
Manufacturer of custom switching mats, silicone keyboards, conductive rubber and silicone molded parts from Ravensburg

ELGRO TECHNOLOGY GmbH
Ravensburg (Headquarters) · Production Facility Far EastNew on Amplifa
About ELGRO Technology
ELGRO TECHNOLOGY GmbH, headquartered in Ravensburg, is a manufacturer founded in 1968 of custom electromechanical contact and control elements as well as technical molded parts and seals made from silicone elastomer (SI-VMQ). The portfolio includes switching mats, silicone keyboards and contact mats (MMI), conductive rubber such as zebra connectors and display connectors for LCD displays, as well as silicone molded parts produced by compression molding (HTV), liquid injection molding (LSR) and 2-component technology (co-molding/overmolding). The company supports customers from development and project planning through prototyping to production maturity and delivers Just-in-Time series volumes worldwide; a production facility in the Far East is also available for series production. Customers are found in equipment engineering, electronics/EMS, medical technology, the food industry, sensor technology, and mechanical and plant engineering. The quality management system is certified to DIN EN ISO 9001:2015 by TÜV SÜD.
- Site
- Ravensburg
- Processes
- Co-Molding (combination of Plastic Injection Molding and Compression Molding), Compression Molding (HTV silicone), Liquid Injection Molding (LSR), Overmolding (Material combination, 2K technology), Manufacture of switching mats and silicone keyboards (contact mats, MMI), Manufacture of conductive rubber (Zebra connectors, display connectors) for LCD displays, Manufacture of silicone molded parts and seals (three-dimensional components), Development, project planning through to production maturity, prototyping
- Materials
- Silicone elastomer (SI-VMQ), HTV silicone, LSR (liquid silicone), Silicone rubber, Conductive rubber, Silicone-plastic combination (co-molding/overmolding)
- Certificates
- DIN EN ISO 9001:2015, ISO/TS 16949, ISO 9001 (DIN EN ISO 9001:2015), IATF 16949 / ISO-TS 16949 (Production Facility Far East)
- Founded
- 1968
- Industries
- Equipment engineering, EMS/Electronics, Medical technology, Food industry, Sensor technology, Mechanical and plant engineering
- 01
Development and project planning through to production maturity
- 02
Prototyping
- 03
Tooling and series production (compression molding, liquid injection molding)
- 04
Quality inspection
- 05
Just-in-Time series deliveries
Materials and Processes
Silicone elastomer (SI-VMQ)
Base material for switching and contact components, seals and technical molded parts for all industries.
HTV silicone
Processed by compression molding into cost-efficient, also three-dimensional, molded parts.
LSR (liquid silicone)
Liquid injection molding for precise silicone molded parts in series production.
Silicone-plastic combination (co-molding/overmolding)
2-component technology for user interfaces, keyboards and housings with combined material functions.
Conductive rubber
Conductive silicone for zebra connectors and display connectors, also suitable for automated placement.
Sites
Ravensburg
DEHeadquarters, Development and Sales
- Lot size
- Prototypes to series
- Materials
- Silicone elastomer (SI-VMQ), HTV, LSR
Production Facility Far East
Series production
- Lot size
- Series volumes
- Materials
- Silicone
Components






Inside the production







Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Co-Molding (combination of Plastic Injection Molding and Compression Molding)Plastics | – | – | – | – | Silicone rubber, Plastic |
| Compression Molding (HTV silicone)Plastics | – | – | – | – | HTV silicone, Silicone elastomer (SI-VMQ) |
| Liquid Injection Molding (LSR)Plastics | – | – | – | – | LSR silicone |
| Overmolding (Material combination, 2K technology)Plastics | – | – | – | – | Silicone |
| Manufacture of switching mats and silicone keyboards (contact mats, MMI)Plastics | – | – | – | – | Silicone rubber |
| Manufacture of conductive rubber (Zebra connectors, display connectors) for LCD displaysPlastics | – | – | – | – | Conductive rubber (silicone) |
| Manufacture of silicone molded parts and seals (three-dimensional components)Plastics | – | – | – | – | Silicone elastomer (SI-VMQ) |
| Development, project planning through to production maturity, prototypingEngineering | – | – | – | – | Silicone |
Additional services
Quality
The quality management system is certified to DIN EN ISO 9001:2015 by TÜV SÜD (Reg. No. 12 100 58801 TMS). The production facility in the Far East is certified to ISO/TS 16949.
| Evidence | Ravensburg |
|---|---|
| ISO 9001 (DIN EN ISO 9001:2015) | |
| IATF 16949 / ISO-TS 16949 (Production Facility Far East) |
History
- 1968
Founding of ELGRO TECHNOLOGY GmbH
- 2018
Jubilee certificate from the IHK Bodensee-Oberschwaben on the occasion of 50 years since founding (July 2018)