Ranking
1 2 3 4
5 6 7 8
9 10 Developer Form Nonaqueous Wet Solvent
, Plastic Film water-soluble Water Suspendible
, water-soluble Water Suspendible
Dry Dry Dry Dry Method of Application
Spray Spray Spray Spray
Immersion Immersion Dust Cloud (Electrostatic)
Fluidized. Bed
Dust Cloud (Air Agitation)
Immersion (Dip)
.The following TABLE lists the main advantages and disadvantages of the various developer types.
Developer Advantages Disadvantages Dry. Indications tend to remain brighter and more distinct over time
Easily to apply Does not form contrast background so cannot. Be used with visible systems
Difficult to assure entire part surface has been coated
Soluble Ease of coating entire part
.White coating for good contrast can be produced which work well for both visible and fluorescent systems Coating is translucent. And provides poor contrast (not recommended for visual systems)
Indications for water washable systems are dim and blurred
Suspendible. Ease of coating entire part
Indications are bright and sharp
.White coating for good contrast can be produced which work well for both visible and fluorescent systems Indications weaken. And become diffused after time
Nonaqueous Very portable
Easy to apply to readily accessible surfaces
White coating for. Good contrast can be produced which work well for both visible and fluorescent systems
Indications show-up rapidly and. Are well defined
.Provides highest sensitivity Difficult to apply evenly to all surfaces
More difficult to clean part after inspection
Process. Control of Temperature
.
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