FI-40 ; 14-90 carrier in zinc plating ; CAS 120478-49-1
FI-40 carrier in zinc plating/120478-49-1
surfactant and wetting agent for acid zinc plating
Chemical name: Polyethylen/propylenglycol (beta-naphthyl) (3-sulfopropyl) diether, Kaliumsalz
Appearance: brown viscous liquid
Anionic surfactant and carrier
FI-40 is an anionic, low foaming surfactant without a cloud point. As a sulfonate FI-40 is stable against hydrolysis over a wide pH range.
FI-40 is used in acid zinc baths as solubiliser for the brightener and as a carrier.
FI-40 increases the cloud point of the bath and leads to bright deposits in the medium and low current densities. Usually RALUFON® F 11-13 is combined with non ionic surfactants.
The product is used in barrel and rack plating.
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