What is a class a mask?
In the descriptions of the filter filtering half-mask (hereinafter filtracyjnymi) it is often possible to meet the class designation. He refers to the European standard, which defines how high the level of protection the mask provides. Most common first class (FFP1) provides 80-percent efficiency of filtration and effectively stops present in the air particulate matter. Protective masks belonging to this class fit perfectly, in most everyday applications – both during the workshops and home repairs. For comparison, the products of the third class (FFP3) is intended for use with a higher concentration of dust in the air, provide 99% filtration efficiency, but stronger also hinder gas exchange. The breathing protective mask is because of what the user experiences more resistance when pulling air, so you should use a respirator filter that corresponds to real needs at work.
Respirators and półmaski filtrująco-absorbing
Another issue that should be considered when choosing a protective mask is its type. In the case of traditional filtering half masks will often mask filter, i.e., to stop the solid particles, but not for protection from harmful gases. In the case of these protective products on the market you can find two types of masks: smooth and equipped with exhaust valve. Mask filtrująco-consuming has a completely different look (at first glance, it can communicate with member of military gas mask, for attendance at the CWP). This kind of protective products, air conditioning, in addition to the layer absorbing harmful gases – even as toxic as ammonia or mercury vapor. Mask filtrująco-moisture intended for specialized applications are also significantly more expensive.
How to choose a face mask?
During the selection of a suitable protective mask, you should consider the type of work in which it is used. Masks are products that are needed in some situations, the rules of safety and occupational health – in this case, it is possible a very accurate determination of the concentration and type of dust. However, if you intend carrying out works in our own workshop or in the house, suitable for You will be the most protective mask 1 class (FFP1). The store Botland you will find, for example, sets of filtering half masks filter brand Vorel, Packed by 5 pieces. These products protect from both dust and smoke or fog. Can be used during repair and construction works, but also in agriculture and the food industry. Protective masks are intended for use in a wide range of temperatures (from -20°C to 40°C) and at relative humidity up to 90%. The edges of masks adapted to the anatomical shape of the face, so that the product adheres perfectly to the skin. Additional relief panel with the rubber bands holding the protective mask in the correct position. It is worth remembering that the majority of filters of a gas mask is intended for single use that provides the desired level of hygiene.