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

doi:10.3877/cma.j.issn.2096-112X.2021.01.002

Biomaterials Translational ›› 2021, Vol. 2 ›› Issue (1): 3-9.doi: 10.3877/cma.j.issn.2096-112X.2021.01.002

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

Visarut Buranasudja¹, Anongnat Somwangthanaroj², Suched Likitlersuang³, Tirawat Boonyatee³, Chartchalerm Isarankura-Na-Ayudhya⁴, Jittima Amie Luckanagul⁵^,^*()

1 Department of Pharmacology and Physiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok Thailand
2 Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, Thailand
3 Centre of Excellence in Geotechnical and Geoenvironmental Engineering, Department of Civil Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, Thailand
4 Department of Clinical Microbiology and Applied Technology, Faculty of Medical Technology, Mahidol University, Bangkok, Thailand
5 Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand

Received:2021-03-10 Revised:2021-03-22 Accepted:2021-03-23 Online:2021-03-31 Published:2021-03-28
Contact: Jittima Amie Luckanagul E-mail:jittima.luck@gmail.com;jittima.L@pharm.chula.ac.th

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References 40

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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

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

Test method	Test description	Challenge liquid
AATCC 42	Water resistance: impact penetration	Water
AATCC 127	Water resistance: hydrostatic pressure	Water
ASTM F1670	Determination of the resistance of protective clothing materials to penetration by synthetic blood	Synthetic blood
ASTM F1671	Determination of the resistance of protective clothing materials to penetration by blood-borne pathogens	Phi-X 174 bacteriophage

Test method	Test description	Challenge liquid
AATCC 42	Water resistance: impact penetration	Water
AATCC 127	Water resistance: hydrostatic pressure	Water
ASTM F1670	Determination of the resistance of protective clothing materials to penetration by synthetic blood	Synthetic blood
ASTM F1671	Determination of the resistance of protective clothing materials to penetration by blood-borne pathogens	Phi-X 174 bacteriophage

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

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

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