pre-treatment additive for aluminium oxidation

LW-16 Brightening and Cleaning Additive, as a kind of low temperature brightener, is a kind of colorless to yellowish transparent acid liquid with powerful degreasing surface active agent, emulsifier and functional agent. This product can efficiently remove grease and natural oxidation film on aluminum profiles surface and results no harm to aluminum profiles. LW-16 Brightening and Cleaning Additive is used for pre-treatment of aluminum profiles anodization. LW-16 Brightening and Cleaning Additive has advantages of low cost, little aluminum consumption, brightening and energy-saving comparing to alkaline etching treatment

LW-34 Fluoride-free Brightening Additive is a kind of colorless or light yellow green transparent acid liquid with strong degreasing factor and contains the brightening agent, penetrating agent, emulsifier and other functional agents, can quickly and effectively remove aluminum surface grease, stains and natural oxidation film to make the aluminum bright as new. LW-34 is of fluoride-free and environmental friendly, comparing to the traditional fluoride brightener and traditional alkaline etching processing, it has the advantages of low cost, little aluminum consumption, energy- saving and environmental protection etc..