14 Years Factory Aluminum Gutter Coil Wholesale to Durban

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 Description 

Product Name Aluminum Gutter Coil/Gutter Aluminum Coil
Alloy A1100,A3003,A1050,A8011,A3105,A5005   etc
Thickness 0.022mm to 3.0 mm
Width Standard width:1240mm; 1200mm
All width: 30mm – 1600mm
Diameter out dia:1200mm
Interior dia: 405mm,505mm
Weight 2.5 T/coil,3.0 T/coil
Coating PE,PVDF,ACRYLIC
Surface Embossed, mill finish, coated; aluminum gutter coil
Color AS to all RAL color
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  ISO-2409:1994)
Impact   Resistance No peeling or cracking(50 kg/cm,ASTMD-2794:1993)
MEK   resistance More than 100

 

 

 

 

 

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    Galvanic Corrosion is an accelerated form of corrosion that occurs when two dissimilar metals are in an electrical contact. The more noble metal drives the corrosion of the active metal and this can be a very fast process. For example if an aluminum frame is connected with steel bolts then aluminum rapidly corrodes and after a few months the whole construction may collapse. So how to prevent galvanic corrosion? First, one should connect only those materials that have a similar electrochemical activity. Second, dielectric corrosion resistant coatings should be applied on the metal parts so that the electrochemical processes cannot take place.

    This free educational video about galvanic corrosion was done in collaboration with the Institute of Physics, University of Tartu.

    Corrosion consultation and materials characterization:

    http://captaincorrosion.com/

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    Music used in the video: http://www.bensound.com/royalty-free-music

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