Manufacture of simple personal protective equipment

1n order to make simple protective equipment, the selected materials should be anti-virus, the filtering area of the equipment should be large, and the air flow distribution should be uniform< (1) simple gas mask the simple gas mask is composed of a filter tank and a gas mask. The filter tank is filled with filter and smoke filter materials. The manufacturing steps are as follows: 1. Select filter materials. The commonly used materials for adsorbing toxic vapor are lime soil particles, sawdust is commonly used as smoke filtering materials, and cotton mat and cotton fabric with certain thickness have better smoke filtering effect. The insulation material for mask production should be soft and airtight materials with certain strength, such as rubber cloth, artificial leather, etc