The protagonist introduced today is the PTFE filter material of children’s masks. This material is safe and has good breathability. The wearer’s physical comfort is better than ordinary masks. It is suitable for sensitive people such as children to wear. Its breathability is far better than ordinary masks. .
It is understood that the standards for adult masks and children’s masks in the group standards are “equal” and equally stringent.
The standard stipulates that the filtration efficiency of children’s masks against particulate matter such as dust, droplets, aerosols, etc. is not less than 90%, and the bacterial filtration efficiency is not less than 95%, which can meet the needs of ordinary consumers for bacterial protection after wearing masks. needs.
At the same time, considering that children are active and have poor autonomous processing capabilities, the flame retardant performance of masks for children is also stipulated. The indicators refer to YY0469-2011 “Medical Surgical Masks” and the burning time after the mask leaves the flame is set. No more than 5 seconds.
The PTFE filter material for children’s masks is made of suspended polytetrafluoroethylene resin, which is molded, sintered, and cooled into a blank, and then turned and rolled.
The membrane has small pore size, uniform distribution and large porosity. While maintaining air circulation, it can filter all dust particles including bacteria to achieve purification and ventilation purposes.
The PTFE filter material of children’s masks is coated on the mask using a special process, which can achieve 99.995% blocking of respiratory dust below 2.5 microns.
The PTFE filter material for children’s masks made by the Suzhou PTFE filter membrane manufacturer through mechanical stretching of PTFE material can ensure the complete retention of bacteria and other impurities, and at the same time have a large flux.
The material is resistant to high temperatures, strong acids and alkali, and has wide chemical applicability. When used for gas filtration, it can 100% intercept various phages, bacteria and particles above 0.02um.
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