Recent Posts
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![Meet TYM at K 2025 -The World’ s No.1 Trade Fair for Plastics and Rubber]()
Meet TYM at K 2025 -The World’ s No.1 Trade Fair for Plastics and RubberWelcome to the World’s No.1 Trade Fair for Plastics and Rubber -K 2025, taking place from October 8–15, 2025 at Messe Düsseldorf, Germany. As a professional LSR injection molding machine, mold, and robot solution provider, TYM Technology Co., Ltd. is proud to present our latest innovations at Booth 16E77.
09/23/2025
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![The Role of Preventive Maintenance in Avoiding Unexpected Downtime]()
The Role of Preventive Maintenance in Avoiding Unexpected DowntimePreventive maintenance (PM) is the practice of regularly scheduled inspection, cleaning, adjustment, and replacement of machine components before they fail.
04/22/2026
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![The Effect of Regrind Material Ratios on Processing Speed]()
The Effect of Regrind Material Ratios on Processing SpeedRegrind, or recycled sprues, runners, and rejected parts, is commonly reintroduced into the virgin material stream to reduce waste and material costs in injection molding.
04/22/2026
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![How Pigment and Additive Masterbatches Affect Injection Speed]()
How Pigment and Additive Masterbatches Affect Injection SpeedPigments and additive masterbatches are commonly used in injection molding to achieve specific colors, properties, or functionalities in the final part.
04/22/2026
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![How LSR Viscosity Impacts Injection Speed and Flow Dynamics]()
How LSR Viscosity Impacts Injection Speed and Flow DynamicsLiquid Silicone Rubber (LSR) viscosity is a fundamental material property that exerts a profound influence on injection speed and overall flow dynamics during the molding process.
04/22/2026
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![How Robotic Automation Streamlines Post-Molding Operations]()
How Robotic Automation Streamlines Post-Molding OperationsRobotic automation plays a pivotal role in maximizing the speed benefits achieved during the injection molding cycle itself.
04/22/2026
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![How Two-Shot Molding Sequences Impact Overall Cycle Time]()
How Two-Shot Molding Sequences Impact Overall Cycle TimeTwo-shot molding, also known as multi-shot or double-shot molding, involves injecting two different materials into a single mold to create a composite part in one automated process.
04/22/2026
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![The Effect of Curing Temperature on LSR Cross-linking Speed]()
The Effect of Curing Temperature on LSR Cross-linking SpeedThe curing of Liquid Silicone Rubber (LSR) is a chemical reaction, known as cross-linking, where polymer chains are linked together to form a solid elastomer.
04/22/2026
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![Optimizing Holding Pressure Time to Reduce Overall Cycle Duration]()
Optimizing Holding Pressure Time to Reduce Overall Cycle DurationHolding pressure is applied after the initial cavity filling to pack more material into the part and compensate for shrinkage as the material cools and solidifies.
04/22/2026
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![The Impact of Injection-Compression Molding on Cycle Time]()
The Impact of Injection-Compression Molding on Cycle TimeInjection-compression molding (ICM) is an advanced technique that combines elements of traditional injection molding and compression molding.
04/22/2026
How the Liquid Silicone Rubber (LSR) Injection Molding Process Works
We know that LSR material has lots of outstanding features in components making and it also have lots application in many industrial use.Today we keep on learning how the LSR injection molding process works.
As we all know, Liquid silicone rubber (LSR) injection molding is an industrial fabrication process that molds materials into a broad range of components and products. It relies on pressurized impingement mixing, that unlike the standard reaction injection molding process. LSR injection molding uses a mechanical mixing process that focuses mainly on liquid silicone rubber (LSR) and similar elastomeric materials.
How the liquid silicone rubber injection molding works ?
We usually utilizing a pump the LSR injection molding method brings together an apportioned mixing and dispensing of LSR. One plunger holds the base forming plastic, that helps strengthened with additives and fibers, and the other plunger contains the catalyst. Each will be pumped in a 1:1 ratio into a static mixer, which triggers the mixing reaction.
The liquid mixture is then injected into a sealed mold where it is heated at temperatures from 180 to 200 C, or 355 to 390 F. It starts out as a fluid and is then heated within the mold to initiate curing. Once it hardens, the molding machine ejects the nearly finished part.
Thermoplastics operate in reverse; the materials are heated in the injection barrel to their melting point and then cooled in the mold. Many manufacturers use computer-aided design (CAD) tools to make the LSR process more efficient. CAD allows them to run simulations to determine the most cost-efficient and effective processing regiment and conditions, evaluate results, and check integrated components.
In addition, thermal imaging technology can help pinpoint costly production mistakes, especially molding defects and design irregularities.
In next part, we will learn some new information about the LSR injection molding machine and some moulds. Also , do not hesitate to mail us your idear about the liquid silicone injection molding.