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Is it appropriate to use polyurethane adhesive in shoemaking industry?

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In 2016, China produced about 25 billion pairs of shoes. Remove 12 billion pairs of plastic shoes, no adhesive, the rest of the shoes, travel shoes, shoes and cloth shoes are required adhesive.
Among all kinds of adhesive used in shoes, it is essential to adhere to the outsole:
1 、 sizing process is simple, easy to operate, flexible use cycle adjustable.
2, the adhesive layer has sufficient resistance to bending, heat resistance, water resistance, cold resistance, for light colored shoes outsole glue also requires yellowing resistance, for bonding PVC material requirements plasticizer;
3, the time to reach the final bonding strength is short;
4. It has enough adhesive strength for dissimilar materials to adapt to the application of new materials;
5, lower toxicity to meet the requirements of relevant laws and regulations;
6, proper drying speed, good initial adhesive force to meet the needs of high-speed production;

Folding resistance, friction resistance, adhesive bonding, color fade, peel, tear and other related tests, can use the peel strength test machine, initial viscosity tester, yellowing resistance tester, high temperature resistance and friction test instruments, can also consult the relevant instruments, as well as the product of national standard test items.

Polyurethane adhesive

At present, adhesives for adhesive outsole are mainly polyurethane and neoprene, both at home and abroad.
Neoprene can be used on less demanding shoe making occasions. Chloroprene latex is especially suitable for the preparation of leather shoes lasting glue, it can bind the sole, toe, canvas, synthetic fiber, for rubber overshoes edge bonding and smooth edges, process performance can fully meet the requirements. Polyurethane adhesive for shoes, each pair of shoes coating less than half of neoprene. Therefore, from the economic accounting, shoe industry using polyurethane adhesive is also cost-effective.


Official website:http://en.kejian-tech.com/
Adhesive website:http://www.kinsgeo.com/en/

Alibaba: http://kejian-tech.en.alibaba.com/   https://kejiantest.en.alibaba.com/

Trade website:http://www.universal-testingmachines.com/