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SurTec 620 Product Info |
Cyanide-free, high-alkaline brown/blackening salt for the make-up of hot blackening solutions for the production of jet-black layers. IMDS No.: 1453055244. |
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SurTec 621 Product Info |
Liquid cold blackening, works at room temperature, uniform black coating on steel and iron parts, good corrosion protection in combination with protective oil. |
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SurTec 622 Product Info |
Brown to black patina on copper or brass; the colour is adjustable from light brown over bronze to jet black. |
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SurTec 320 Product Info |
Complete tin colouring for electrolytic dyeing of anodised aluminium, colour shades light bronze to black can be achieved, reduces the oxidation of tin(II) to tin(IV) induced by oxygen, improves the throwing power in electrolytic colouring solutions; simplified bath control by the combination of tin-II-sulphate and stabiliser in one solution. |
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SurTec 629 Product Info |
Adsorptive immersion colouring for anodised aluminium. Depending on the exposure time, light to powerful gold tones are achieved. In combination with SurTec 320 light to dark bronze colour shades (F1 - F4) are achieved. |