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
How LSR Viscosity Impacts Injection Speed and Flow Dynamics
Liquid 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. Viscosity measures a fluid's resistance to flow; lower viscosity LSR flows more easily and rapidly into complex mold cavities under a given pressure. This allows for faster filling times and can be particularly advantageous for intricate parts with thin walls or long flow paths. Processors can often use lower injection pressures with low-viscosity grades, reducing stress on both the machine and the mold.
Conversely, higher viscosity LSR requires more force to move through the injection unit and into the mold. This translates to longer fill times and higher injection pressures. While this might seem disadvantageous for speed, higher viscosity grades can be beneficial in specific applications. They are less prone to flash in poorly vented areas and can be better for encapsulating delicate components where a gentler, slower fill is desirable to avoid displacing inserts or creating voids due to turbulent flow.
Temperature is a key factor that modulates LSR viscosity. Like most fluids, LSR becomes less viscous (thinner) as it warms up. Maintaining a consistent, optimal material temperature is crucial for predictable flow and speed. If the LSR is too cold, its viscosity increases, slowing down the process and potentially leading to incomplete filling. If it's too hot, it might cure prematurely or flow too aggressively, causing defects. Precise temperature control of the LSR before injection is therefore essential for optimizing speed.
Selecting the correct LSR viscosity grade for a specific part and mold design is a strategic decision. It involves balancing the need for fast filling against the risk of defects, the complexity of the part geometry, and the capabilities of the molding equipment. Working closely with LSR suppliers to understand the flow characteristics of different grades and using mold flow analysis to predict performance can help processors choose the optimal viscosity to achieve the fastest, most efficient, and highest quality molding cycle.