Protective clothing for medical is one of the relatively hot products this year. In particular, the sudden outbreak of the COVID-19 epidemic caused the stock of protective clothing at home and abroad depleted. In the face of severe infectious diseases, the importance of protective clothing as a safety barrier for front-line medical personnel is self-evident. Therefore, the quality requirements of protection in the market are stringent, and quality control for security is also a top priority for enterprises and regulatory authorities. So what indices should be tested for protective clothing for medical use?
In the current situation where the COVID-19 epidemic is still raging, protective clothing for medical is necessary protective clothing to ensure the safety of medical staff, public health workers, patients, and people entering the infected area due to hospital visits. It is also used for the isolation of germs, harmful ultrafine dust, acid and alkaline solutions, etc., to ensure the life and work safety of related personnel while keeping the environment clean.
The performance indices of protective clothing for medical mainly refer to protective properties, comfort, physical and mechanical properties, etc. Protective properties are the most critical performance requirement of protective clothing for medical-mainly including liquid barrier, microbial barrier and particulate matter barrier, etc. Comfort mainly refers to breathability and moisture permeability. In order to enhance the protective effect, the protective clothing fabric is usually laminated or covered with a film, which is heavy with poor air and moisture permeability. Long-term wear must be able to have good air and moisture permeability, wick away sweat and heat. Physical and mechanical properties mainly refer to the requirements of materials with tear resistance, puncture resistance, and abrasion resistance for protective clothing for medical use to avoid providing channels for the spread of bacteria and viruses.
The materials of disposable protective clothing for medical use require micro-nano-level materials, water, blood and alcohol repellency, and anti-static electricity. This composite material can be combined by different materials, such as polyethylene/polypropylene spunbond nonwoven fabric or combining with breathable microporous film or other nonwoven fabric, or spunlace nonwoven fabric combining with breathable microporous film, or wood pulp combining with spunlaced nonwovens. In addition, some membrane materials made of PTFE can be used in the production of high-end protective clothing fabrics. In the composite of these materials, the breathable microporous film is significant.
The so-called breathable film is a kind of functional inorganic product that is uniformly mixed into polyolefin raw materials. This process enables the product to produce pores due to high-stretching during the film-forming process so that it has the functions of air permeability and moisture conduction.
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