Liquid silica gel (LSR) is a non-toxic, heat-resistant, highly resilient, flexible thermosetting transparent organic silicone with excellent transparency, tear strength, resilience, yellowing resistance, thermal stability, water resistance and breathability. Good properties, heat aging resistance and weather resistance, while the viscosity is moderate, easy to operate, and the product has high transparency.


Based on its diverse capabilities, LSR is used in a variety of industries, such as automotive, sports, medical equipment and consumer products.
3D printing demand growth


Typically, large-scale production of LSR components is primarily injection molded through a specific injection molding machine. Since the process requires more time and cost, small-scale production and prototyping are usually done by hand casting using mold plates, RTV rubber or soft metal.


While machining molds overcome these challenges, they are more expensive, time consuming, and labor intensive than RTV molds. In addition, due to the complexity of LSR component design, machining has its limitations.


In this case, making LSR using 3D printing is an attractive option because 3D printing is less expensive, more efficient, and capable of producing more accurate parts.


Making footwear customization projects using LSR 3D printing technology


Recently, Dow has made new progress in 3D printing liquid silicone technology. The company has cooperated with ECCO to launch a breakthrough 3D printing liquid silicone for footwear customization projects.


ECCO, Dow and Dassault Systèmes introduced the QUANT-U footwear customization project at the ECCO Shoes Spring/Summer Preview press conference held on January 29-30 in Tokyo, Japan.


It is reported that QUANT-U is an experimental footwear customization project of ECCO Independent Interdisciplinary Design Studio Innovation Lab (ILE).


This pioneering service combines customer biomechanical data, Dow SILASTIC 3D 3335 Liquid Silicone (LSR), and 3D printing (additive manufacturing) technology to produce a silicone interlayer suitable for consumer foot shape and natural movement.
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