PAINT FAULTS, BITTINESS PAINT FAULTS, BITTINESS INCLUSIONS, EITHER INCLUSIONS, EITHER AIRBORN OR FROM AIRBORN OR FROM THE PAINT ITSELF. THE PAINT ITSELF. COULD BE PARTIALLY COULD BE PARTIALLY CURED PAINT, OUT CURED PAINT, OUT OF SHELF LIFE. OF SHELF LIFE.
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PAINT FAULTS, BITTINESSPAINT FAULTS, BITTINESS
INCLUSIONS, EITHER INCLUSIONS, EITHER AIRBORN OR FROM AIRBORN OR FROM THE PAINT ITSELF. THE PAINT ITSELF. COULD BE PARTIALLY COULD BE PARTIALLY CURED PAINT, OUT CURED PAINT, OUT OF SHELF LIFE.OF SHELF LIFE.
COATING FAULTS BLEEDINGCOATING FAULTS BLEEDING
THE SOLVENT FROM THE SOLVENT FROM THE TOP COAT THE TOP COAT SOFTENS THE UNDER SOFTENS THE UNDER LYING MATERIAL LYING MATERIAL AND ALLOWS IT TO AND ALLOWS IT TO PASS INTO AND PASS INTO AND THROUGH THE THROUGH THE LAYER, CAUSING LAYER, CAUSING DISCOLOURATION. DISCOLOURATION. BROWN FOR BROWN FOR BITUMEN, YELLOW BITUMEN, YELLOW FOR COAL TARS.FOR COAL TARS.
BLISTERS CAN BE FILLED WITH GAS, BLISTERS CAN BE FILLED WITH GAS, LIQUID OR CRYSTALSLIQUID OR CRYSTALS
COATING FAULTS CHALKINGCOATING FAULTS CHALKING
DEGRADATION OF A DEGRADATION OF A BINDER DUE TO BINDER DUE TO DISRUPTIVE FACTORS DISRUPTIVE FACTORS IN THE ENVIRONMENTIN THE ENVIRONMENT
COATING FAULTS CISSINGCOATING FAULTS CISSING
CAUSED BY CAUSED BY INADEQUATE INADEQUATE SURFACE SURFACE PREPARATION.PREPARATION.
A DIFFERENCE IN A DIFFERENCE IN SURFACE ENERGY SURFACE ENERGY CAUSES LOCAL LACK OF CAUSES LOCAL LACK OF ADHESION.ADHESION.
COATING FAULTS CRACKINGCOATING FAULTS CRACKING
COATING AGE AND COATING AGE AND DIFFERENTIAL DIFFERENTIAL EXPANSIONEXPANSION
COATING FAULTS CRATERINGCOATING FAULTS CRATERING
BOWL SHAPED BOWL SHAPED DEPRESSIONS. CAUSED DEPRESSIONS. CAUSED BY ESCAPING SOLVENT BY ESCAPING SOLVENT OR GASES. PAINT IS OF OR GASES. PAINT IS OF TOO LOW A VISCOSITY TOO LOW A VISCOSITY TO FLOW AND FILL THE TO FLOW AND FILL THE DEPRESSIONSDEPRESSIONS
COATING FAULTS CURTAINS, SAGS, RUNS AND TEARSCOATING FAULTS CURTAINS, SAGS, RUNS AND TEARS
CAUSED BY OVER CAUSED BY OVER APPLICATION. REMOVE APPLICATION. REMOVE OFFENDING EXCESS OFFENDING EXCESS MATERIAL, LIGHTLY MATERIAL, LIGHTLY ABRADE, RECOAT.ABRADE, RECOAT.
COATING FAULTS FLAKINGCOATING FAULTS FLAKING
MATERIAL MATERIAL PROGRESSIVELY PROGRESSIVELY GETS BRITTLE WITH GETS BRITTLE WITH AGE, CRACKS AND AGE, CRACKS AND BEGINS TO DETACHBEGINS TO DETACH
COATING FAULTS HOLIDAYSCOATING FAULTS HOLIDAYS
DEFINED AS BEING :DEFINED AS BEING :--A VOID, A MISS, OR A VOID, A MISS, OR AN UNCOATED AREAAN UNCOATED AREA
COATING FAULTS LIFTINGCOATING FAULTS LIFTING
CAUSED BY SOLVENT STRENGTH AND ALSO LACK OF CAUSED BY SOLVENT STRENGTH AND ALSO LACK OF OBSERVANCE OF STATED OVERCOATING TIMEOBSERVANCE OF STATED OVERCOATING TIME
ORANGE PEELORANGE PEEL
SIMILAR SIMILAR APPEARANCE TO A APPEARANCE TO A
CITRUS FRUIT SKINCITRUS FRUIT SKIN
CAUSED BY PAINT CAUSED BY PAINT VISCOSITY PROBLEMS VISCOSITY PROBLEMS
OR BY APPLICATOR OR BY APPLICATOR TECHNIQUETECHNIQUE
COATING FAULTS ROPINESSCOATING FAULTS ROPINESS
BRUSHMARKSBRUSHMARKS
ALGAE AND MOULD GROWTHALGAE AND MOULD GROWTH
COATING FAULTS WRINKLING AND COATING FAULTS WRINKLING AND RIVELLINGRIVELLING
COLOUR MUNSELL AND BS 4800COLOUR MUNSELL AND BS 4800L= LUMINANCE, CHROMAL= LUMINANCE, CHROMA
a= FROM GREEN TO REDa= FROM GREEN TO RED
b= FROM BLUE TO YELLOWb= FROM BLUE TO YELLOW
YELLOW THROUGH GREEN ,BLUEYELLOW THROUGH GREEN ,BLUE
PURPLE, RED AND BACK TO YELLOWPURPLE, RED AND BACK TO YELLOW
HEALTH AND SAFETY DRAGER TUBE AND BELLOWSHEALTH AND SAFETY DRAGER TUBE AND BELLOWS
DRAGER TUBE AND BELLOWSDRAGER TUBE AND BELLOWS
TO TEST THE AIR QUALITY WHEN USING SOLVENTSTO TEST THE AIR QUALITY WHEN USING SOLVENTS
VARYING CRYSTAL TYPES FOR DIFFERENT SOLVENTSVARYING CRYSTAL TYPES FOR DIFFERENT SOLVENTS
EXAMPLE : XYLENE EXAMPLE : XYLENE ((OEL: 100 ppmOEL: 100 ppm))RAQ: 500 RAQ: 500 CC CC (5 DEPRESSIONS) (5 DEPRESSIONS) CRYSTALS WILL CHANGE COLOUR, CRYSTALS WILL CHANGE COLOUR, (WHITE TO RED/BROWN)(WHITE TO RED/BROWN)TOXICITY LEVELS READ FROM THE SCALE ON THE TUBETOXICITY LEVELS READ FROM THE SCALE ON THE TUBE
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
WHIRLING HYGROMETERWHIRLING HYGROMETER
PAINT TESTINGPAINT TESTING
DENSITYDENSITY THE DENSITY ( SG ) CUPTHE DENSITY ( SG ) CUP