Development of personal protective equipment for the COVID-19 pandemic in Thailand and technical aspects of testing gown materials

Visarut Buranasudja, Anongnat Somwangthanaroj, Suched Likitlersuang, Tirawat Boonyatee, Chartchalerm Isarankura-Na-Ayudhya, Jittima Amie Luckanagul

Table 1 Test methods for EN14126:2003

Test method Test description Types of contaminations Approximate contaminant size ISO 16603 Determination of the resistance of protective clothing materials to penetration by blood and body fluids Synthetic blood - ISO 16604 Determination of the resistance of protective clothing materials to penetration by blood-borne pathogens Phi-X 174 bacteriophage 0.03 mm28 ISO 22610 Determination of the resistance to wet bacterial penetration Bacillus atrophaeus contaminated liquid 1.0-1.6 mm (length); 0.6-0.9 mm (diameter)29 ISO/DIS 22611 Determination of the resistance to penetration by biologically contaminated aerosols Staphylococcus aureus contaminated aerosols 1 mm30 ISO 22612 Determination of resistance to dry microbial penetration Bacillus subtilis contaminated talcum powder 0.9-1.5 mm (length); 0.4-0.7 mm (diameter)29