1 Painting Inspection Slides
Transcript of 1 Painting Inspection Slides
PAINT FAULTS, BITTINESS INCLUSIONS, EITHER AIRBORN OR FROM THE PAINT ITSELF. COULD BE PARTIALLY CURED PAINT, OUT OF SHELF LIFE.
COATING FAULTS
BLEEDING
THE SOLVENT FROM THE TOP COAT SOFTENS THE UNDER LYING MATERIAL AND ALLOWS IT TO PASS INTO AND THROUGH THE LAYER, CAUSING DISCOLOURATION. BROWN FOR BITUMEN, YELLOW FOR COAL TARS.
COATING FAULTS
BLISTERING
BLISTERS CAN BE FILLED WITH GAS, LIQUID OR CRYSTALS
COATING FAULTS
CHALKING DEGRADATION OF A BINDER DUE TO DISRUPTIVE FACTORS IN THE ENVIRONMENT
COATING FAULTS
CISSING
CAUSED BY INADEQUATE SURFACE PREPARATION. A DIFFERENCE IN SURFACE ENERGY CAUSES LOCAL LACK OF ADHESION.
COATING FAULTS
CRACKING
COATING AGE AND DIFFERENTIAL EXPANSION
COATING FAULTS
CRATERING BOWL SHAPED DEPRESSIONS. CAUSED BY ESCAPING SOLVENT OR GASES. PAINT IS OF TOO LOW A VISCOSITY TO FLOW AND FILL THE DEPRESSIONS
COATING FAULTS CURTAINS, SAGS, RUNS AND TEARS
CAUSED BY OVER APPLICATION. REMOVE OFFENDING EXCESS MATERIAL, LIGHTLY ABRADE, RECOAT.
COATING FAULTS
FLAKING
MATERIAL PROGRESSIVELY GETS BRITTLE WITH AGE, CRACKS AND BEGINS TO DETACH
COATING FAULTS HOLIDAYS
DEFINED AS BEING :A VOID, A MISS, OR AN UNCOATED AREA
COATING FAULTS
LIFTING
CAUSED BY SOLVENT STRENGTH AND ALSO LACK OF OBSERVANCE OF STATED OVERCOATING TIME
ORANGE PEELSIMILAR APPEARANCE TO A CITRUS FRUIT SKIN
CAUSED BY PAINT VISCOSITY PROBLEMS OR BY APPLICATOR TECHNIQUE
COATING FAULTS
ROPINESS
BRUSHMARKS
ALGAE AND MOULD GROWTH
COATING FAULTS WRINKLING AND RIVELLING
QUANTITITIVE TESTS FOR HYGROSCOPIC SALTS MERKOQUANT TEST
BRESLE SAMPLE PATCH
SALTS DETECTION, BRESLE SAMPLE PATCH KIT
COLOURL= LUMINANCE, CHROMA
MUNSELL AND BS 4800YELLOW THROUGH GREEN ,BLUE
a= FROM GREEN TO REDb= FROM BLUE TO YELLOW
PURPLE, RED AND BACK TO YELLOW
HEALTH AND SAFETY DRAGER TUBE AND BELLOWS
RUST GRADES
RUST GRADES
BLASTING GRADES A Sa 2.5 and Sa 3
BLASTING GRADES
B Sa 1 and Sa 2
BLASTING GRADES
B Sa 2.5 and Sa 3
BLASTING GRADES, COMPARISONS
BLASTING GRADES
C Sa 1 and Sa 2
BLASTING GRADES
C Sa 2.5 and Sa 3
BLASTING GRADES
D Sa 1 and Sa 2
BLASTING GRADES
D Sa 2.5 and Sa 3
SURFACE PROFILE ASSESSMENT SURFACE COMPARATOR TO BS 7079 Pt C, ISO 8503 SHOT BLAST COMPARATOR. NOT TO BE USED FOR SURFACE CLEANLINESS. ONLY FOR ASSESSMENT OF SHOT BLASTED SUBSTRATES. GRIT BLAST COMPARATOR CAN ALSO BE USED ON SUBSTRATES BLASTED WITH GRIT/SHOT MIX
DRY ABRASIVE BLASTING MEASURING PRESSURE AT THE NOZZLE HYPODERMIC NEEDLE GAUGE INSERT THE NEEDLE THROUGH THE HOSE WITH THE NEEDLE TOWARDS THE NOZZLE, AT AN ANGLE OF APP. 45 DEGREES
SURFACE PREPARATION HAND AND POWER TOOL CLEANING B St 2 and St 3
SURFACE PREPARATION HAND AND POWER TOOL CLEANING C St 2 and St 3
SURFACE PREPARATION HAND AND POWER TOOL CLEANING D St 2 and St 3
SURFACE PREPARATION
FLAME CLEANING
COPPER SLAG.
CONTAMINATED COPPER SLAG.
GARNET.
METALLIC GRIT
METALLIC SHOT
METALLIC GRIT AND SHOT MIX.
WHIRLING HYGROMETER
DENSITY
THE DENSITY ( SG ) CUP
HEGMAN GRIND GAUGE FOR FINENESS OF GRIND, DEGREE OF DISPERSION
REPLICA TAPE AND DIAL MICROMETER
ROTATIONAL VISCOMETER
KREBS STORMER VISCOMETER
MECHANICAL THUMB TEST, THROUGH DRYING
FLOW VISCOSITY A FORD FLOW CUP
FORD FLOW CUP IN ITS RETORT AND SHOWING THE 4mm DIA HOLE
VISCOSITY. FORD FLOW CUP
WET FILM MEASUREMENT ECCENTRIC WHEEL
WET FILM THICKNESS MEASUREMENT COMB GAUGES
ADHESION TESTS CROSS CUT ( CROSS HATCH ) TEST SPECIAL CUTTER TOOL
DESTRUCTIVE TEST GAUGES. THE SABERG TEST DRILL
DFT MEASUREMENTS ELECTRONIC GAUGES
ELECTROPHYSICMINI TEST THE EXACTO
ELCOMETER456
DRY FILM THICKNESS MEASUREMENT, MAGNETIC.
THE TINSLEY PENCIL
DRY FILM THICKNESS MEASUREMENT, MAGNETIC, HORSESHOE GAUGE
DRY FILM THICKNESS MEASUREMENTS, MAGNETIC THE BANANA GAUGE MODEL 211 SCALE MOVES TO THE CURSER
DRY FILM THICKNESS MEASUREMENT COLOUR CODED CALIBRATION SHIMS PURPLE BLUE BROWN WHITE YELLOW 25um 50um 125um 250um 500um
nominal values
ADHESION TESTS THE HYDRAULIC ADHESION TESTER
ADHESION TESTS
THE DOLLY TEST
DESTRUCTIVE TEST GAUGES
THE P.I.G.
OPACITY, THE PFUND CRYPTOMETER
HIDING POWER CHARTS AND ADJUSTABLE APPLICATOR
FLEXIBILITY TEST
CONICAL MANDREL
WOLFF- WILBORN PENCIL SCRATCH TEST USES THE PENCIL HARDNESS RATING.