Temperature-resistant seals
New 2K-LSR process
Pöppelmann K-Tech is expanding its range of services: with the new 2K-LSR process for temperature-resistant seals, the company offers a solution for components with very high sealing and temperature requirements.
Pöppelmann K-Tech, which specializes in the development and series production of technical plastic solutions, offers reliable sealing functions for technical plastic parts, among other things. The division of the Pöppelmann Group from Lohne has now expanded its range of services: with the injection molding processing of two-component liquid silicone rubbers (LSR), the company now has an efficient solution for components with very high sealing and temperature requirements.
Economical for high quantities
With the new material implemented by Pöppelmann K-Tech, silicone is first injected with the hard component (thermoplastic) in a 2-component injection molding process, after which the soft component LSR is injected. The 2-component LSR technology makes it possible to overmold different materials in one process, reliably and fully automatically. No further assembly steps are required. Depending on the material pairing, a chemical adhesive bond can be achieved between the hard and soft components in addition to the sealing function. According to the company, the fully automatic, single-stage process is highly cost-effective for large quantities.
Added value for many industries
The LSR exhibits excellent properties in compression set tests and is characterized by good resistance to weathering, ageing and UV radiation as well as being odourless. It is said to enable reliable sealing with high tolerances. The 2K-LSR technology is particularly interesting for the automotive industry, as the solutions produced with it offer reliable protection against moisture, chemicals and high and low temperatures. It is also suitable for industries and sectors such as electronics, electrics, energy, household, transportation, medicine, cosmetics and more.
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