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Dual Density PU Sole Manufacturing Process - A Detailed Technical Guide

Dual Density Polyurethane (PU/PU) sole manufacturing is one of the most advanced moulded shoe construction technologies used in modern footwear production. This process allows manufacturers to combine two different material characteristics into a single sole unit, delivering both comfort and durability without compromising performance. In a typical dual density construction, the outer layer (outsole) is engineered with high-density polyurethane to … Read the post

TPU and TPR Injected Outsoles Manufacturing Process – Detailed Technical Guide Thermoplastic outsole materials such as TPU (Thermoplastic Polyurethane) and TPR (Thermoplastic Rubber) are widely used in modern footwear manufacturing. These materials combine the elasticity of rubber with the processing advantages of thermoplastics, enabling high-volume production using injection molding technology. Footwear manufacturers use TPU and TPR for producing: Sports shoe outsoles Casual footwear soles Safety shoe outsoles Sandals and slippers Fashion … Read the post Vulcanised Shoe Construction and Manufacturing Process Vulcanised shoe construction is one of the most established footwear manufacturing technologies, and manufacturers widely use it for canvas sneakers, skate shoes, casual footwear, and rubber footwear. In this process, they chemically bond rubber soles to the upper through a controlled vulcanisation reaction. During production, rubber compounds cure under controlled heat, pressure, and time. As a result, the process creates … Read the post