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Safety shoes selection considerations
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First, safety shoes belong to special labor protective equipment, which is managed by the national licensing system and safety mark management system. The state has strict mandatory requirements for the production enterprises and purchasing units of special labor protective shoes.
First, safety shoes belong to special labor protective equipment, which is managed by the national licensing system and safety mark management system. The state has strict mandatory requirements for the production enterprises and purchasing units of special labor protective shoes.
Second, field site visit. This step is very necessary for the bulk purchase of safety shoes units. To the production site of the certified enterprise can understand the strength of the enterprise scale, management level, technical equipment (production and testing equipment), development capacity and whether the enterprise promotional material book or sales staff verbal description consistent. Different enterprises, different equipment to produce the same name of the product, there are certain differences in quality.
Third, the quality of safety shoes (labor insurance shoes) to identify:
1, safety shoes upper material identification: a look: cowhide (leather species, in the leather products industry is people distinguish synthetic leather and a customary name) surface has obvious irregular pattern and natural pores, cold resistance and folding, breathable sweat performance; shift film leather collectively known as natural synthetic leather, is in the natural leather under the loose flesh surface fiber layer on the artificial surface layer, its grain pattern and natural leather similar, but no pores, feel hard, the grain pattern and natural leather. But no pores, hard feel, but better waterproof performance. Second touch: safety shoes feel rich, elastic sense, hand touch no cold feeling for the real leather, feel hard, have a cool feeling most of the shift film leather. Three from the cross-sectional observation: leather cross-sectional no obvious film layer, with the hand scraping its bottom will be found to have lint and the more scraping the longer, which is obvious fiber base (leather base) performance; shifting film leather leather is in the natural leather under the loose flesh surface fiber layer or fiber grinding, by high pressure with adhesive bonding, forming a sheet and then paste the artificial surface layer, scraping the surface layer with a knife, some of the surface layer can be whole small pieces peeled off.
2, safety shoes production process: domestic safety shoes production process is divided into: molding, injection, gluing, sewing. Injection class safety shoes lightweight, high viscosity of the sole and upper, the outsole usually uses polyurethane materials, wear-resistant, waterproof; glued shoes is a long history of production of a traditional process, the general sole using rubber and other materials with shoe glue and upper bonding; sewn car tire bottom shoes and molded process is cheaper belong to the low-grade products.
3, safety shoes of shoe materials: toe protection safety shoes need steel clad toe, anti-puncture safety shoes need steel sole plate, anti-static shoes need anti-static agent and anti-static wire, etc., observation, it is necessary to carry out protective performance tests to understand whether the supplier is in line with the level of licensed products, whether the quality of shoe materials and accessories meet the requirements.
4, product comparison: conventional comparison is divided into 2 ways, one for the finished shoes cross-sectional anatomical comparison, after the comparison of the appearance process, the safety shoes longitudinal surface cut, cut can be clearly observed after the gang surface cross-section, auxiliary material cross-section, sole cross-section, steel head, steel sole plate and the internal structure of the shoe and the internal process, it is worth mentioning here that the density of the single-density sole cross-section is the same, with the hand press harder; double density sole cross-section can Observe the obvious upper and lower 2 layers whose density is not the same, the upper layer has low density, the lower layer has high density, and the elasticity is good by hand; if the sole is molded in two colors, but the cross-sectional density is the same, it also belongs to the single-density category. Second, try on, try on can compare the comfort of safety shoes, through the line, squatting, kicking, heavy stepping and other actions to feel the comfort of the shoes.
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