Hot melt adhesive Gangbao: commonly known as Gangbao, scientific name: hot melt adhesive Gangbao, is a new type of high-quality shoemaking material. Using low-temperature hot-melt adhesive Gangbao to replace the traditional shuigangbao to make the front lining and back cover of shoes, the production efficiency is high, the shape of shoes after finalization is straight and round, not easy to deform, the comfort and beauty of shoes are greatly improved, 100% environmental protection products.
Classification of hot melt adhesive harbor
◁ low temperature harbor treasure
It is used to fix the heel under the heel. The material used is a bit like cardboard. It is hard, but glue is used to fix the low-temperature harbor treasure and shoes. Classification of low temperature harbor treasure
Low temperature harbor treasure is generally divided into the following three types according to the material
◁ leather pulp low temperature harbor treasure
The method of soaking and softening is adopted. This kind of low-temperature harbor treasure is made of cow hide and medium sole leather. It is also the former method of softening when making leather shoes by hand. At present, Italian leather shoes are trapped in the traditional idea, and this kind of low-temperature harbor treasure which is not in line with economic benefits is often used
◁ chemical tablet low temperature harbor treasure
In recent years, it is one of the revolutionary shoe materials in footwear industry. Its characteristic is that the soaking solvent can be very soft, which is most conducive to the shaping of shoes, without adding or strengthening any treatment, after drying and cooling, it can achieve the effect of stiffening, which is widely used in the footwear industry. Advantages: low price, easy forming.
◁ hot melt adhesive low temperature harbor treasure
Adopt heating softening method: use heating (about 100-120 degrees) to soften the "hot melt adhesive" pre pressed in front of the shoe lining to facilitate the upper forming. Advantages: fast, thinner, better elasticity than ordinary low-temperature harbor treasure. Disadvantages: the forming is difficult, and the heat degree is not easy to master
In addition, iron sheet and other special materials are also used to make climbing shoes and safety shoes.