Aluminum Coil for Roofing, Ceiling,gutter,decoration
COLOR COATED ALUMINUM COIL
Kael Jian
SPECIFACATINS OF COLOR COATED ALUMINUM COILS
Alloy |
1050, 1060, 1100 ,3003, 3005, 5052, 8011, etc |
Temper |
H16,H18,H24,H26,H28 |
Thickness |
From 0.022mm to 0.75mm |
Width |
Standard Width:1240mm |
Special width:1300mm, 1520mm,1570mm, 1595mm |
|
Diameter |
standard diameter: 1200mm |
interior diameter: 150mm, 405mm, 505mm |
|
Weight |
2.5T/coil, 3.0T/coil or as your request |
Coating |
PE, PVDF,ACYLLIC |
Surface |
Embossed, Mill finished, Color coated |
Color |
As to RAL color chart or custom's request |
Gloss |
10%-90%(EN ISO-2813:1994) |
Coating thickness |
PE:more than 18 micron |
PVDF:more than 25 micron |
|
|
Coating hardness (pencil resistance) |
more than 2H |
Coating adhesion |
5J (EN SO-2409:1994) |
Impact resistance |
No peeling or cracking (50kg/cm, ASTMD-2794:1993) |
Flexbility(T-bend) |
2T |
MEK resistance |
more than 100 |
Package |
wooden pallet with export standard |
1.Appearance Quality
Defects |
Technical Requirement |
Dent |
Disallowed |
Moulage |
Disallowed |
Lack if coating |
Disallowed |
Wave |
Disallowed |
Bubble |
Disallowed |
Spot |
Maximum size≤ 3mm Not more than 3p/m^2 |
Scuffing |
Disallowed |
Scratch |
Disallowed |
Color difference to master and last batch |
Visually there is no major shade difference, and Color meter test resultE≤1,a≤0.5 Solid color E≤0.6 |
2.Permissible Deviation
Item |
Allowances |
|
Width(mm) |
0-2 |
|
Gauge(mm) |
-0.02 to 0.02 |
|
Single coil weight(T) |
≤3T |
|
Coating thickness(um) |
Two coat |
≥5+20 |
Three coat |
≥5+20+8 |
|
The coating thickness allowance is±2um |
3.PVDF paint properties requirement
Item |
Technical Requirement |
|
Surface appearance |
Meet above appearance quality level |
|
|
Surface Pencil Hardness Gloss difference of coating Coating Flexibility/T bend |
≥HB |
|
≤10 |
||
For PVDF≤2T & HDPE,PE, UDP≤3T |
||
Coating adhesive |
Cross method |
0 |
Circle drawing method |
1 |
|
|
Impact resistance(kg/cm) Coating attrition resistance (L/um) |
≥50 |
|
≥5 |
||
Coating hydrochloric resistance |
Unchanged |
|
Coating oil resistance |
Unchanged |
|
Coating alkali resistance |
No abnormal phenomena like bubble, heave and chalking, color changeE≤2 |
|
Coating MEK resistance |
>100 |
|
Coating contamination resistance % |
≤5 |
|
Artificial weathering resistance |
Color change |
≤4.0 |
Gloss loss degree |
Not worse than 2 |
|
Other aging resistance/Level |
0 |
|
Salt spray resistance/Level |
Not lower than 1 |
|
|
20 year durability warranty items ASTM-2244 color change ASTM-659 chalking level |
Not lower than 1 |
|
Coating nitric acid resistance |
No abnormal phenomena like bubble, heave and chalking, color changeE≤5 |
Attenion
Pakage: eye to sky or eye to wall
Payment terms: 30% T/T as deposit, and 70% balance before shipment; L/C st sight is avalible
Sample is free for your check and test, production sample will be sent to you for your double check before shipment
MOQ: small order and trial order is welcome
Send Inquiry to This Supplier
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