Wide range of surface treatment

Services

The range of services within the BWB Group is very comprehensive. Using our diagram, you can get an overview of which procedure and which process is carried out where.

Whatever you are after, ask your BWB customer advisor – we always have a solution for the right surface treatment, close at hand for you.

Sites
AR
BR
BX
DR
LC
NE
NW
RS
SC
ST

Mechanical Pre-treatments

Grinding (E1) / Brushing (E2) / Grinding-Brushing (E4)        
Polishing (E3) / Grinding-Polishing (E5) (small pieces only)          
Blasting decorative            
Blasting strain hardening                
Blasting detergent                
Vibratory grinding                  
Legende:
AR = Altenrhein / BR = Braşov (RO) / BX = Büren a. A. / DR = Dresden (D) / LC = La Chaux-de-Fonds / NE = Neer (NL) / NW = Niederwangen / RS = Rudolfstetten / SC = Schlieren / ST = Stans

Chemical Pre-treatments

Alkaline degreasing (E0)  
Etching / Matt etching (E6)  
Etching of cast parts                  
Chemical polishing (E7)          
Electrochemical polishing              
Legende:
AR = Altenrhein / BR = Braşov (RO) / BX = Büren a. A. / DR = Dresden (D) / LC = La Chaux-de-Fonds / NE = Neer (NL) / NW = Niederwangen / RS = Rudolfstetten / SC = Schlieren / ST = Stans

Electrolytic surface conversions

Anodising / Electrolytic oxidation      
Anodising to "British Standard" quality              
Anodising to "SSG Structural Glazing" quality                
Hard anodising / hard electrolytic oxidation            
Chromic acid anodising                
Tartaric acid anodising (TSA)                
Ematal anodising                  
Hard ematal anodising                  
Anodising Bilatal                  
Adsorptive coloration          
Electrolytical coloration (Colinal / C0 + C35)            
Spectrocolor coloration (Spectrocolor)                
Integral coloration (Permalux)                  
Electrolytic polishing              
Legende:
AR = Altenrhein / BR = Braşov (RO) / BX = Büren a. A. / DR = Dresden (D) / LC = La Chaux-de-Fonds / NE = Neer (NL) / NW = Niederwangen / RS = Rudolfstetten / SC = Schlieren / ST = Stans

Chemical surface conversions

Chromating            
RoHS-compliant chromating            
Acid passivation              
Phosphating                  
Black pickling of magnesium                  
Legende:
AR = Altenrhein / BR = Braşov (RO) / BX = Büren a. A. / DR = Dresden (D) / LC = La Chaux-de-Fonds / NE = Neer (NL) / NW = Niederwangen / RS = Rudolfstetten / SC = Schlieren / ST = Stans

Electrolytic and chemical metal precipitation

Chrome plating (satin, bright)                  
Copper plating                
Nickel plating                
Pure nickel (sulfamate)                  
Chemical nickel plating                
Chemical gold plating                  
Tin plating                
Zinc plating and passivating (Cri-IV process)                
Zinc plating and passivating (process conformance to RoHS), blue                  
Cadmium plating                
Silver plating                
Thick film plating (Ni, Cu, Ag)                  
Lithographic forming                  
Galvanoplastic forming                  
Legende:
AR = Altenrhein / BR = Braşov (RO) / BX = Büren a. A. / DR = Dresden (D) / LC = La Chaux-de-Fonds / NE = Neer (NL) / NW = Niederwangen / RS = Rudolfstetten / SC = Schlieren / ST = Stans

Non-destructive testing

Crack detection (AITM 6-1001) AITM 6-1001                  
Legende:
AR = Altenrhein / BR = Braşov (RO) / BX = Büren a. A. / DR = Dresden (D) / LC = La Chaux-de-Fonds / NE = Neer (NL) / NW = Niederwangen / RS = Rudolfstetten / SC = Schlieren / ST = Stans

Surface post-treatments

Varnishing              
Teflon impregnation              
Heat treatments in vacuum conditions                  
Heat treatments in airtight conditionsft                  
Anti-noise coatings                
Foiling                
Legende:
AR = Altenrhein / BR = Braşov (RO) / BX = Büren a. A. / DR = Dresden (D) / LC = La Chaux-de-Fonds / NE = Neer (NL) / NW = Niederwangen / RS = Rudolfstetten / SC = Schlieren / ST = Stans

Services

CNC machining of aluminium                  
CNC milling of aluminium profiles                  
3D measurement                  
Bonding, assembly                  
Supplementary work in upstream or downstream process
Transport  
Part masking  
Manufacturing of products out of stainless steel ropes                  
Brazing                  
Welding                  
Legende:
AR = Altenrhein / BR = Braşov (RO) / BX = Büren a. A. / DR = Dresden (D) / LC = La Chaux-de-Fonds / NE = Neer (NL) / NW = Niederwangen / RS = Rudolfstetten / SC = Schlieren / ST = Stans

Environmental protection

Chemical-physical waste water and waste treatment CPA                  
Legende:
AR = Altenrhein / BR = Braşov (RO) / BX = Büren a. A. / DR = Dresden (D) / LC = La Chaux-de-Fonds / NE = Neer (NL) / NW = Niederwangen / RS = Rudolfstetten / SC = Schlieren / ST = Stans

Quality standards

NADCAP AC 7108 (Chemical Processing)              
NADCAP AC 7117 (Surface Enhancement)                  
EN 9100            
ISO 9001      
ISO 14001        
ISO 50001                  
QUALANOD (quality seal)              
Legende:
AR = Altenrhein / BR = Braşov (RO) / BX = Büren a. A. / DR = Dresden (D) / LC = La Chaux-de-Fonds / NE = Neer (NL) / NW = Niederwangen / RS = Rudolfstetten / SC = Schlieren / ST = Stans