When processing molded soles made of thermoplastic rubber (TPE), the adhesive edge does not usually need to be roughened. The surfaces of the soles to be bonded are treated with a halogen solution. Halogen is applied with a brush with a sheared pile. Care should be taken in the dosage of this chlorine-containing product, to avoid overflow on the sole material and the stagnation of the excess in the voids and hollows of the inner profile of the soles.
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According to the classical norms for preparing polyurethane soles for gluing, the adhesive surface of the material must be ruffled. Dust and loose material residues are blown out. The adhesive surface of the soles is washed with specialized cleaners or solvents.
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The nature of formation and production technology of microporous rubber (micropores) and EVA by our suppliers allow fluctuations in a number of geometric parameters in blanks of the same size and article. This is due to the uncontrolled hardening of the sole material. To minimize the negative impacts on your production process, the specialists of our company carry out pair packaging of soles made of microporous rubber and EVA.
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Soles made of leather fiber and wear-resistant synthetic rubber compounds (such as styrene) - shortly before applying the glue, if necessary, ruffle lingering edge, dust removal, gluing is carried out using polychloroprene or polyurethane adhesives, spread 2 times (as a primer it is recommended to use polychloroprene or polyurethane adhesive 12-14% concentration).
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We, as a manufacturer of components and parts of the bottom of shoes, hereby
we define our vision of the basic rules for the installation and fastening of plastic heels by Customers.
