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8/14/2019 Bgas Practical Pictures
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Copyright © 2003, TWI Ltd World Centre for Materials Joining Technology
Identification: Copper Slag ABRASSIVE
IT IS A
EXPENDABLE ABRASSIVE.
USE ONLY ONETIME.
It is a NONMETALLIC ABRASSIVE
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Copyright © 2003, TWI Ltd World Centre for Materials Joining Technology
B.G.A.S. PAINTING INSPECTION
Identification: Contaminated Copper Slag Abrasive
MUST NOT BE RE- USED.
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Copyright © 2003, TWI Ltd World Centre for Materials Joining Technology
Identification: Garnet Abrasive
This abrasive is
expendable or re- usebale afterrecycling.
MUST BE CLEANED
BEFORE RE-USE
It is a mineralabrasive
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Copyright © 2003, TWI Ltd World Centre for Materials Joining Technology
Identification: Metallic Grit
This abrasive isexpendable or re-
usable afterrecycling.
MUST BE CLEANEDBEFORE RE-USE
It is a metallicabrasive
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Copyright © 2003, TWI Ltd World Centre for Materials Joining Technology
Identification: Shot Abrassive
This abrasive isused in enclosedsystem such as
wheelabrator/Automaticblasting.
Can be reused
after cleaning.
It is A metallic Abrasive.
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Copyright © 2003, TWI Ltd World Centre for Materials Joining Technology
Identification: Grit & Shot Mixed Abrasive (80%Shot+20% Grit)
This mixture ofabrasive is used inenclosed blasting
system like automaticblasting machine.
Grit cuts the profile,shot controls the
peaks.
This is metallic
abrasive.
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Identification: Walnut Shell Abrasive
This abrasive is notused for steel.
This abrasive isagricultural type.
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Identification: Screens for Abrasive sieve analysis
BS 410 Standard is followed for testing
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Identification: SURFACE PROFILE NEEDLE GAUGE
SET THE GAUGE AT ZERO
BY APPLYING PRESSUREON THE FOOT ON A FLATSMOOTH GLASS PLATE.
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Identification: Dial Micrometer & Replica Tape
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Identification: DIAL MICROMETER AND REPLICA TAPE
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Identification: SURFACE PROFILE ASSESSMENT OMPARATOR
Standard followed for the Test is BS 7079 Pt C
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RUST GRADES
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BLASTING GRADES A Sa 2.5 and Sa 3
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BLASTING GRADES B Sa 1 and Sa 2
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BLASTING GRADES C Sa 2.5 and Sa 3
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BLASTING GRADES D Sa 1 and Sa 2
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BLASTING GRADES D Sa 2.5 and Sa 3
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B.G.A.S. PAINT INSPECTION
Identification: Hypodermic Needle Gauge
MEASURING PRESSURE AT THE NOZZLE
INSERT THE NEEDLETHROUGH THE HOSEWITH THE NEEDLE
TOWARDS THE NOZZLE, AT AN ANGLE OFapproximately 45DEGREES
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Identification: pH indicator Paper, it is used for SURFACE PREPARATION, CHEMICAL CLEANING
pH INDICATORPAPERS, USED TOMEASURE ACIDITY
OR ALKALINITY OFTHE SUBSTRATE AFTER FINAL WASH.FOR B Gas THEFIGURE SHOULD BEBETWEEN 4.5 and 7
B.G.A.S. PAINTING INSPECTION
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B.G.A.S. PAINTING INSPECTION
Below Tests are Quantitative test used for testinghygroscopic saltsIdentification: MERKOQUANT TEST Identification: Bressel Sample Patch
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Identification: SALTS DETECTION, BRESLE SAMPLE PATCH KIT
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Copyright © 2003, TWI Ltd World Centre for Materials Joining Technology
B.G.A.S. PAINTING INSPECTION
PAINT TESTINGIdentification: Density or Specific Gravity (SG) Cup with 100cc size
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Copyright © 2003, TWI Ltd World Centre for Materials Joining Technology
B.G.A.S. PAINTING INSPECTION
PAINT TESTINGIdentification: Hegman Grind Gauge
This Gauge is used for FINENESS OF GRIND, DEGREE OF DISPERSION
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Identification: Rotational Viscometer with
rotothinner.
This equipment measure Dynamic Viscosity.
Its unit is in Poises
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Copyright © 2003, TWI Ltd World Centre for Materials Joining Technology
Identification: Ford Flow Cup Number 4 this equipment is used to measure flow viscisity.
4 means it has 4mm dia hole .
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B.G.A.S. PAINTING INSPECTION
Identification: Ford Flow Cup
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Copyright © 2003, TWI Ltd World Centre for Materials Joining Technology
Identification: Eccentric Wheel
This equipment is used to measure WFT (Wet Film Thickness)
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Copyright © 2003, TWI Ltd World Centre for Materials Joining Technology
B.G.A.S. PAINTING INSPECTION
Identification: Comb Gauge
It is used to measure WFT
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Copyright © 2003, TWI Ltd World Centre for Materials Joining Technology
All Below Equipments are Used to measure DFT and isCalled Digital/ELECTRONIC DFT GAUGES
Also Called Non-Destructive Gauge
Identification: ELECTROPHYSIC MINI TEST Identification: The Exacto Identification: ELCOMETER 456
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Copyright © 2003, TWI Ltd World Centre for Materials Joining Technology
Identification: The Tinsley Pencil
This equipment is used to measure DFT and it has magnet
THE TINSLEY PENCIL
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Copyright © 2003, TWI Ltd World Centre for Materials Joining Technology
B.G.A.S. PAINTING INSPECTION
Identification: Horse Shoe Gauge
This equipment is used to measure DFT, it has a magnet
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Copyright © 2003, TWI Ltd World Centre for Materials Joining Technology
B.G.A.S. PAINTING INSPECTION
Identification: Banana Gauge
This equipment is used to measure DFT has a magnet, Model 211
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Copyright © 2003, TWI Ltd World Centre for Materials Joining Technology
B.G.A.S. PAINTING INSPECTION
Identification Plastic Shim for DFT measurement
PURPLE 25um
BLUE 50um
BROWN 125um
WHITE 250um
YELLOW 500um
nominal values
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B.G.A.S. PAINTING INSPECTION
Identification: Conical Mandrel
This equipment is used for Flexibility Test
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Copyright © 2003, TWI Ltd World Centre for Materials Joining Technology
B.G.A.S. PAINTING INSPECTION
Identification: Bollotini Test for Drying & Curing
TRAVERSE
GRADUATED IN HOURS OF TRAVERSE
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Copyright © 2003, TWI Ltd World Centre for Materials Joining Technology
B.G.A.S. PAINTING INSPECTION
Identification: BK DRYING TIME RECORDERS
Used for DRYING AND CURING TESTS.
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Copyright © 2003, TWI Ltd World Centre for Materials Joining Technology
B.G.A.S. PAINTING INSPECTIONIdentification: MECHANICAL THUMB TEST, THROUGH DRYING
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Copyright © 2003, TWI Ltd World Centre for Materials Joining Technology
B.G.A.S. PAINTING INSPECTION
Identification: WOLFF- WILBORN PENCIL SCRATCH TEST
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B.G.A.S. PAINTING INSPECTION
Identification: THE PFUND CRYPTOMETER for Opacity Test
G S G S C O
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B.G.A.S. PAINTING INSPECTION
Identification: Hiding Power Chart
B G A S PAINTING INSPECTION
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B.G.A.S. PAINTING INSPECTION
DEGREE OF GLOSS
MEASURED WITH A GLOSSMETER, ( REFLECTOMETER )
GLOSS CAN BE AFFECTED BY
1. PIGMENT VOLUME CONCENTRATION
2. FINENESS OF GRIND PARTICLE SIZE
3. RESIN TYPE
4. REFRACTIVE INDEX
5. SOLVENT TYPE
B G A S PAINTING INSPECTION
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B.G.A.S. PAINTING INSPECTION
PAINT TESTING . ADHESIONIn adhesion Test There are three failure is recorded as
follows:
1. PRIMER TO SUBSTRATE FAILURE
2. INTERCOAT ADHESION FAILURE
3. COHESIVE FAILURE
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B G A S PAINTING INSPECTION
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B.G.A.S. PAINTING INSPECTION
Identification: CROSS CUT ( CROSS HATCH) TEST for Adhesion
Cut 6 lines vertical and
6 horizontal, 25 x 2mm
squares. Apply tape, pull off and compare for
% area of detachment .
Standard BS 3900 Pt E6is followed to do thetest.
B G A S PAINTING INSPECTION
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B.G.A.S. PAINTING INSPECTION
Identification: Special Cutter tools for CROSS CUT ( CROSS HATCH ) Adhesion Test
B G A S PAINTING INSPECTION
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B.G.A.S. PAINTING INSPECTION
Identification: THE DOLLY TEST for adhesion
B G A S PAINTING INSPECTION
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B.G.A.S. PAINTING INSPECTION
Identification: THE HYDRAULIC ADHESION TESTER
B G A S PAINTING INSPECTION
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B.G.A.S. PAINTING INSPECTION
Identification: WHIRLING HYGROMETER
B G A S PAINTING INSPECTION
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B.G.A.S. PAINTING INSPECTION
WHIRLING OR ASPIRATED HYGROMETER
PRE-USE CHECKLIST
IS THERE A WICK
IS THE WICK CLEAN
IS THE WICK WET, MUST BE DISTILLED WATER
IS THE WICK FASTENED AROUND THE BULB NECK
IS THE MERCURY IN A CONTINUAL , UNBROKENSTREAM, IF NOT , RECTIFY BY PULLING BACK WITH A MAGNET
B G A S PAINTING INSPECTION
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B.G.A.S. PAINTING INSPECTION
Identification: DEW POINT CALCULATOR for weather condition
B G A S PAINTING INSPECTION
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B.G.A.S. PAINTING INSPECTION
Below Gauges are for steel temperature measurement
Identification: Magnetic Lympet Gauge Identification: Thermocouple
B G A S PAINTING INSPECTION
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B.G.A.S. PAINTING INSPECTION
Identification: CATHODIC DISBONDMENT TEST
B G A S PAINTING INSPECTION
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B.G.A.S. PAINTING INSPECTION
Identification: High Voltage Holiday Detector
Used for holiday or pinhole detection, operates up to 5Kv
B G A S PAINTING INSPECTION
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B.G.A.S. PAINTING INSPECTIONIdentification: Wet Sponge Holiday Detector
This equipment is used for holiday or pinhole detection
VOLTAGE RANGE 3TO 90v.INTERMEDIATE
67.5v.
Sponge is wetted inwater with a drop ofdetergent, excess
squeezed out, then passed methodicallyover the substrate
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B G A S PAINTING INSPECTION
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B.G.A.S. PAINTING INSPECTION
PAINT FAULTS Name: BLEEDING
B G A S PAINTING INSPECTION
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B.G.A.S. PAINTING INSPECTION
PAINT FAULTS Name: BLISTERING
B G A S PAINTING INSPECTION
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B.G.A.S. PAINTING INSPECTION
PAINT FAULTS Name: CHALKING
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B G A S PAINTING INSPECTION
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B.G.A.S. PAINTING INSPECTION
PAINT FAULTS Name: CRACKING
B G A S PAINTING INSPECTION
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B.G.A.S. PAINTING INSPECTION
PAINT FAULTS Name: CRATERING
BOWL SHAPEDDEPRESSIONS. CAUSED
BY ESCAPING SOLVENTOR GASES. PAINT IS OFTOO LOW A VISCOSITYTO FLOW AND FILL THEDEPRESSIONS
B G A S PAINTING INSPECTION
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B.G.A.S. PAINTING INSPECTION
PAINT FAULTS Name: CURTAINS, SAGS, RUNS AND TEARS
B G A S PAINTING INSPECTION
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B.G.A.S. PAINTING INSPECTION
PAINT FAULTS Name: FLAKING
B G A S PAINTING INSPECTION
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B.G.A.S. PAINTING INSPECTION
PAINT FAULTS Name: HOLIDAYS
B G A S PAINTING INSPECTION
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B.G.A.S. PAINTING INSPECTION
PAINT FAULTS Name: LIFTING
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B G A S PAINTING INSPECTION
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B.G.A.S. PAINTING INSPECTIONPAINT FAULTS Name: WRINKLING AND RIVELLING
B G A S PAINTING INSPECTION
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B.G.A.S. PAINTING INSPECTION
HEALTH AND SAFETY, COSHH REGULATIONS
ABBREVIATIONS
EH 40, GUIDANCE NOTES, HEALTH AND SAFETY EXECUTIVE
MEL , MAXIMUM EXPOSURE LIMIT
OEL, OCCUPATIONAL EXPOSURE LIMIT
OES, OCCUPATIONAL EXPOSURE STANDARD
LEL, LOWER EXPLOSIVE LIMIT
UEL,UPPER EXPLOSIVE LIMIT
RAQ, REQUIRED AIR QUANTITY
B G A S PAINTING INSPECTION