Liquid injection molding
Liquid injection molding

The technology
The technology Liquid Injection molding (LIM) is used to manufacture elastomer molded parts made of liquid silicone rubber (LSR). The special properties of this material make it suitable for a large number of applications, from medical technology to the food sector, to electrical engineering or mechanical engineering, or even in sanitary engineering as well as sports and leisure. This comes as no surprise, since LSR is tasteless and odorless, biocompatible, plasticizer-free, and also has excellent thermal properties.
This new technology allows us to respond to the increased demand in the market for silicone components, which means we can satisfy the needs of our customers even better
Andreas Kaiser
Geschäftsführer Greiner Assistec in St. Gallen
Complex assembly unit
How liquid injection molding works
Many areas of application

Advantages of LSR
- Temperature-resistant between -50 °C and +250 °C, while maintaining elastic properties
- Odorless and tasteless
- Plasticizer-free
- Excellent biocompatibility (suitable for the food
- and drug industry)
- Transparent material can be colored as desired
- High temperature resistance and flashpoint
- Favorable fire behavior
- Good electrical insulating properties
- Very good weather and aging resistance
- Environmentally friendly
- The molded parts can be manufactured spruelessly and without burrs
Impressions


What are silicones?
Silicones belong to the group of organosilicon compounds and are classified in the plastics groups of elastomers. Depending on the type of vulcanization and viscosity of the base polymer, a distinction is made between different grades of rubber as well as high-temperature and low-temperature vulcanization. Because of its special properties, Greiner Assistec is focusing on LSR, which belongs to the group of high-temp vulcanizing rubbers and exhibits a particularly low viscosity. LSR is a pumpable 2-component mixture and is a superb choice for processing in Injection molding processes.