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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![How Automated Material Feeding Improves LSR Manufacturing Efficiency]()
How Automated Material Feeding Improves LSR Manufacturing EfficiencyAs labor costs continue to rise and quality requirements become stricter, manufacturers are increasingly adopting automated material feeding systems in liquid silicone rubber production.
06/09/2026
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![How Does Vacuum Assistance Improve LSR Injection Molding Quality?]()
How Does Vacuum Assistance Improve LSR Injection Molding Quality?In liquid silicone rubber (LSR) manufacturing, product quality is heavily influenced by how effectively air is removed from the mold cavity. Trapped air can lead to bubbles, incomplete filling, surface defects, and reduced product consistency.
06/08/2026
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![Why Is Shot Size Accuracy Important in Liquid Silicone Rubber Molding?]()
Why Is Shot Size Accuracy Important in Liquid Silicone Rubber Molding?Precision is one of the key advantages of liquid silicone rubber molding. However, achieving consistent product quality depends heavily on accurate shot size control.
06/08/2026
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![How Clamp Force Selection Affects LSR Injection Molding Performance]()
How Clamp Force Selection Affects LSR Injection Molding PerformanceClamping force is one of the most fundamental parameters in liquid silicone rubber injection molding. While many manufacturers focus heavily on injection pressure, metering accuracy, and mold design, the selection of proper clamp force directly influences product quality, mold lifespan, process stability, and overall production efficiency.
06/03/2026
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![How Closed-Loop Injection Control Improves LSR Molding Stability]()
How Closed-Loop Injection Control Improves LSR Molding StabilityAdvanced manufacturing systems are now integrating digital monitoring, servo-driven motion control, and intelligent process optimization to reduce variability during molding cycles.
05/29/2026
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![Energy Consumption Optimization in Modern LSR Injection Molding Machines]()
Energy Consumption Optimization in Modern LSR Injection Molding MachinesAs manufacturing industries move toward sustainable and cost-efficient production models, energy optimization has become an increasingly important factor in liquid silicone rubber injection molding.
05/28/2026
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![LSR Injection Machine Guide: How Proper Maintenance Extends Injection Machine Lifespan]()
LSR Injection Machine Guide: How Proper Maintenance Extends Injection Machine LifespanLiquid silicone rubber injection molding machines operate under highly specialized production conditions that require long-term precision, thermal stability, and continuous mechanical reliability.
05/19/2026
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![What Are the Advantages of Integrated Horizontal Injection Molding Machines?]()
What Are the Advantages of Integrated Horizontal Injection Molding Machines?Integrated horizontal injection molding machines have become increasingly important in modern liquid silicone rubber manufacturing due to their ability to combine automation, precision, and production efficiency into a single system architecture.
05/18/2026
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![High-Precision Liquid Silicone Rubber Injection Molding: How to Achieve Micron-Level Tolerance Control]()
High-Precision Liquid Silicone Rubber Injection Molding: How to Achieve Micron-Level Tolerance ControlAs medical devices, wearable electronics, automotive sealing systems, and micro silicone components continue evolving toward miniaturization and precision manufacturing, micron-level dimensional control has become increasingly important in Liquid Silicone Rubber injection molding.
05/15/2026
The Effect of Curing Temperature on LSR Cross-linking Speed
The 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. This reaction is highly temperature-dependent. Increasing the mold temperature accelerates the cross-linking process, significantly reducing the time required for the part to reach its full physical properties and be ready for ejection. This is perhaps the most direct way to influence cycle time in LSR molding; higher curing temperatures generally lead to faster cycles.
However, this relationship is not without limits. There is an upper temperature threshold beyond which raising the temperature provides diminishing returns in terms of speed and can introduce problems. Excessively high temperatures can cause the LSR to cure too rapidly on the surface while the core remains under-cured, leading to issues like incomplete detail replication or poor adhesion in overmolding applications. It can also increase the risk of thermal degradation of the material or damage to sensitive inserts within the mold.
Material formulation also plays a role. Different LSR grades are designed with specific catalyst systems that respond differently to temperature changes. Some are formulated for rapid cure at moderate temperatures, ideal for high-volume production. Others are designed for slower cure at elevated temperatures, providing a longer working window for complex assemblies or insert molding. Understanding the specific cure kinetics of the LSR being used is crucial for optimizing the mold temperature setting for maximum speed.
Effective thermal management within the mold is equally important. Uniform temperature distribution ensures that all parts of the component cure at the same rate. Hot spots can cause premature curing and increased stress, while cold spots will be the last to cure, determining the overall cycle time. Sophisticated mold heating systems, such as conformal oil channels or precisely controlled electric heaters, are used to maintain consistent temperatures across the entire cavity surface, enabling the full benefit of elevated curing temperatures to be realized in the shortest possible time.