
Injection-molded parts from 0.2 to 2,000 g with in-house toolmaking, assembly and foam seal application

Kunststoff-Technik GmbH
93354 SiegenburgNew on Amplifa
About Kunststoff-Technik GmbH
Kunststoff-Technik GmbH, based in Siegenburg (Lower Bavaria), is a manufacturer and supplier of thermoplastic plastic parts. For more than 25 years we have been producing and assembling plastic articles for well-known companies from various industries, including the automotive industry, electrical industry, medical technology, fastening technology, drainage technology and the packaging industry. Production comprises plastic injection molding with part weights from 0.2 g to 2,000 g on 18 injection molding machines with clamping forces of 15 to 500 tons, most of which are operated fully automatically with removal robots. An attached toolmaking department with a seamless 3D CAD-CAM-CNC system implements customer requirements precisely. The range of services also includes overmolding of inserts, wires and sheet metal, the application of foam seals and the assembly of plastic articles. Deliveries are made daily by our own van or by freight forwarders.
- Site
- Siegenburg
- Processes
- Plastic injection molding (thermoplastic injection-molded parts, fully automated), Multi-layer/foam seal application on plastic products, Overmolding of inserts, wires and sheet metal (0.4 mm), Toolmaking (CAD-CAM-CNC), Assembly of plastic articles, Assembly, Foam seal application, Overmolding of inserts, wires, sheet metal
- Materials
- Polyamide, Plastics with fillers GF, GK, V0, mineral fillers, Polypropylene homo, Polypropylene copolymer, Polyethylene, ABS, PBT, Polycarbonate
- Certificates
- ISO 9001:2015, ISO 9001
- Industries
- Automotive industry, Electrical industry, Medical technology, Fastening technology, Drainage technology, Packaging industry
- 01
Toolmaking (CAD-CAM-CNC)
- 02
Plastic injection molding
- 03
Overmolding of inserts/wires/sheet metal
- 04
Foam seal application
- 05
Assembly
- 06
Delivery by own van/freight forwarder
Site

Siegenburg
DEInjection molding production and toolmaking
- Part weight / size
- 0.2–2,000 g
- Lot size
- Small, medium and large series
- Materials
- Thermoplastics, elastomers, silicones, thermosets, hotmelt
- 18 injection molding machines (15–500 t clamping force)
- Krauss Maffei KM 65-380 CX and CX series
- Boy fully hydraulic injection molding machines (up to 800 kN)
- Ferromatik Milacron
- Removal robots and handling equipment from Wittmann and Koch
Components






Inside the production








Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Plastic injection molding (thermoplastic injection-molded parts, fully automated)Plastics | – | – | 0.2 g – 2,000 g | small quantities – large quantities | Thermoplastic, Elastomer, Silicone, Thermoset, PIM, Hotmelt, Polyamides, Plastics with fillers GF, GK, V0, mineral fillers, PP homo, PP copo, PE, ABS, PBT, PC, PS, PMMA, TPE, TPU |
| Multi-layer/foam seal application on plastic productsPlastics | – | – | – | – | Thermoplastics |
| Overmolding of inserts, wires and sheet metal (0.4 mm)Plastics | – | – | – | – | heat-resistant plastics, metal inserts, sheet metal |
| Toolmaking (CAD-CAM-CNC)Engineering | – | – | – | – | – |
| Assembly of plastic articlesAssembly | – | – | – | – | Thermoplastics |
6 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Injection molding machine | Krauss Maffei KM 65-380 CX | – | – | – | Siegenburg |
| Fully hydraulic injection molding machine | Boy | – | Clamping force up to 800 kN | – | Siegenburg |
| Injection molding machine | Krauss Maffei CX series | – | – | – | Siegenburg |
| Injection molding machine | Ferromatik Milacron | – | – | – | Siegenburg |
| Injection molding machine | – | 18 | Clamping force 15–500 t, part weight 0.2–2,000 g | – | Siegenburg (2 sites) |
| Removal robots/handling | Wittmann and Koch | – | – | – | Siegenburg |
Additional services
Quality
Continuous inspections from raw material intake to goods dispatch ensure product quality; all measurement results are permanently archived and analyzed. Raw materials are sourced exclusively from selected certified suppliers.
| Evidence | Siegenburg |
|---|---|
| ISO 9001 |
History
In operation for more than 25 years