutes before using.
20 minutes
Describes solid particles of various sizes embedded evenly throughout the wet paint film.
Kick out
Describes raised or lifted edges in the wet or dry paint film that outlines sandthroughs or feather-edges.
Feather edge splitting
describes small holes in the paint surface
Solvent popping
Whats the name for the blend that requires the color coat to be gradually blended out past the edges of the repair area, and then clear coating the entire panel?
Multi-Stage blend
Most frequently describes small pinholes that are caused by the entrapment of air introduced during the application of filler.
Pinholes
Whats the paint term for boiling or gassing?
Solvent popping
At what temperature and humidity should paint be applied?
21 c or 70 f
below 50%
Of all the variables that must be considered when refinishing, ________ is the most critical.
Temperature
A quick and easy way to establish flash times for a particular product is to observe the ________ ____ sheets.
Manufactures Tech Sheets
Occur when the paint being applied to the surface is unable to wet the surface completely. Craters are formed as the paint is repelled away.
Fish eyes
______ is a water-soluble abrasive paste made from pumice or rotten stone.
Compound
What areas of the vehicle can be used to match the base coat?
Drivers sill plate or the trunk floor
describes a condition in which the paint surface takes on a wrinkled or prune-like appearance.
Wrinkling
_____ ____ is the amount of time required for the solvents, including water, to evaporate sufficiently from an applied film before the surface can be re-coated.
Flash time
Whats the paint term used for streaking or tiger stripes.
Mottling
Whats the paint term used for silicon contamination?
Fish eyes
Whats the paint term used for hazing or die back.
Poor gloss
The paint term _____ is defined as the degree to which paint obscures the surface to which it is applied. (The transparency of the paint)
Hiding
Allowing 20 to 30 minutes flash after the final coat of base will ensure that ____ ____ solvents have evaporated.
Slow tail
Whats the painted term used for delamination or loss of adhesion
Peeling
_______ describes a small area of paint that has been removed.
Chipping
Whats the paint term used for dull shine?
Dry spray
When performing blends which one should you not tack between coats?
Single-Stage Coats or Multi-Stage Coats
Single-Stage Coats
What is the test called when no product is transferred from the test area of the panel to the gloved hand?
Hand Slick
What is it called when you move or flick your wrist sideways to swing the spray gun away from the surface being sprayed?
Fanning
Slow evaporating solvents are also known as ____ ______
Tail Solvents
Whats the most important thing to remember when using a spray-out card?
Use the exact spray gun setup, gun techniques and flash times.
What does this symbol stand for?
μm
Micron
describes a see-through topcoat
Show-through
Describes a rough textures paint surface with a dulled shine.
Dry spray
What is another term for milkiness?
Blushing
What is it called when there is a noticeable difference that can appear around the end or edge of a repair with metallic or pearl mica finishes?
Halos
What is the name of a product that doesn’t need a reducer and only uses a catalyst?
Reactive Reducer AKA LE8700 (Axalta)
describes the top surface coming off the substrate.
Peeling
What type of scratch pad should be used on lighter colors (silvers ect)?
gold
What the paint term used for dust contamination?
Dirt nibs
What is an alternative term for “kick-out”?
Speckled
Whats the paint term for poor flow or texture
Orange peel
The three general types of pads used in the polishing process are?
wool
synthetic
foam
Before clear coating a tri-stage, check for _____ ____ and _______ of the pearl or mica.
Colour match
Mottling
describes repair paint solvent soaking into sandscratches in the underlying paint and causing them to swell.
Sandscratches
Whats the paint term for poor-hiding?
Show-through
When performing a single-stage repair and you have sanded the repair area with 600-800g. What grit should be used when back-sanding?
1200 grit
Describes particles embedded on a painted surface.
Dirt nibs
When doing a complete re spray where do most painters start?
Roof
What is the name used for a viscosity cup?
Zahn Cup
When polishing overlap each stroke by __%
50%
What are the two categories compounds and glazed are divided into?
Machine
Hand
Can you use blending adhesion promoter on plastics aswell?
No, because the adhesion promoter sometimes called wet bed is used for base coat blends. It creates a nice bed for the metallics to lay down on and reduce the static electricity.
When spraying a tri-coat use proper flash time between base coats and allow __ - __ minutes of flash time before applying clear coats.
20-30
In blending, which technique is more of a gun-handling problem?
Arcing
Whats the paint term used for nicks or stone pecks?
Chipping
What are the 3 different categories that fall under multi-stage finishes?
Base Coat/Clear Coat
Tri-Coat
Quad-Coat
_____ flash time between coats can cause runs and sags.
Short Flash time
_______ is the second most critical variable in refinishing.
Humidity
How do you measure the shine/sheen of a vehicle?
DOI- Distinct object imagery
What is it called when you spray color over the repair area rather than the entire panel?
Spot in
Whats the paint term used for curtains or signatures
Runs or Sags
What is the main purpose of masking?
Overspray
Whats the paint term used for checking or crowsfeet?
Cracking
Whats the paint term for crinkling or shriveling?
Wrinkling
What is one characteristic of a good detailer?
Patience
What happens when you polish the finish too soon?
dull back
What type of scratch pad should be used on darker colors (black ect)?
Grey
Will using the slowest base makers/reducers help avoid dry spray?
Yes
Whats the other name of a fog coat, dust coat, drop coat or tack coat?
Mist coat
describes small rings on the paint surface
Water spotting
Usually __” to __” is needed for a successful two-panel blend repair.
12” to 16”
Why might a company suggest using a mid-coat adhesion promoter in the sprayable base?
To make the base more transparent for blending.
Sealers are applied in a ___-on-___ fasion.
wet-on-wet
What is the solvent used in waterborne basecoat?
Water
Whats the paint term used for oxidation?
Chalking
A _____-_____ pattern, also called a cross hatch pattern, is a paint application method often used with high solid and-or metallic paints.
Cross-coat
Clear coats are clear.
True or False
False, different clear coats are different hues of yellow (UV)
Describes a preliminary stage in the breakdown of a paint film.
Cracking
Solvent ingredients:
______ Solvent-Ability to dissolve
______ Solvent-Speed of evaporation
______ Solvent-Provides bulk, film forming qualities
Active Solvent
Latent Solvent
Diluent Solvent
Describe what wet-on-wet application means.
Means that the next product is applied when flashed and no sanding is needed, keep in mind to stay within the open time mentioned in the tech sheet.
describes spray paint that misses the area being painted and falls upon the surrounding surface.
Overspray
______ _______ is a term that describes irregular-shaped pitting, etching or discoloration on the paint film in small areas.
Chemical spotting
Most plastic sheeting will accept temperatures involved in bake cycles up to ____ f for up to __ minutes
225 f (107 c) 30 minutes
