Safety boots
Applications > Shoes
| Safety boots | ||
The safety boots are designed to protect the foot from the impact of blows or crushing and different abrasives of chemicals, are also impermeable to liquids and can be found in its version with steel toe and non-slip sole. There are many factors that affect the chemical resistance of PVC, such as the chemicals used, its concentration, temperatures and durata and / or frequency of exposure. Based on the type of use they can be made in SBS, SESB, EVA or PVC. |  | |
| PVC boots | ||
The low cost and excellent performance of poly (vinyl chloride) make it a very attractive and suitable plastic. However, PVC suffers from poor thermal and light stability. However, PVC suffers from poor thermal and light stability. Under UV irradiation, and in the presence of oxygen and moisture, PVC undergoes a very rapid process of dehydrochlorination and peroxidation with the formation of polyenes. It undergoes rapid autocatalytic dehydrochlorination when exposed to heat and light during its molding and use, respectively. Increase the discoloration of the polymer and change its physical properties. The degradation also causes a drastic change in the mechanical properties of the polymer, which is accompanied by a reduction or increase in molecular weight as a result of chain cleavage or crosslinking of the polymer molecules, respectively. Chemical resistance PVC is resistant to many alcohols, fats, oils and gasoline free of aromatics, inorganic acids, alkalis and almost all inorganic chemicals. Although PVC swells or dissolves in aromatic hydrocarbons, ketones, cyclohexanone, tetrahydrofuran and cyclic ethers, PVC is difficult to dissolve in other organic solvents. PVC will absorb these substances and this will lead to a reduction in strength. It is also resistant to the most common corroded agents such as salts. For these factors usually PVC is mixed with nitrile rubber that improves its resistance to hydrocarbons, fats, blood and temperature variations. |  | |
| SEBS boots | ||
SEBS boots come with sole and cane SEBS, which gives good abrasion properties, with non-slip sole thanks to a natural rubber insert, suitable for freezer camera - 40ºC very resistant to wear. This model of boots is lighter than conventional PVC, TPU or rubber, with optimal insulating capacity. Chemical resistance Low protection against animal fats, blood, hydrocarbons, oil, fuels and oils. Unlike SBS, SEBS does not contain double bonds (which by their nature are sensitive to oxidation), which makes it particularly resistant to wear. Therefore, it is ideal for extreme conditions that have to do with heat, ultraviolet radiation, ozone or oxidizing agents. SEBS are resistant to stress cracking to acids, hydroxides, methanol and ethanol, aliphatic hydrocarbons. On the other hand, they do not resist polar hydrocarbons, aromatic hydrocarbons, carboxylic acid, gasoline, ASTM oil No. 1 Paraffiic, ASTM Aromatic No. 3 oil, fats, toluene and benzene. |  | |
| TPU safety boots | ||
The TPU boots come with TPU sole and cane, which gives it higher abrasion properties, with anti-slip sole thanks to a natural rubber insert, suitable for a freezing chamber - 40ºC, very resistant to wear. This model of boots is lighter than conventional PVC or rubber. In turn, thanks to the porous structure of the polyurethane, the thermal insulation is the best possible, which allows keeping feet warm in winter and cool in summer. Another advantage is its durability. Optimal insulating capacity Chemical resistance They are 3 or 4 times more durable than others with extreme protection against animal fats, blood, hydrocarbons, oil, fuels and oils. They are already attacked at room temperature by acids and concentrated alkaline solutions, but they are resistant at room temperature to acids and dilute alkaline solutions. The contact with saturated hydrocarbons, such as gas oil, iso-octane, petroleum ether, kerosene, reversible swelling occurs almost the original mechanical values. |  | |