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About LSR Process

About LSR Process

Liquid Silicone Rubber (LSR) Injection is a manufacturing process used to create products and components using liquid silicone rubber material. LSR is a versatile and high-performance material known for its excellent thermal, chemical, and electrical resistance, as well as its biocompatibility and durability. It is commonly used in industries such as medical, automotive, electronics, and consumer goods.
About LSR Process
About LSR Process
Product Descriptions

 

Liquid Silicone Rubber (LSR) Injection is a manufacturing process used to create products and components using liquid silicone rubber material. LSR is a versatile and high-performance material known for its excellent thermal, chemical, and electrical resistance, as well as its biocompatibility and durability. It is commonly used in industries such as medical, automotive, electronics, and consumer goods.

 

The LSR injection process involves several steps:

 

Material Preparation: Liquid silicone rubber is a two-part material that consists of a base silicone polymer and a curing agent or catalyst. These components are mixed together in a controlled ratio to initiate the curing process.

 

Injection Molding: The LSR material is injected into a mold cavity under high pressure. The mold is typically made from steel or aluminum and is designed to create the desired shape of the final product. The high pressure ensures that the liquid silicone rubber flows and fills the mold completely, capturing all the intricate details.

 

Curing: Once injected into the mold, the LSR material is heated to initiate the curing process. This can be done through various methods, such as thermal ovens or heat transfer fluids. The curing process transforms the liquid silicone rubber into a solid elastomer, giving the final product its desired properties.

 

Demolding: After the curing process is complete and the material has solidified, the mold is opened, and the newly formed LSR product is removed. Care is taken during this step to ensure that the product is not damaged or deformed.

 

LSR injection molding offers several advantages:

 

Precision: LSR can replicate intricate details and complex geometries accurately due to its low viscosity and high flowability during injection.

 

High-Quality Finish: LSR products typically have a smooth surface finish, reducing the need for additional post-processing.

 

Durability and Flexibility: LSR products exhibit excellent durability, flexibility, and resistance to extreme temperatures, making them suitable for a wide range of applications.

 

Biocompatibility: LSR is often used in medical and healthcare industries due to its biocompatibility and sterilization capabilities.

 

Reduced Waste: The injection process generates minimal waste, as excess material can be easily recycled or reused.

 

However, LSR injection molding also has some challenges and considerations, such as:

 

Tooling Costs: Designing and manufacturing the molds for LSR injection can be expensive, especially for complex geometries.

 

Material Costs: LSR material itself can be more expensive compared to other elastomers or plastics.

 

Cycle Time: The curing process can take longer compared to traditional plastic injection molding, which may impact production cycle times.

 

Equipment and Expertise: LSR injection molding requires specialized equipment and skilled operators familiar with the unique properties of liquid silicone rubber.

 

Overall, LSR injection molding is a valuable manufacturing process for producing high-quality, precision-engineered products with exceptional properties, particularly in industries where durability, biocompatibility, and performance under extreme conditions are critical.

 

 

 

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