One of our most outstanding capabilities is the simultaneous injection of LSR in combination with technical plastics, 2C LSR technology. In what is commonly referred to as 2K, 2-shot, multi-component injection molding or co-injection, our LSR experts employ highly advanced and sophisticated tool and process engineering to develop the most innovation solutions, combining two, three or more individual materials into one fully bonded, robust component.
Advantages of 2C LSR Technology:
Enhanced processing options for more hygienic designs
Trelleborg Healthcare & Medical is at the forefront of tool, process and automation technology for 2C or two shot liquid injection molding. In a fully automated and closed loop system, either a combination of thermoplastic and liquid silicone or two dissimilar grades of liquid silicone are co-molded into a bonded component that offers a wealth of benefits in both assembly and function of the finished product.
A second process option for two component parts, suited for lower production runs and commonly applied by Trelleborg Healthcare & Medical is overmolding. Here, Liquid Silicone Rubber is injected over either a thermoplastic or metal component to create a fully bonded part.
Customer: Medical Device Manufacturer
Application: Medical Safety Valves
The resulting design of sealing element proved to be highly cost effective. Total cost was reduced by extending replacement intervals, a reduction in the amount of sealing material required and lower assembly costs. The component proved highly effective and the same concept is being used across the customer’s product range.