Supercritical fluid foaming technology (SCF) will become the mainstream shoemaking process in 2026, using carbon dioxide and nitrogen to replace traditional AC chemical foaming agents, forming a uniform microporous structure. This technology reduces EVA density to 0.12-0.15 g/cm³, a 40% decrease compared to traditional products, and achieves rebound rates of 65%-75%, far exceeding the 45%-55% of conventional EVA. Footwear technologies such as Anta's nitrogen technology and Li-Ning's Boom are all developed based on modified EVA, with multi-layer composite and gradient density structures widely used. We have achieved mass production of supercritical foamed EVA insoles.
By 2026, the large-scale application of supercritical fluid foaming (SCF) has become a core technological trend and standard process for top manufacturers. This technology uses carbon dioxide and nitrogen as foaming agents to replace traditional AC chemical foaming agents, creating uniform micro-scale cells.
The new process reduces EVA density to 0.12–0.15 g/cm³, a 40% decrease compared to traditional products. Its rebound rate reaches 65%–75%, far higher than the 45%–55% of conventional EVA. Footwear technologies such as ANTA’s Nitro and Li-Ning’s Boom are developed based on modified EVA, driving product upgrades. Multi-layer lamination and gradient density structures are now widely adopted.
We have achieved mass production of supercritical foamed EVA insoles. Customization in rebound, hardness, and surface materials is available to support brand product iteration.
