ASTM D1730-09(2020)

Standard Practices for Preparation of Aluminum and Aluminum-Alloy Surfaces for Painting



NORMA vydaná dňa 1.5.2020


Jazyk
Prevedenie
DostupnosťSKLADOM
Cena56.10 bez DPH
56.10

Informácie o norme:

Označenie normy: ASTM D1730-09(2020)
Dátum vydania normy: 1.5.2020
Kód tovaru: NS-993857
Počet strán: 3
Približná hmotnosť: 9 g (0.02 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM

Kategórie - podobné normy:

Technologie nátěrů

Anotácia textu normy ASTM D1730-09(2020) :

These practices cover the different procedures employed in performing four types of treatments for the preparation of aluminum and aluminum alloy surfaces for painting. These processes are broadly classified into the following treatment types: solvent cleaning (Type A); chemical treatments (Type B); anodic treatments (Type C); and mechanical treatments (Type D). Service conditions shall dictate the type of surface preparation that should be employed, although the quality produced by any individual method may still vary with the type of alloy involved. Solvent cleaning does not disturb the natural oxide film on the metal and is applicable in ambient indoor or very mild service conditions. This treatment type may be performed by three methods, as follows: manual swabbing or dip washing; solvent spray cleaning; or vapor degreasing. Chemical treatments may be employed by the following eight methods: alkaline cleaners; sulfuric acid, chromium trioxide etch; alcoholic phosphoric acid cleaner; crystalline phosphate treatment; amorphous phosphate treatment; carbonate chromate treatment; amorphous chromate treatment; or 8) acid-bound resinous treatment. Anodic treatments will provide a protective inert oxide coating which increases corrosion resistance and promotes paint adhesion. This is recommended where maximum corrosion resistance by the treatment itself is desired, but should not be used on assemblies of dissimilar metals. This treatment type may be executed by two methods, namely: sulfuric acid anodic, or chromium trioxide anodic treatment. Mechanical treatments may be implemented by these two methods: hand or power wire brushing or other abrasive treatment; or sandblasting.

Keywords:

aluminum, pretreatment for painting, surface treatment,, ICS Number Code 87.020 (Paint coating processes)

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