In the workplace, people may be exposed to high temperatures and/or flames. Under such circumstances, appropriate protective clothing should be given to them. Therefore, such protective clothing should be selected correctly. The purchaser should know this. The protective effect of a protective clothing.
The purpose of using such protective clothing is to allow people to work under the protection of such protective clothing in an environment that may be at risk of injury or death. If the purchased protective clothing does not meet the required specifications, it may result in serious injury or death to the wearer.
People who want to purchase a personal or household item generally consult the characteristics of the product and the performance of the product they require before purchasing it. Usually he will explain to the salesman his requirements in detail, and he hopes to have enough understanding of the product to be purchased, so that it can distinguish whether the seller's introduction of the product is based on.
On the other hand, when purchasing a life-saving item, the purchaser knows very little about the characteristics of the requested product. Usually the seller's introduction to the product is accepted without question. Perhaps this is because in this area of ​​activity, the buyer does not know what to ask, and the buyer should know that all personal protective equipment (PPE) purchases have international minimum specifications.
1 The role of protective clothing
The role of protective clothing is to act as a fire shield when exposed to a flame, that is, a barrier between the wearer and the flame, to isolate the heat emitted from the flame and the heat source. It should also protect the wearer when they escape heat and flame burning. The protective effect of such protective clothing for the wearer should be consistent with the potential hazards they face during exposure, escape, and the service life of the protective clothing. They should not burn, melt, or break when in contact with flames. . It should also provide mechanical protection against tears, abrasions, open seams, and, depending on the intended use, it also needs to provide protection against weather changes and chemical substances.
Once the protection failure has fatal consequences, the source of the product is particularly critical. It must be checked and tested continuously before it can be guaranteed to the manufacturer, purchaser and user that the purchased protective clothing is indeed suitable for the purpose. This means that you can receive the expected results in the expected environment.
The final production of protective clothing is a result of passing through the “value chainâ€; that is, a series of activities in which the product passes through each stage of the production process and gradually transforms raw materials into finished products in each stage. Some organizations that produce high-quality products have a good reputation. They strictly enforce performance and quality standards from the beginning to the end of the value chain in order to deliver finished products to users.
2 protective clothing production steps
The value chain of high-temperature, flame protective clothing begins with fibers; the fibers are spun into yarns, which are then made into fabrics, which are finally made into protective clothing.
(1) Fiber. Fiber is the basic element of fabrics and other textile structures. The meta-aromatic polyamide in the chemical family is a type of fiber that is widely used in high-temperature, flame-resistant garments. It is characterized by high strength, particularly high temperature resistance and excellent flame performance. Well-known meta-aramid fibers for high-temperature, flame-resistant garments include Kermel, Conax, Conex, and Nomek. Nomex.
(2) Yarn. The original form of fiber can not be used for protective clothing. In order to achieve this goal, they must be converted into yarns. The process of forming yarns is spinning, which is to twist fibers together to form yarns. Yarns are used to weave fabrics and can also be used to make threads that sewn together to form protective clothing. Meta-aramid fibers can be spun into meta-aramid yarns.
(3) Fabrics. The change from yarn to fabric is a physical change. When flame-retardant fibers are used to produce high-temperature, flame protective clothing fabrics, other factors should be considered in accordance with the ultimate use of protective clothing. These factors include structure, weight, comfort, strength, elasticity, and color. There are also some factors that need to be considered, such as water resistance, chemical resistance, visibility and anti-static. Blending fabrics made of meta-aramid yarns with other special high-quality fibers can provide these required functions in the fabric and use it in protective clothing during the second phase of the value chain.
(4) protective clothing. The protective clothing manufacturer designs the features that the buyer may require into the protective clothing, such as the type and location of the pocket and the threshold system. For high-temperature, flame-protective clothing, the designer must ensure that the wearer is designed to protect the body's upper and lower torso when the wearer is surrounded by flame accidents, including the arm to the wrist and the leg to the foot. Lines used to sewn key parts of protective clothing should also be made of meta-aromatic polyamide or other high temperature resistant yarns. If the suture used in the main suture of the protective suit does not have such characteristics, the flame will melt or burn upon contact with the flame, and the protective clothing will be torn apart, which may expose the wearer to direct contact with the flame and heat source.
In every stage of the value chain, manufacturers with a good reputation will continue sampling and testing to test the product's protection and quality. During the production of protective clothing, protective clothing has to be tested and certified by independent laboratories, reaching the standards set by the European Committee for Standardization (CEN), the National Fire Protection Association (NFPA) or the International Organization for Standardization (ISO) for such protective clothing. standard. Such a test is a destructive test on fabrics and or protective clothing, so protective clothing manufacturers need to be able to fully demonstrate the protective clothing that passed the relevant CEN, NFPA, and ISO tests with the same design, composition and quality of fabrics. It is produced by the manufacturer according to the usual standards. this point is very important.
Throughout the value chain, many well-known manufacturers have demonstrated their commitment to quality through the internationally certified quality management system ISO9001 standard. In order to retain ISO 9001 certification, some organizations must regularly undergo scrutiny by state-approved certification bodies. In order to undertake this work, these certification bodies also need certification from national and/or international certification bodies.
3 for sale to users
In the quality value chain, there is no phase change until the manufacturer is satisfied with the level of quality of the product to be accepted or entered into the next phase of the value chain. Each agency responsible for each stage of the value chain should present third-party quality certification in production and other activities. This means that when the final stage of the value chain arrives and a purchasing decision can be made, potential buyers can determine product quality along the value chain from the beginning of the production process to the final product.
After purchase, the user should pay attention to inspection, maintenance and maintenance in the use of protective clothing operation procedures. Unless the protective clothing purchased has internationally recognized quality and the minimum performance standards required by CEN, NFPA, and ISO, all efforts to control the protective capabilities of protective apparel use will be lost.
There are requirements around the world to protect the health and safety of company employees. Employers also have a responsibility to ensure the safety of employees. This is often overlooked by the purchasing department. They do not know the risks of incidents and accidents, so they will negate the end-user sector on the issue of costs.
The person who makes the decision to purchase a protective suit is the person who sets the organizational parameters for the suit wearer. Therefore, decision-makers should have certain knowledge of risk and understand what protective clothing should protect. Before selecting protective clothing, they should conduct risk assessments for workplaces and determine the type of “fitting purpose†protective clothing for employees wearing protective clothing.
If the purchaser has any concerns about the product certification presented by the supplier, including the validity of the ISO9001 certification requirements, they should contact the issuing authority of the certification to check the validity of the certification and confirm the authenticity of the certification. And whether during the validity period, check the certification for any changes, for example, remove the identity of the manufacturer in any link in the value chain. Prestigious certification bodies are willing to answer any questions and encourage purchasers or users to take such action.
Buyers should realize that they are the important decision-makers of the purchase decision - the buyer ultimately decides whether to purchase. Similarly, the buyer should make the necessary requirements to the supplier to prove that what they have purchased is exactly what they want to buy. Any reputable producer and supplier are happy to follow this requirement.
So I said to buyers that “self-careers†really want to protect the lives of those who wear the clothes you buy.
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