一   What is LSR Molding? 

It is one of the LSR manufacturing processes that shapes it into durable, flexible, and intricate parts.

二  What is liquid silicone molding used for?

Liquid silicone molding produces components for medical devices, electronics, automotive, kitchenware, aerospace, and other industries, 

三  What is the difference between liquid silicone and silicone rubber molding?

The main difference is their state: LSR molding uses silicone in a liquid, whereas silicone rubber molding typically involves solid silicone rubber.

四  LSR Compression Molding

Compression molding is the simplest method of Liquid Silicone Rubber molding. It involves molding the liquid silicone into a preheated open mold instead of injecting it. The typical pre-heating temperature is 170-200 °C, depending on the size and thickness of the intended part.

After placing the material, a pressing mechanism compresses the material. This compression ensures the flow of material. Then, it captures the details of mold cavities.Here, the mold pre-heating, placing it in an open mold, and compression step all contribute to the longer production cycles. Thus, it fits for small to medium-volume production.  

五 What are the Applications of Liquid Silicone Rubber Molding?

The diverse properties of silicone rubber make LSR a widely used material across industries. Different molding techniques convert the LSR with distinct procedures to the desired shape or geometry. The application ranges from Silicone Prototyping to large volume runs. 

The following table highlights the Liquid Silicone Rubber Molding Applications with examples.

六   Advantages of LSR Compression Molding

• The LSR compression molding reduces material waste.
• It can fill complex molds with fine details, such as sealing membranes with thin walls.
• The flexibility in die design provides the best result with Custom Silicone Parts. 
• This molding is most suited for metal inserts on the silicon rubber parts.  
• The curing time of silicone rubber compression molding is less than the LSR injection molding.
• It can be automated like injection molding to increase production efficiency and precision.

Summing Up

Different Silicone Rubber Injection Molding types can be applied based on design complexity and desired outcomes of the molding project.   

The LSR injection molding is preferred for producing precision and intricate detail parts in large numbers. Meanwhile, compression molding is more suitable for manufacturing simpler geometries at low cost.