MINERAL ACID PICKLING FOR IRON AND STEEL

Acid Cleaners: Compounded Products containing Detergents and Inhibitors

SurTec 423 Product Info, MSDS	Low foaming, inhibited acid cleaner for highly critical parts with respect to hydrogen embrittlement. Suitable for hydrochloric acid and mixed acid picklings. For continuous lines, the non foaming product SurTec 423 R can be used.
SurTec 423 R Product Info, MSDS	Liquid, highly concentrated, foam free inhibitor for hydrochloric acid picklings, reduces the accumulation of iron into the pickling and into the following processes.
SurTec 424 Product Info, MSDS	Liquid, inhibited pickling additive for highly critical steel parts. Protects effectively against hydrogen embrittlement. A test about hydrogen embrittlement, which also can be used as quality control, is done very easily with the SurTec Testkit. Further information about hydrogen embrittlement are given in SurTec Technical Letter 8.
SurTec 425 Product Info, MSDS	Detergent pickling inhibitor, above all for hydrochloric acid at ambient temperature. Easy-to-rinse inhibitors ensuring succesfull subsequent plating.
SurTec 427 Product Info, MSDS	Liquid inhibited pickling additive for highly critical steel parts, acid-resistant, highly concentrated, easily rinsed off, suited for combination with hydrochloric acid and mixed acids. Removes rust, scale and pigments, special detergents and inhibitors mixed for minimum hydrogen embrittlement (see also SurTec Technical Letter 8).

Modular System: Detergents, Inhibitors and Boosters for Special Pickling

SurTec 418 Product Info, MSDS	Powdery inhibitant additive for acid and alkaline cleaning systems, suitable for nonferrous metals, zinc and iron, easy to dissolve, suitable for eletrolytical cleaning.
SurTec 426 Product Info, MSDS	Liquid, emulsifying detergent booster for mineral acid pickling and electrolytical cleaning; compatible with SurTec 421.
SurTec 421 Product Info, MSDS	Concentrated, water soluble inhibitor for hydrochloric and mixed acid picklings; detergent-free and non foaming, applicable alone or in combination with SurTec 426.
SurTec 422 Product Info, MSDS	Concentrated, acid soluble inhibitor for sulfuric and phosphoric acid picklings. Inhibits blackening of the uncoated side in strip plating.
SurTec 428 Product Info, MSDS	Granular accelerator for pigment removal and for stripping of zinc alloys. Can be combined with acidic or alkaline systems for descaling and decarburising.

Compounded Products for Decalcifying and Derusting

SurTec 431 Product Info, MSDS	Acidic electrolytical pickle, specially developed for the de-scaling of stainless steels before electropolishing. The fluoride free composition of the acids has been matched to the electrolyte system SurTec 459. As a result, the electropolishing process can take place immediately without intermediate rinsing. There is no danger of embrittlement due to the optimum anodic operation conditions of the pickle.
SurTec 432 Product Info, MSDS, MSDS A	Multi-purpose acidic pickling product with reliable and lasting cleaning properties, based on nitric acid and hydrogen fluoride. Able to pickle all stainless steal alloys with a proper result.
SurTec 433 Product Info, MSDS, MSDS A, MSDS N	Acidic, nitric acid free stainless steel pickle, which removes alle tarnish and scale layers from stainless steel surfaces in a single step. It can be used up to an iron content of 120 g/l and is characterised by very long service lives.
SurTec 469 Product Info, MSDS	Liquid, inhibited, phosphoric acid containing, non foaming derusting agent for immersion and spray applications.
SurTec 471 Product Info, MSDS	Liquid, inhibited, phosphoric acid derusting agent for immersion and manual processes on steel. Contains surfactants. Uniform derusting. Perfectly suited also for aluminium and its alloys.
SurTec 472 Product Info, MSDS	Liquid acid cleaner concentrate, free of surfactants, especially suitable to remove oxidic impurities from aluminium and non-ferrous metals.
SurTec 473 Product Info, MSDS	Liquid acid cleaner, contains phosphoric acid, for stainless and aluminium surfaces; for outer surfaces of vehicles in use on tracks or streets.
SurTec 474 Product Info, MSDS	Liquid, phosphoric and sulfuric acid cleaner, contains surfactants, inhibited on iron and steel. Applied for removing corrosion residues.
SurTec 478 Product Info, MSDS A, MSDS B	Double-component, acidic pickle degreaser, especially developed for activation and cleaning of surfaces before yellow- or transparent chromating and Cr(VI)-free passivation of aluminium. SurTec 478 controls the material removal, while SurTec 478 B regulates the degreasing impact. Spray- and immersion cleaning are possible.
SurTec 479 Product Info, MSDS	Liquid pickling and derusting agent based on hydrochloric acid, removes scales, smut and rust, contains inhibitors to prevent attack on the base material iron.
SurTec 481 Product Info, MSDS	Powdery salt for acid dip, effective activating of even difficult metal surfaces before eletroplating, cyanide- and chrome(VI)-free.
SurTec 493 Product Info, MSDS	Nitric acid containing desmutting and deoxidiser for the treatment of highly-alloyed aluminium alloys. Intensified with nitric acid, SurTec 493 can be used instead of an alkaline pickle for the treatment of difficult alloys.
SurTec 495 Product Info, MSDS	Powdery, highly concentrated desmutting for aluminium, removes even hard pickle remainders and oxides, Especially suitable for high alloy and copper containing aluminiium.
SurTec 498 Product Info, MSDS	Desmutting additive, which is an alternative, if used with sulphuric acid (or condemned anodising bath) to the common nitric acid deoxidiser or nitric acid-fluoride-decalcifyer. By pretreating of Cu- and Si-containing alloys, the product characterises by its activating impact wihtout any attack on the base material.
SurTec 499 Product Info, MSDS	Deoxidizer or in combination with SurTec 499 B acidic pickle degreaser, specially developed for activation and cleaning of surfaces before green chromating and can be used by immersion or spray process.

ALKALINE DERUSTING AND DESCALING

SurTec 415 Product Info, MSDS	Liquid emulsifying detergent booster, very good lowering of the surface tension, well dissolving of pigments, also suitable for ultrasonic applications, also in high alkaline medium good soluble. Can be used together with SurTec 194, SurTec 138 or even only with sodium hydroxide for cleaning, descaling, dephosphating and delaquering (depending on the type of laquer) of steel and iron, can be used as detergent booster together with a builder for all materials.
SurTec 418 Product Info, MSDS	Powdery inhibitant additive for acid and alkaline cleaning system, suitable for nonferrous metals, zinc and iron, suitable for electrolytical cleaning, easy to dissolve.
SurTec 419 Product Info, MSDS	Liquid additive for alkaline electrolytical cleaning and descaling baths, free of hard complexing agents as EDTA, NTA, soluble even in high alkalinity. As a weak complexing agent, it improves the cleaning result of alkaline immersion cleaners, excellent results in electrolytical and descaling cleaning together with SurTec 194, or even with only sodium hydroxide, suited for dephosphating.

ALUMINIUM PICKLING AND BRIGHTENING

Acid and Alkaline Products for Spray and Immersion Processes

SurTec 181 Product Info, MSDS	Liquid, highly alkaline aluminium pickling for spray and immersion processes. By a special formulation, calcification of the line is prevented safely.
SurTec 400 Product Info, MSDS	Foam producer for alkaline etching baths, decreases aggressive aerosoles. For uniform wetting of the surface and better drip off.
SurTec 400 A Product Info, MSDS	As a special enviromentally friendly, foam preventing additive for E6 pickles, high bath loads (bath load/bath volume) are possible without the bath foaming over. For use in combination with SurTec 401 A and SurTec 402.
SurTec 400 C Product Info, MSDS	Chelating agent for masking of aluminium(III)-ions in alkaline solutions. Suitable for service life extension of E0 pickling baths or for replenishment of overloaded E6 pickling baths. In E0 pickles, aluminium concentrations up to 50 g/l can be stabilised with caustic soda, without the building of aluminate stone.
SurTec 400 S Product Info, MSDS	Foam blanket building additive for decreasing the building of aerosole. Especially recommendable in pickle baths for make-up with excessively strong hydrogen evolution or for pickling processes without or with insufficient exhausting system.
SurTec 401 Product Info, MSDS	Additive for E6 etching with long service life, hinders the precipitation of heavy metals, not harmful for the waste water, gives a beautiful and uniform finish.
SurTec 402 Product Info, MSDS	The use of the E6-complete-pickling-agent always ensures the right ratios between caustic soda and additive. Hereby, constant aluminium content and consistent pickling conditions always ensure a uniform finish. SurTec 402 produces a brilliant-calendered surface finish. It is perfectly suited for the levelling and compensation of pressing marks (dye lines).
SurTec 402 A Product Info, MSDS	Longtime E6-Pickling agent, to use in combination with sodium hydroxide as an alternative for SurTec 402.
SurTec 403 Product Info, MSDS	Nitrite containing E6-longlife pickling agent, formulated to produce a matt satin surface finish even with low aluminium concentration (80 g/l).
SurTec 404 Product Info, MSDS	Longlife E6-pickling agent, produces a brilliant satin surface finish on aluminium alloys. It is perfectly suited for the levelling and compensation of pressing marks (dye lines) and shows excellent draining-off properties. Even high throughput generates only low foam formation.
SurTec 405 Product Info, MSDS	Powdery, highly alkaline aluminium pickling, especially for matting of thin-walled compacts such as cans and tubes.
SurTec 460 N Product Info, MSDS	Inhibitor to prevent "bath corrosion" especially on grinded profiles that can occur in the following rinsing stages after polishing when the concentration levels are not adjusted.
SurTec 462 Product Info, MSDS	Chemical brightening process for aluminium and its alloys. Free of nitric acid and heavy metals. Depending on the aluminium alloy, it produces high degrees of brightness. The best results of brilliancy are achieved on mechanical pre-polished bright alloys.
SurTec 463 Product Info, MSDS	Electrolytical polishing process for aluminium and ist alloys. Free of nitric acid and heavy metals. Contains surface active organic additives to prevent a chemical attack after the polishing process. Best degrees of brightness and reflection are achieved with pre-polishing.
SurTec 470 Product Info, MSDS	Liquid, phosphoric acid based aluminium pickling for high pressure and immersion processes. Cleans and pickles without interfering superficial residues.
SurTec 476 Product Info, MSDS	Reinforced phosphoric acid based aluminium pickling. Free of tensides, pickles without foam. If necessary, combinable with SurTec 086 or SurTec 089.
SurTec 482 Product Info, MSDS	Powdery, highly alkaline etching degreaser for aluminium, free of silicates and surfactants, contains no nitrite or nitride.
SurTec 483 Product Info, MSDS	Acidic, fluorid containing, matt pickling, mainly used in immersion processes where it produces a bright matt finish. If a levelling and compensation of pressing marks (dye lines) is required mechanical polishing or electropolishing is necessary.
SurTec 485 Product Info, MSDS	Alkaline clearing bath for removal of phosphate layers on aluminium and its alloys which occur during the electrolytic polishing process. Does not attack the basic material after the removal of the polishing film, so a maximum degree of brightness is achieved.
SurTec 494 Product Info, MSDS	Liquid, chromium-free clarification for aluminium and its alloys; detergent free and non-foaming, for immersion and spray installations.
SurTec 495 Product Info, MSDS	Powdery, highly concentrated desmutting for aluminium, suitable for copper and silicon containing alloys.
SurTec 495 L Product Info, MSDS	Liquid, highly concentrated desmutting for aluminium, even removes heavy etching residues and oxides. Also suitable for high-alloyed and copper containing aluminium. The surface is active and perfectly prepared for subsequent passivation, e.g. with SurTec 650 chromitAL. In comparison with SurTec 495, SurTec 495 L is significantly easier and more safe to dose: - SurTec 495 L does not lead to dust exposure when added - stirring into the solution is faster - no separate addition of sulphuric acid required, SurTec 495 L already contains the needed value of sulphuric acid in the concentrate.
SurTec 496 Product Info, MSDS	Liquid desmutting for aluminium, contains inhibitors that improve the desmutting of aluminium alloys, the additive decreases the formation of NOx-gases.
SurTec 981 Product Info, MSDS	Liquid additive for ball burnishing, high effective mixture of surfactants and organic acids, suitable for aluminum and brass.

PLATING ON PLASTICS

SurTec 835 Product Info, MSDS	Electroless nickel process, proofed, highly stable alkaline nickel process without current flow, works even at lower temperatures and has a wide temperature window. Fast deposition of homogenous and well conducting nickel layers, especially developed for pretreated plastics and other non-conductives.
SurTec 960 Product Info, MSDS	Wetting agent for ABS pickling, resistant to chromic acid, liquid to viscous additive. Produces a foam evenly distributed on top of the bath surface to prevent chromic acid aerosols, fast wetting effect on the parts which leads to an uniform pickling attack, reduces the surface tension, even at low concentrations and reduces the consumption of chromic acid.
SurTec 965 Product Info, MSDS	Liquid reduction additive for the reduction of Cr(VI) after the chromic acid pickling (SurTec 960) followed by double rinse, can be used separately or together with hydrochloric acid or sulfuric acid.
SurTec 966 Product Info, MSDS	Activator with Palladium/Tin colloid for germing the pretreated surface of ABS parts, low process costs, excellent stability, high efficiency: with 1 liter, 1200 m2 surface can be treated.
SurTec 969 Product Info, MSDS	Post-activator for the palladium activation, contains an acidic fluoride containing salt, accelerates the deposition of the following electroless nickel and protects this bath from drag-in of Sn/Pd catalysator.