pictorial- paint defects

7/31/2019 Pictorial- Paint Defects.

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Paint dam age, paint de fec tsand environm ental effec ts.

Spies He cke r simp ly closer.


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Iden tifying and rem ed yingpaint de fects and

environm ental effects.

Despite careful preparation, advanced application methods and

the use of high-grade paint systems, flaws in a vehicle refinish

can never be entirely excluded. However, a quality paintshop todaycannot afford to produce flawed paintwork.

Eliminating a defect is often troublesome and time-consuming.

What are the causes? What mistakes have been made?

How can such mistakes be avoided in future?


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Paint defects

10 Poor opacity.

12 Dirt inclusions.

14 Orange peel / poor flow.

16 Holograms.

18 Color separation on sealant.

20 Runs.

22 Clouding or mottling in metallic finishes.

24 Solvent popping.

26 Edge mapping.

28 Polyester bleeding.

30 Water spotting.

32 Sanding marks.

34 Moisture blistering.

36 Lifting / wrinkling.

38 Pinholes.

40 Matting.

42 Salt and pepper effect.

44 Dirt and dust in the base coat.

46 Dirt and dust in the clear coat.

48 Poor adhesion.

50 Adhesion problems between base coat and

clear coat.

52 Halo effect in blending areas.

Contents.


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10

Poor opacity.

Definition

Uneven coloration.

Substrate visible through top coat.


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12

Dirt inclusions.

Definition

Particles projecting through the top coat.


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14

Orange p eel / p oo r flow .

Definition

Surface texture resembling orange peel.


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16

Holograms.

Definition

3D effect on dark paint surfaces on which a paint defect

has been remedied.

Mostly elliptical or circular clouding;

greyish iridescence like that of an oil film.


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18

Co lo r sep aration o n sealant.

Definition

Sealant visible through top coat.


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20

Runs.

Definition

Paint runs on vertical body parts.


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22

Cloud ing o r m o ttling inm eta llic finishes.

Definition

Uneven color / effect.


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24

So lvent popp ing .

Definition

Small bubbles in the top coat, some of them burst.


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26

Edg e m app ing.

DefinitionEdges showing through in the top coat.


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28

Polyeste r b leed ing .

DefinitionDiscolored patches in metallic finishes.


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30

Wate r spo tt ing.

DefinitionMarks and raised edges of water droplets on fresh finishes.


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32

Sand ing m arks.

DefinitionSanding marks with swollen edges.


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34

M oisture b liste ring .

DefinitionSmall raised pimples appearing in the paint film.


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38

Pinholes.

DefinitionSmall, pinhole-like depressions.


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40

Matt ing.

DefinitionLoss of top coat gloss.


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42

Salt and pep per effec t.

DefinitionBlack and white stippling / impurities in the base coat.


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Dirt and d ust in the b ase c oat.

DefinitionDirt particles projecting from the base coat.


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46

Dirt and dust in the c lear c oat.

DefinitionDirt particles projecting from the clear coat.


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48

Poor adhesion.

DefinitionLoss of putty adhesion on bare metal

(steel, zinc or aluminum).


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50

Adhesion prob lem s betw eenbase c oat and c lear coat .

DefinitionPoor adhesion between base coat and clear coat.

Clear coat peels off.


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52

Halo effect in b lend ing areas .

DefinitionVisible edge when blending in from the base coat.


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56

Bird droppings.

DefinitionThe damage can range from paint discoloration to the film

dissolving completely.

Bubbling, swelling and etching are typical phenomena.


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58

Ac id rain.

DefinitionDroplet-like spots with sunken edges or edge zones.


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60

Stone chipping.

DefinitionDot-like, angular or crater-like damage to the paint.

Tiny impact holes in the paint surface.


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Tree sap .

DefinitionThread or droplet-like deposits then can etch deep

into the paintwork.


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Bug m arks.

DefinitionEtching of the top coat.

Damage can range from loss of gloss to the complete

dissolving of the top coat down to the surfacer.


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Tar.

DefinitionDark or yellow dot-like marks surrounded by a halo

of discoloration.


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Industrial fallout.

DefinitionParticles of rust locally visible on the top coat.


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Sp lashes o f lim e o r cem ent.

DefinitionMatted surfaces with bright, whitish marks.

Etched areas on the paint surface.


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Corrosion.

DefinitionMechanical damage with rust beneath the paint film.

C h h


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74

Car w ash scratches.

DefinitionUniform and almost parallel scuff and scratch marks of

varying depth.

Dull paint surfaces.

C l f d / h


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76

Color fade / c hange.

DefinitionWhite, light-colored, pale surfaces, mostly horizontal.

Staining with discolored spots.


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Plast ic film m arks


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80

Plast ic film m arks .

DefinitionPlastic film contact marks are clearly visible.

Remains of film adhesive.

Transport dam age


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82

Transport dam age .

DefinitionScratch marks of varying depth.


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pictorial- paint defects

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