If traditional ink is the brush of the flat world, then liquid silicone silk screen printing is the carving knife of the three-dimensional world. This two-component liquid silicone rubber material, catalyzed by platinum, is sparking a silent revolution in high-end manufacturing fields such as consumer electronics, medical devices, and automotive components.

The core advantage of liquid silicone screen printing lies in its excellent physical properties. Its main chain structure is a silicon oxygen bond, without double bonds, so it is not easily decomposed by ultraviolet light and ozone, and its service life can reach decades or even hundreds of years in natural environments. The cured pattern has multiple characteristics such as high and low temperature resistance, tear resistance, good resilience, yellowing resistance, and excellent electrical insulation. The linear shrinkage rate is usually less than 0.5%, and the product consistency is extremely high. In the field of consumer electronics, which accounts for over 45% of the market share of silk screen silicone, the demand for high-precision, wear-resistant, and high-temperature resistant silk screen silicone continues to rise in smartphones, tablets, and wearable devices. The application of conductive silicone ink in touch screen button printing has exceeded 70%.

From a technical perspective, silk screen liquid silicone can be divided into two categories: two-component systems that require baking and single component systems that do not require baking. Two component silicone needs to be mixed in proportion with components A and B before use. The baking temperature is usually between 120 and 160 degrees Celsius, which is suitable for long-term production and is not easy to clog the mesh. However, it is not friendly to materials that cannot withstand high temperatures. Single component silicone can be naturally dried in six to ten minutes after printing, suitable for special materials, but it is prone to clogging and waste. Special attention should be paid during operation: avoid contact with compounds containing nitrogen, phosphorus, sulfur elements, as well as compounds containing acetylene and vinyl groups, to prevent platinum catalyst poisoning and non solidification; At the same time, it should be kept away from organotin catalysts to prevent catalyst failure.

Currently, China has become the world's largest producer and consumer of silk screen silicone, with a market share of over 60%. From 2016 to 2023, the production capacity of China's liquid silicone rubber industry has increased from 143000 tons per year to about 186000 tons per year, and the output has increased from 93000 tons to about 122000 tons, with an average annual growth rate of over 20%. With the development of emerging technologies such as 5G, IoT, and smart wearables, the application of silk screen silicone in cutting-edge fields such as sensors, flexible screens, and AR/VR devices is gradually expanding. This material revolution about precision and endurance has just begun.

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