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

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

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

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