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Are PVC or Rubber Boots Better? - A Comprehensive Comparison
PVC safety boots are widely used in various industries for their exceptional durability and resistance to chemicals. These boots are constructed from polyvinyl chloride (PVC), a synthetic plastic polymer known for its toughness. When it comes to the workplace, PVC safety boots provide excellent protection against impact, punctures, and electrical hazards.
On the other hand, rubber safety boots are also highly regarded for their strength and flexibility. Made from natural or synthetic rubber materials, these boots offer excellent insulation, making them particularly suitable for electrical work. Rubber safety boots are also resistant to water, acids, and oils, ensuring optimum protection in various environments.
When determining whether PVC or rubber boots are better, it's essential to consider the specific requirements and potential risks in your industry, such as the food industry.
PVC safety boots are widely recommended for the food industry due to their exceptional resistance to chemicals and contaminants. These boots can withstand exposure to oils, fats, detergents, and various cleaning substances typically found in food processing environments. Additionally, PVC safety boots are easy to clean and maintain, ensuring a high level of hygiene essential in the food industry.
While PVC boots excel in chemical resistance, rubber safety boots are preferred in certain food industry applications. Natural rubber boots offer excellent slip resistance, reducing the risk of accidents in slippery conditions. Rubber boots may also have a lower risk of contamination compared to PVC boots, especially if they have a smooth surface that is easier to clean thoroughly.
In conclusion, both PVC and rubber safety boots have their advantages depending on the specific industry and requirements. PVC boots are ideal for their exceptional chemical resistance, making them popular in various workplaces, including the food industry. However, rubber boots, with their excellent slip resistance and potentially lower contamination risk, are also valuable in specific food industry applications.
Whether you choose PVC or rubber safety boots, always ensure they meet the required safety standards and certifications. Prioritize comfort, proper fit, and additional features like toe protection or electrical hazard resistance to ensure the utmost safety and work satisfaction for the wearer.
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Rubber and PVC are close and sharp competitors in the footwear industry. The two materials are often used to create the classic wellington style boot as well as encasing shoes as an outsole. But which material is better for your feet? That&#;s a tricky question, at first glance both PVC and rubber look almost identical, but a closer look allows the differences to shine through. The differences may seem small but can have huge consequences on your wearing experience.
The most obvious difference between the two materials becomes apparent once they are touched. PVC stands for Polyvinyl Chloride and is a substance made up of plastic. This makes it less dense than rubber and equally more affordable. The affordability and ability to manipulate the material makes it a cost-friendly alternative to rubber for many manufacturers.
However, this comes at a price, PVC can be quite stiff in comparison to rubber and consequently leads to harsh and sharp edges which can cause discomfort against skin. Additionally, it is also less durable than rubber, which contains natural latex making it more flexible. To make up for this, manufacturers occasionally incorporate rubber into PVC to rectify these aspects whilst being able to maintain a lower price range.
Conversely, rubber is a near completely natural material, produced from the sap gathered from rubber trees in the tropics. This tree-derived production process is more eco-friendly than the process of PVC, making it less harsh on the environment. Additionally, natural rubber is biodegradable unlike artificial materials like PVC.
Thanks to the natural latex in rubber making it flexible and naturally comfortable, rubber moves with you instead of against you. For this reason, rubber makes a good option for desert boots and is a prized material for other types of soles. The increased durability of such a material brings a long-term value. While PVC is cheaper on the immediate purchase, it has been proven to fall apart more readily than rubber, meaning repairs and replacement push up the price over time.
Materials used for the manufacture of soles
The sole is one of the most important parts of the shoe, which protects it from wear and largely determines its service life. It is the sole that is subjected to intense mechanical stress, abrasion on the ground and repeated deformations. Therefore, the materials used for the manufacture of soles should be as resistant to environmental influences as possible. In this article I will tell you what materials the sole can be made of and what are the advantages and disadvantages of each of them.
Outsole Mounting Methods
There are two main methods for attaching soles: glue and injection. But contrary to popular belief, the fastening technology does not affect the consumer properties of shoes. The glue method is used for classic and model weekend shoes, most often on leather or tunne soles. In the manufacture of comfortable shoes for everyday wear, the injection method is most often used.
Soles made of different materials are characterized by different methods of fastening. Soles made of polyurethane are most often made by direct casting, but in rare cases, the pre-molded sole is glued to the top. Soles from TPU are obtained by injection molding at high temperature under pressure. Also made of thermopolyurethane heels. The bottom of thermoplastic elastomer is molded by injection molding, and then glued. PVC soles are most often fixed by injection molding in the manufacture of shoes for outdoor activities and everyday wear. EVA soles are attached to the top of the shoe only by injection molding, and tunit and leather soles are only glued. For TPR, both options can be applied.
Soles made of polyurethane (PU, PU)
Advantages: Polyurethane has good operational properties: it weighs little, since it has a porous structure, is well resistant to abrasion, flexible, has excellent shock absorption and good thermal insulation. The soles made of polyurethane are light and flexible, therefore they are used in shoes where these characteristics are of particular importance.
Disadvantages: The porous structure of polyurethane is also a kind of flip side of the coin. For example, because of it, the polyurethane sole has poor adhesion to snow and ice, so winter shoes with PU soles slip very much. Also a minus is the high density of the material and loss of elasticity at low (from -20 degrees) temperatures. The consequence of this is faults in the places of the bend of the sole, the rate of occurrence of which depends on the characteristics of the operation of the shoe, in particular, on the person&#;s gait, degree of mobility and other factors.
Polyurethane Soles (TPU, TPU)
Advantages: Polyurethane has a fairly high density, so that it is possible to make soles with a deep tread from it, which provide excellent traction. Also, the advantages of TPU are high wear resistance and resistance to deformation, including cuts and punctures.
Disadvantages: The high density of polyurethane is at the same time its drawback, because because of this the weight of the thermo-polyurethane sole is quite large, and the elasticity and thermal insulation leave much to be desired. To improve these characteristics, TPUs are often combined with polyurethane, thereby achieving a reduction in the weight of the sole, increasing its thermal insulation and elasticity. This method is called two-composition molding, and it is quite simple to find out: the sole made using this technology consists of two layers, and the upper layer is made of polyurethane (PU), and the lower one in contact with the ground is made of polyurethane.
Thermoplastic soles (TEP, TRP)
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Advantages: This material can be considered year-round. It is durable, flexible, resistant to frost and wear. TEP provides good cushioning and traction. Thanks to the manufacturing technology of soles from TEC, its outer layer is monolithic, which provides strength and the internal volume is porous, retaining heat. Thermoelastoplast can be recycled, which means that its use in the soles saves resources and does not pollute the environment.
Disadvantages: At high and very low temperatures (above 50 degrees and below -45 degrees) TEP loses its properties, so it is used only in everyday shoes and, by the way, is rarely used for special shoes.
Soles made of polyvinyl chloride (PVC)
Advantages: PVC soles resist abrasion, are resistant to aggressive environments and are easy to manufacture. They are often used in home and children's shoes, and earlier they were especially widely used for special shoes, since when mixed with rubber, PVC receives properties such as oil and gas resistance.
Disadvantages: PVC is used only in the manufacture of casual shoes for autumn or spring, because this material has a large mass and low frost resistance, not withstanding temperatures below -20 degrees. In addition, the PVC sole does not attach well to the leather upper of the shoe, so quality leather shoes with a PVC sole are complex and expensive to manufacture.
Ethylene vinyl acetate soles (EVA)
Advantages: EVA is a very lightweight material with good cushioning properties. It is used mainly in children's, home, summer and beach shoes, and in sports shoes - in the form of inserts, because it is able to absorb and distribute shock loads.
Disadvantages: Over time, EVA soles lose their cushioning properties. This is due to the fact that the pore walls are destroyed, and the entire mass of EVA becomes flatter and less elastic. Also, EVA is not suitable as a material for winter shoes, since this material is very slippery and unstable to frost.
Thermoplastic rubber soles (TPR, TPR)
Thermoplastic rubber - This is shoe rubber made from synthetic rubber, which is stronger than natural rubber, but no less elastic. However, modern technology allows using various additives to increase its flexibility.
Advantages: Thermoplastic rubber has a low density and, accordingly, a lower mass than other materials. There are no through pores in it, so moisture does not pass through it. However, there are surface pores in the TPR, and they provide high thermal protection. In addition, TPR, like other porous rubbers, is an elastic material that provides good cushioning properties. Thanks to this characteristic, shoes with soles made of TPD relieve unnecessary stress on the legs and spine.
Disadvantages: The low density of the material can be not only a virtue, but also a disadvantage. In the case of TPR, it leads to the fact that the sole of this material does not differ in particularly outstanding heat-shielding properties. In addition, in wet and frosty weather, the thermoplastic rubber sole slides heavily.
Soles made of leather (leather)
Advantages: Leather sole is used in all types of shoes, including children's, home and model all seasons. Leather-soled shoes look great and allow the foot to breathe, as it is a natural membrane.
Disadvantages: When worn in wet weather, the leather sole may be deformed, and care of it implies the constant use of special sprays and impregnations. The leather has low wear resistance, so the installation of prophylaxis is recommended on leather soles, and for winter shoes it is mandatory, otherwise without it the sole will slide on ice and snow and deform even faster.
Tunit soles (tunit)
Tunit - This is a rubber with the inclusion of leather fibers, so the second name of this material is &#;leather jacket&#;.
Advantages: In appearance, hardness and ductility, tunitic soles are similar to leather ones, but they behave better in operation: they almost do not wear out and do not get wet. It is easy to apply relief to such soles, which gives them a slightly greater grip on the surface than the leather.
Disadvantages: But even so, shoes with tunit soles are very slippery due to the high stiffness of the material. Therefore, tunit is used in the manufacture of only summer and spring-autumn shoes with the adhesive method of fastening.
Soles made of wood (wood)
Advantages: Wood is an environmentally friendly and very hygienic material, and wooden soles have an original appearance. However, recently instead of wood, glued plywood has been used more often for making shoes. It can be made of birch, oak, beech or linden wood, and as a material it is easier to machine, is well formed and inexpensively. Soles using cork material are also popular. When dealing with them, you need to understand that cork, because of its natural softness, cannot serve as the main material for making soles, so cork is used only for decorative covering.
Disadvantages: Wooden soles are tough, wear out quickly and have poor water resistance. In the manufacture of such soles, a lot of material is consumed. Tight cork is prone to steps and defects due to the softness of the material.
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