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 3 ANSI/AAMI PB70 and EN14126:2003 classification of the level of barrier performance

Level Test methods Criteria ANSI/AAMI PB70 standard 1 AATCC 42 ≤ 4.5 g 2 AATCC 42 ≤ 1.0 g AATCC 127 ≥ 20 cm 3 AATCC 42 ≤ 1.0 g AATCC 127 ≥ 50 cm 4 ASTM F1670 No penetration at 13.8 kPa ASTM F1671 No penetration at 13.8 kPa EN14126:2003 standard 1 ISO 16603 & ISO 16604 0.0 kPa 2 ISO 16603 & ISO 16604 1.75 kPa 3 ISO 16603 & ISO 16604 3.5 kPa 4 ISO 16603 & ISO 16604 7.0 kPa 5 ISO 16603 & ISO 16604 14.0 kPa 6 ISO 16603 & ISO 16604 20.0 kPa