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Quality StandardsMulti-Color Silk Screen Printing AJU MCM. Co., Ltd.

Physical Properties for Home Appliances
Item Quality Standards Test Method
Color ΔΕ = 0.8 and less Color management not available(labeling method improved)
Sheen(60°) 90% or more Sheen standards tailored to clients
Coating Thickness 20㎛ or more Average of five measurements using LE300
C.C.E.T 100/100 (Space 1mm, width length 11 lines)*6mm Erichsen
Solvent Resistance 50 times or more MEK 1kg RUBBING
Pencil Hardness White:F, Wine:HB Test angle 45°, 500g load, three times good out of five
Impact Resistance No crack Pendulum 1/2, 500g load, 50cm height
Fouling Resistance No stain Some products unsuitable for oil-based stains
UV Resistance ΔΕ = 1.5 or less 15W 20cm, after 24hr, measure color
Heat Resistance ΔΕ = 1.0 or less 170℃ oven, after 1hr, measure color
Boiling water sealing NO Blister 100℃ boiling water, after 1hr, examine appearance
Chemical Resistance NO Blister 5% CH3COOH* 24hr, examine appearance
5% NaOH*24hr, examine appearance
Consider exclusion of NaOH standards
Protection Film Adhesiveness 40~60g Peel, width 25mm, speed 300mm/min
Appearance
-Control Standards
Classification Defect Size Distance Between Defects & No. of Defects Note
Speck, Flaw 0.5mm Distance 200mm, 3 or less No defects on surface
Dent, Nick None - -
Others
Standards for Control of Substances with Environmental Impacts
Substance
Class 1		 Maximum Concentration Value by Customers and Major Companies(ppm=㎎/㎏) Country
AJU MCM Winia Mando Samsung LG EU, CHINA, KOREA
Cd 5 20 5 10 100
Pb 100 200 100 100 1000
Hg 200 200 800 500 1000
Cr+6 200 200 800 500 1000
PBBs 200 200 800 500 1000
PBDEs 200 200 800 500 1000