PT ZONE: LIM & LSR Molding

Overcome Typical Challenges in LSR Molding
Here’s a quick overview of basic mold and machine factors behind common LSR molding headaches and how to avoid them. More (+)
Clearly a Contender
LSR Vies for New Applications in Automotive, Lighting, Healthcare, and More. More (+)


MOST RECENT CONTENT: LIM & LSR Molding

Rogan Corp. at 80: Growing in Medical, LSR, Two-Shot Molding

Bondable TPEs and LSRs support growth in two-shot molding for medical and other markets.

VW Explores Thermoplastic RTM

Another German automaker pursues liquid reaction molding of structural composites.

BMW Ups Its Stake in Composites

BMW installs huge vertical press for thermoset HP-RTM.

Machinery & Robot Developments at Wittmann Battenfeld Open House

Open house celebrates expanded U.S. headquarters & showcases innovations.

INJECTION MOLDING: Larger ‘Stuffer Box’ for LSR Prototyping, Micromolding

Feeding device for small amounts of premixed LSR as a single component.

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OVERVIEW:
LIM & LSR Molding

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Liquid silicone rubber (LSR) injection molding is a long established process but it is enjoying an upsurge in interest for medical, automotive, infant care, and general industrial applications. It requires specialty machinery and processing considerations compared to conventional thermoplastics molding. Notably, whereas thermoplastics must be heated in the injection barrel to their melting point, and then cooled in the mold back to a solid state, the reverse occurs with LSR. It starts out as a fluid and is then heated within the mold to initiate curing.


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