Recently, the national patent achievement “Hydraulic and Breathable Shoemaking Technology†researched and developed by the Hengda Group Corporation was awarded the “Shandong Provincial Science and Technology Progress Second Prize†by the Shandong Provincial People’s Government, and once again witnessed the company’s solid strength in technological innovation.
In a survey conducted on consumers, Hengda Footwear found that 69.3% of consumers want a pair of leather shoes that are both breathable, waterproof, and have good non-slip performance. However, the current domestic and foreign footwear products have a waterproof and breathable function. Both have poor slip resistance and defects. In order to meet the needs of consumers, Hengda Group has specially developed a waterproof and breathable shoemaking technology.
The waterproof and breathable technology of space suturing technology, dot glue hot melt compound technology, vacuum vulcanization and stereotyped technology and many other technologies are used, and the waterproof and moisture permeability index is as high as 3500, far higher than the international 3,000 index, even if the upper has seams. There will be no flooding problems. Products can achieve minus 20 degrees twists and turns 40,000 times without breaking, far higher than the international 20,000 indicators, greatly enhancing the product's firmness and comfort, to fill the gaps in the market and increase the added value of products. In addition, the thermoplastic film used in this technology can be recycled and buried, free to decompose, free from environmental pollution, and achieve a double harvest of social and economic benefits.