ISTECH Chemicals - Products for Surface Treatment

ISTECH - Stainless Steel Pickling Chemicals

Specifically designed for chemical surface treatment by Pickling and Passivation of Stainless Steel materials and to remove heat tints in the Heat Affected Zone (HAZ) and weld zone after welding in a fast and economical way.  These Pickling Chemicals are especially made to remove corrosion / rust and inner surface pollution such as discolourations, embedded iron and other metallic contamination.

• ISTECH SILVESTA (L) - Pickling Liquid
  For Pickling of Stainless Steel Surfaces by (re)circulation with Pickling Liquid of big large:
  
  • Stainless Steel Cargo Tanks
  • Stainless Steel Heating Coils
  • Stainless Steel Cargo Piping Systems
  • Stainless Steel Vent Piping 
  • Stainless Steel Scrubbers
  • Stainless Steel Water Tanks
  • Stainless Steel Food Process Tanks 
  • Stainless Steel Brewery Tanks
  • Stainless Steel Equipment
  • Stainless Steel Installations
    
    
• ISTECH SILVESTA (G) - Pickling (Spray) Gel
  For Pickling of Stainless Steel Surfaces (interior and / or exterior) by spraying with Pickling (Spray) Gel of small and medium size:
  
  • Stainless Steel Cargo Tanks
  • Stainless Steel Heating Coils
  • Stainless Steel Cargo Piping Systems  
  • Stainless Steel Water Tanks
  • Stainless Steel Food Process Tanks 
  • Stainless Steel Brewery Tanks
  • Stainless Steel Foam Tanks 
  • Stainless Steel Equipment
  • Stainless Steel Installations
  • Stainless Steel Fish Process Lines and Equipment
  • Stainless Steel Objects and Materials 
    
    
• ISTECH SILVESTA (P) - Pickling Paste 
  For localized Pickling of Stainless Steel by using Pickling Paste for Surface Treatment, Cleaning and Removal of:
  
  • Corrosion 
  • Rust
  • Inner Surface Pollution 
  • Embedded iron
  • Metallic contamination
  • Discolourations 
  • Heat Tints caused in the Heat Affected Zone (HAZ) and Weld Zone caused by Welding

ISTECH  Stainless Steel  Passivation Chemicals

Passivation products based on nitric acid, to passivate stainless steel surfaces after mechanical treatment grinding / polishing and / or after pickling if fast passivation is required. This removes foreign iron (ferrous contamination) contamination and forms a new (strong) closed oxide skin.

• ISTECH LAYER 100 (F) passivation liquid
• ISTECH LAYER 100 (C) passivation gel 

ISTECH Stainless Steel Surface Cleaner /  Metal Brightener

Removes stains and superficial contamination and freshens / brightens the surface.

• ISTECH STARMEX 10     Stainless steel Surface Cleaner Liquid
• ISTECH STARMEX 10+  Stainless steel Surface Cleaner Gel 

ISTECH Stainless Steel Surface Cleaner / Degreaser

Alkaline heavy-duty multi purpose cleaner / degreaser, a low-foaming cleaning agent that effectively removes difficult contaminants from stainless steel, steel and other metal surfaces. It's  hihgly recommended to use this cleaning product prior to pickling and passivation.

• ISTECH HYPRESS HYGIENIC  Multi Purpose Alkaline Cleaner / Degreaser