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Global Coatings Network News:
Global Coatings Network News:The new non-ferrous industry standard YS/T680-2016 "Powder Coatings for Aluminum Construction Profiles" has entered the publicity period recently, which stipulates the requirements, test methods, inspection rules and signs, packaging, transportation, storage, Quality assurance and purchase order (or contract) content.
The standard stipulates that the purchaser should select the appropriate powder according to the purpose and use environment of the powder.
According to the weather resistance of the film, the outdoor powder is divided into three grades: Class I powder, Class II powder and Class III powder.
The standard makes the following provisions for the content of heavy metals in powder coatings
The standard makes the following provisions for powder burning residue, corner coverage, and hiding power:
The standard requires that the powder fluidization index is: the powder flow rate R is 120 ~ 180g, and the powder storage stability should be less than level 2, and the powder density should be 1.
The powder should be uniform in color, dry and loose, without foreign matter or agglomeration.
Other performance requirements such as powder coatings should meet the requirements of GB/T8013.
The natural weather resistance of the powder film is implemented in accordance with the provisions of GB/T9276, and the exposure angle and time should meet the requirements of the following table.
The natural weather resistance test is the weather resistance arbitration test
(Source: Global Coatings Network) (For more information, please log in: Global Coatings Network http:// )
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