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Exploring the "Past and Present" of Liquid Silicone: Why Has It Become the New Favorite? When we accidentally touch the soft and skin-friendly nipple on a baby bottle in our daily life, feel the elasticity of a car seal, or marvel at the smooth touch of a delicate electronic product casing, we are very likely already dealing with a magical material called "liquid silicone". It is like an invisible magician, quietly integrating into our daily life of clothing, food, housing and transportation, yet with its outstanding performance, it constantly refreshes our understanding of materials. What exactly makes liquid silicone gel so popular? How does it differ from the common silicone we are familiar with? To understand liquid silica gel, we need to start with its somewhat awkward name. It is called "silicon" because its framework is mainly composed of silicon (Si) and oxygen (O) atoms alternately connected, forming a long Polysiloxane chain that repeatedly extends like a necklace. This endows it with many inherent advantages, such as excellent resistance to high and low temperatures, enabling it to remain stable at extremely low temperatures below zero and extremely high temperatures over 200 degrees Celsius. Unlike many common plastics, it does not become brittle when exposed to cold or soften and deform when exposed to heat. The structure of this silicon-oxygen bond also endows it with excellent weather resistance, making it less susceptible to erosion by environmental factors such as ultraviolet rays and ozone. Therefore, products made from it can last for a long time and their color is not prone to fading. If it were merely "silicon", it might also be able to stand out in certain specific fields. What truly sets liquid silicone apart and makes it the darling of the new materials era is its "gel" property - that is, its unique processing method and ultimate flexibility. Unlike traditional solid silicone rubber, which needs to go through a high-temperature vulcanization (pressurized heating molding) process to cure, liquid silicone rubber is in a liquid state at room temperature, or rather, a very viscous liquid state. It usually exists in the form of two components, A and B. Before use, they are mixed in a certain proportion and, within a short period of time (typically a few minutes to tens of minutes), undergo a rapid chemical reaction at a relatively low temperature (even room temperature) through the action of a catalyst, cross-linking and curing to form a three-dimensional network structure. This process is called additive curing. It is precisely this "liquid" characteristic that brings revolutionary processing advantages to liquid silicone rubber. It can be produced through InjectionMolding, a process that is like injecting "liquid" into it, allowing for easy filling into extremely complex molds and achieving high-precision, high-efficiency, and low-loss production. Imagine that the precision components that used to require multiple processes and a lot of time and effort to produce can now be perfectly presented through a single injection molding process. This greatly reduces production costs and also provides designers with unprecedented freedom, allowing them to create products with more unique shapes and more integrated functions. Moreover, this addition curing process is more environmentally friendly compared to the traditional condensation curing (which usually generates small-molecule by-products), and can produce a final product of extremely high purity. This means that liquid silicone products produce almost no harmful substances during the curing process, making them highly suitable for applications that come into direct contact with the human body, such as medical devices, food-grade kitchenware, and baby products. In addition to the convenience in processing, the "gel" property of liquid silicone rubber also determines its excellent physical properties. The cured liquid silicone rubber usually exhibits extremely high elasticity and softness, with a fine touch and good resilience. It also has excellent damping performance and can effectively absorb vibration and noise. It also has excellent insulation properties, which makes it widely used in the field of electronics and electrical appliances, and it can provide effective protection and insulation for precision components. More importantly, the molecular structure of liquid silicone rubber is very stable and not easy to migrate, which means it can maintain the stability of its physical and chemical properties for a long time and is not prone to aging, cracking or hardening. This long-lasting performance is beyond the REACH of many traditional materials. In summary, the reason why liquid silicone rubber has become a new favorite is that it ingeniously combines the excellent weather resistance, temperature resistance, insulation and other basic properties of "silicon", and through the "liquid" processing method, it achieves efficient, precise and environmentally friendly production, while also endowing the product with excellent softness, elasticity and stability. It is a modern material that combines high performance and high plasticity, and is quietly changing our lives with its unique charm.

The "Versatile Forms" of liquid Silicone: From Daily life to cutting-edge Applications, a Picture of Ubiquitous Applications

After we have a deep understanding of the material properties of liquid silicone, we might be curious about what role this material, which is "not just about silicon, but more about glue", plays in our lives? The answer is: It is almost everywhere, with its "ever-changing form", permeating every aspect of our daily lives, and even playing an indispensable key role in many cutting-edge technological fields. 1. Thoughtful infant and Toddler Products: A Promise of Safety and Softness As parents, we have almost strict requirements for the safety and comfort of infant and toddler products. Liquid silicone rubber, with its outstanding biocompatibility, non-toxicity, odorlessness, and high-temperature resistance for disinfection, has become an ideal material for manufacturing infant and toddler products. From soft and skin-friendly pacifiers and chews to easy-to-grasp training cups and tableware, and then to highly wrapping diapers and pillows, products made of liquid silicone not only meet all the needs of a baby's growth, but more importantly, provide a safe and worry-free care for the baby. It imitates the touch of the mother's skin, making the baby feel at ease. At the same time, its good elasticity and toughness also ensure the service life and safety of the product, and it will not be easily damaged to cause danger. 2. The Intimate Assistant in the Kitchen: A Fusion of Health, Durability and Convenience. In the kitchen, a place brimming with the warmth of daily life, liquid silicone also shines brightly. Those brightly colored and variously shaped baking molds are the masterpieces of liquid silicone. They have excellent non-stick properties, can be easily demolded after baking, and are also very convenient to clean. More importantly, they can withstand a wide temperature range from several dozen degrees below zero to over two hundred degrees Celsius. Whether it is freezing or high-temperature baking, they can handle it with ease. Durable silicone spatulas, spatulas, egg beaters and other kitchenware, due to their soft texture, will not scratch the non-stick coating of the pan and have become powerful assistants in the kitchen. Even for food storage containers and sealed LIDS, liquid silicone can provide excellent sealing performance, keeping the food fresh. Iii. "Invisible Guardians" in Electronic Products: Balancing Protection and Performance With the rapid development of electronic products, the requirements for protective materials are also getting higher and higher. Liquid silicone rubber has become an important material in the field of electronic products due to its excellent insulation, shock absorption and vibration damping capabilities, weather resistance and plasticity. For instance, the protective cases for smartphones and tablets not only offer solid protection but also provide a more comfortable touch. In accessories such as headphones and data cables, liquid silicone is used to make the insulation layer and protective sleeve of the wires, which can effectively prevent breakage and wear. In more sophisticated electronic devices, liquid silicone rubber is also used as sealing parts, shock-absorbing pads, and even potting materials, providing reliable protection for sensitive electronic components, preventing the intrusion of dust and moisture, and absorbing the vibrations generated during operation, thereby extending the service life of the equipment. Four. The "Touch of Life" in the Medical and Health Field: Ensuring Precision, Safety and Reliability. In the medical and health field, which has extreme requirements for the purity and safety of materials, liquid silicone plays a crucial role. It is widely used in the manufacture of various medical devices, such as catheters, infusion tubes, artificial organ components, and handles for surgical instruments. Its excellent biocompatibility means that it will not cause rejection reactions in the human body and can be safely implanted or come into contact with the human body. The high transparency and flexibility of liquid silicone also facilitate doctors' observation and operation. In rehabilitation devices such as hearing AIDS and prosthetic limbs, liquid silicone also plays a significant role, providing users with a comfortable and snappy wearing experience. V. "Sealing and Lubrication" in the Automotive Industry: The Key to Enhancing Performance and Durability. Every smooth operation of a car is inseparable from the silent efforts of various sealing and shock-absorbing components. Liquid silicone rubber, with its outstanding resistance to high and low temperatures, oil and weather, holds an important position in the automotive industry. It is used to manufacture various sealing rings and O-rings, which are applied in key parts such as engines, gearboxes, and braking systems, effectively preventing the leakage of oil and coolant and resisting external contamination. Liquid silicone is also used as shock absorbers and cushioning pads to absorb the vibrations caused by road bumps and enhance the comfort of driving and riding. In some high-performance automobiles, liquid silicone is even used to manufacture components such as turbocharger pipelines that are subject to high temperatures and pressures. Vi. "Precision and Efficiency" in Industrial Manufacturing: The Driving Force for Innovating Production Processes The precision injection molding process of liquid silicone rubber has brought unprecedented efficiency and precision to industrial manufacturing. It can easily replicate the complex details of molds and produce components with precise dimensions and smooth surfaces. In industrial robots and automated equipment, liquid silicone rubber is used to manufacture various precision seals, connectors and buffer parts, ensuring the stable operation and long service life of the equipment. In some special industrial applications, such as components that require wear resistance and corrosion resistance, liquid silicone rubber can also meet the strict usage requirements through formula adjustment. From infant and toddler products that have accompanied us as we grew up, to busy kitchens, to sophisticated electronic devices and cutting-edge medical equipment, liquid silicone, with its unique charm of "not just silicon, but glue", is imperceptibly enhancing our quality of life and driving technological progress. It is not merely a material, but a solution, an exploration and practice of the infinite possibilities of the future.