prepainted steel for electric appliance characteristics beautiful surface without orange peel high...
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Prepainted steel for
ELECTRIC APPLIANCE
Characteristics
• Beautiful surface without orange peel
• High gloss
• Economical
Additional coating facilities and manpower
are unnecessary
• Environment friendly
Prepainted steel for
ELECTRIC APPLIANCE
Application
• Refrigerators : doors, cabinets, back panels
• Washing machines : outer cases
• Air-conditioners : outer cases
• Microwave ovens : outer cases
Prepainted steel for
ELECTRIC APPLIANCE
Prepainted steel for
ELECTRIC APPLIANCE
Size Availability
Scope of Manufacturing Field
Painting(25±3)
Thickness
0.35 1.2mm∼
Primer Coating
8±1
Prepainted steel for
ELECTRIC APPLIANCE
Size Tolerance
Scope of Manufacturing Field
Flatness
Width & Length
±0.5mm
Wave Height
max 3mm
Prepainted steel for
ELECTRIC APPLIANCE
Out-of Square
Scope of Manufacturing Field
- Shall not exceed 1%(AW × 100)
Prepainted steel for
ELECTRIC APPLIANCE
Cross-sectional Structure
Finish coated layer
Primer coated layer
Finish coated layer
Pre-treatment layer
Zinc coated layer
Base metal(cold rolled steel)
Zinc coated layer
Pre-treatment layer
Prepainted steel for
ELECTRIC APPLIANCE
Base Metal Specification
Base MetalRecommendable
Coating Weight
Cold rolled steel
Hot-dip galvanized steel(GI) 120 220g/m∼ 2
Hot-dip galvannealed steel(GA) 80 100g/m∼ 2
Prepainted steel for
ELECTRIC APPLIANCE
Characteristics
Refrigerator
Cross cut : under 3mm peel off after taping
Edge creep : under 3mm35 , 5% Nacl 240hr℃Salt spray test
20 : 3T no crack℃0 : 5T no crack℃
JIS G3312, 180˚ bendingFlexibility
90% and over(according to customer’s
request)JIS K5400 7.6, 60˚ glossGloss
FJIS K5400 8.4
(Mitsubishi uni pencil)Pencil hardness
50 , RH 98% and over, 240hr℃
Testing Method
Adhesion : 100/100No remarkable gloss variance
Spec.
Humidity
Test Item
- Base metal : cold rolled steel, galvanized steel
- Physical properties of paint film
※ If pencil hardness increases to H, flexibility shall be down to 5T no crack.
Prepainted steel for
ELECTRIC APPLIANCE
Characteristics
Air-Conditioner
No blisterAdhesion : 100/100
100 , 1hr℃Boiling test
Cross cut : under 3mm peel off after taping
Edge creep: under 3mm35 , 5% Nacl 500hr℃Salt spray test
FJIS K5400 8.4
(Mitsubishi uni pencil)Pencil hardness
Bending 20 : OT no crack℃0 : 4T no crack℃
JIS G3312, 180˚ bendingFlexibility
Sunshine-weather-o-meter 500hr
Testing Method
Gloss retention : 60% and over△E : 4units under
Spec.
Weatherability
Test Item
- Base metal : Galvanized Steel
- Physical properties of paint film
Prepainted steel for
ELECTRIC APPLIANCE
Characteristics
Washing Machine
No blisterAdhesion : 100/100
0.4%, 20 ×240hr℃Cleanser
resistance
Cross cut : under 3mm peel off after taping
Edge creep: under 3mm35 , 5% Nacl 240hr℃Salt spray test
FJIS K5400 8.4
(Mitsubishi uni pencil)Pencil hardness
20 : 1T no crack℃0 : 4T no crack℃
JIS G3312, 180˚ bendingFlexibility
Testing Method Spec.Test Item
- Base metal : Galvanized Steel, Galvannealed steel
- Physical properties of paint film
Prepainted steel for
ELECTRIC APPLIANCE
Check Points of Ordering
Color decision
Customer’s sample
Make a matchingColor sample(70×150㎜ )
Send the sample to customer
Customer approval
Color decision L, a, b Color Solid
Prepainted steel for
ELECTRIC APPLIANCE
Base Metal Decision
Check Points of Ordering
Minimum Lot of Each Order
Base metal will be designed according to JIS, ASTM
And EN specification or mechanical properties of
customer’s sample.
• Regular width(914mm or 1,219mm)- 10 metric tons per color
- 20 metric tons per same width
• Sketch width(except 914mm or 1,219mm)- 10 metric tons per color
- 40 metric tons per same width
Prepainted steel for
ELECTRIC APPLIANCE
Packing(steel Lunch box Packing)
Prepainted steel for
ELECTRIC APPLIANCE
Packing(steel lunch box packing)
Corner
Width
Angle
2EA(0.35 0.6)×(100 150)×(100 150)mm∼ ∼ ∼
2EA(0.35 0.6T)×(100 150/200 400)×(length)∼ ∼ ∼
2EA(0.35 0.6T)×height mm×length mm∼Side protectorE
4EA(0.82 1.2T)×40×40mm∼
ComerProtector
D
1SheetCRAFT 80g/m2+wove paperWater-drainage sheetC
1SheetCRAFT 80g/m2+PEFILM(60㎛ )Wrapping sheetB
2
Quality
(0.35 0.6T)×(width)×(length)mm∼
Specification
SheetTop coverA
Name UnitItem
Prepainted steel for
ELECTRIC APPLIANCE
Packing(steel lunch box packing)
3EA61H×76W×length mmWoodL
3 4∼EA61H×76W×width mmRunner(wood)K
3 4∼EA60W×9H×width mmStiffener(wood)J
4Sheet100×160mm, 70×160mmLabel &Shipping markI
6 7∼EA6T×90×90mmSeal padH
6 7∼EA1.0T×35W×60L(Zn Coating)FastnerG
6 7∼EA1.0T×32mm(width 3band,
length 3 4 band)∼BandF
QualityUnitSpecificationNameItem