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LSR moulding or Liquid Silicon Rubber molding is the process of injecting a 2 part silicon rubber into a mould. The moulded part is cured by reaction between the 2 parts.
The soft silicon rubber mouldings have a high degree of accuracy and fine details such as seal lips are able to be moulded. Parts are soft enough to remove from the mould easily making undercuts and hollows easily achievable in the part geometry.
LSR molding is typically used to mould soft seals and soft silicon parts, baby bottle teats, breathing masks, medical parts etc.