Contract coater for functional and decorative plastic coatings in powder and wet paint technology.
LIOSAPLAST AG
Neudorfstrasse 62, 9430 St. Margrethen, SwitzerlandNew on Amplifa
About Liosaplast
Founded in 1970, LIOSAPLAST AG is an owner-managed Swiss family company based in St. Margrethen and operates as a contract coater for functional and decorative plastic coatings. Its range of services covers powder coatings (electrostatic, fluidized bed, Minicoat) as well as wet paint coatings (conventional, electrostatic, high-rotation bell), complemented by pad printing, assembly work, final packaging and customs documents as an extended workbench. Part sizes range from a few millimetres up to 6 metres, and lot sizes from single parts to large series of over 100,000 pieces. The computer-controlled system with a Power-and-Free conveyor system handles customer parts up to 3.2 m × 2.0 m × 0.8 m and 300 kg; two separate pretreatment lines for aluminium and steel, each with eight tanks, ensure reproducibility and traceability. Customers come from industries such as rail, chemicals, pharmaceuticals, food, electroplating, electrical, mechanical and plant engineering; the company is qualified, among others, for Deutsche Bahn according to DBS 918 340 and is ISO 9001:2015 certified.
- Site
- St. Margrethen
- Processes
- Electrostatic powder coating (ES), Fluidized bed coating (dip coating), Minicoat process (MC), Conventional wet paint coating, Electrostatic wet paint coating (with pressure tank operated by hand), Wet paint coating with high-rotation bell, Pretreatment (degreasing, pickling, passivation), Pad printing (single- or multi-color)
- Materials
- ECTFE/Halar, Epoxy, ETFE, FEP, Ceramic (sol-gel), PE (polyethylene), PEP (powder coating for interior use), PES (powder coating for exterior use)
- Certificates
- ISO 9001:2015, QIB company approval, DBS 918 340 coater qualification powder coating aluminium, EnAW participation (Energy Agency for Industry), ISO 9001:2015 (SQS/IQNet), DBS 918 340 (Deutsche Bahn), EnAW participation
- Founded
- 1970
- Industries
- Rail, Electroplating, Chemicals, Pharmaceuticals, Food industry, Watchmaking
- 01
Order clarification and consulting
- 02
Delivery of substrates
- 03
Pretreatment (degreasing, pickling, passivation)
- 04
Coating (powder or wet paint)
- 05
Pad printing
- 06
Assembly
- 07
Final packaging
- 08
Shipping incl. customs documents
Locations
St. Margrethen
CHHeadquarters with production and administration
- Part weight / size
- up to 300 kg; part sizes from millimetres to 6 m
- Lot size
- Single parts to large series of over 100,000 pieces
- Materials
- Aluminium, steel, stainless steel; plastic coatings (ECTFE, ETFE, FEP, PFA, PE, PPA 571, among others)
- Automatic pretreatment, wet paint and powder coating system WAGNER IPS MASTER with Power-and-Free overhead conveyor system (J. Wagner GmbH)
- 2 separate pretreatment lines for aluminium and steel, each with 4 chambers of 2 tanks (Leutenegger + Frei AG)
- High-rotation bell for wet paint application
- Vacuum evaporator system for wastewater treatment
- VE water circulation system with ion exchanger, UV disinfection and reverse osmosis
Coated components
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Electrostatic powder coating (ES)Surface | – | 6 m | – | Single part – over 100,000 pieces (large series) | – |
| Fluidized bed coating (dip coating)Surface | – | 6 m | – | Single part – over 100,000 pieces (large series) | – |
| Minicoat process (MC)Surface | – | 6 m | – | Single part – over 100,000 pieces (large series) | – |
| Conventional wet paint coatingSurface | – | 6 m | – | Single part – over 100,000 pieces (large series) | – |
| Electrostatic wet paint coating (with pressure tank operated by hand)Surface | – | – | – | – | – |
| Wet paint coating with high-rotation bellSurface | – | – | – | – | – |
| Pretreatment (degreasing, pickling, passivation)Surface | – | – | – | – | Aluminium, Steel |
| Pad printing (single- or multi-color)Surface | – | – | – | – | – |
| Assembly workAssembly | – | – | – | – | – |
| Final packaging and customs documentsAssembly | – | – | – | – | – |
5 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Automatic pretreatment, wet paint and powder coating system with Power-and-Free overhead conveyor | J. Wagner GmbH WAGNER IPS MASTER | – | Part sizes up to 3.2 m x 2.0 m x 0.8 m, weight up to 300 kg | – | St. Margrethen |
| Pretreatment systems (2 separate process lines for aluminium and steel, each 4 chambers of 2 tanks, | Leutenegger + Frei AG | 2 | – | – | St. Margrethen |
| Vacuum evaporator system (wastewater treatment) | – | 1 | – | – | St. Margrethen |
| VE water circulation system with ion exchanger circulation system, UV disinfection and reverse | – | – | – | – | St. Margrethen |
| High-rotation bell (wet paint application) | – | – | Bell/disk 23–50'000 rpm | – | St. Margrethen |
Additional services
Reference customers
Quality and certifications
Quality assurance is based on an ISO 9001:2015 certified management system (SQS/IQNet, Reg. No. CH-14819), automated chemical monitoring of pretreatment, and a closed water circuit with UV disinfection. The coater qualification according to DBS 918 340 of Deutsche Bahn demonstrates the qualification for powder coating of rail vehicle components made of aluminium.
| Evidence | St. Margrethen |
|---|---|
| ISO 9001:2015 (SQS/IQNet) | |
| DBS 918 340 (Deutsche Bahn) | |
| QIB company approval | |
| EnAW participation |
History
- 1970
Founding of LIOSAPLAST AG
- 2019
Participation in the Energy Agency for Industry (EnAW)
- 2025
Coater qualification according to DBS 918 340 of Deutsche Bahn for interior and exterior aluminium (valid until March 2030)