Effects of aging, wiping and humidity on surface resistivity of polyethylene and polypropylene boxes

Author

Lesniewski, Tom

Author_Institution

TRW Space & Electron. Group, Redondo Beach, CA, USA

fYear

1999

fDate

28-30 Sept. 1999

Firstpage

276

Lastpage

281

Abstract

Measurements were made to determine the effects of aging, wiping and humidity on the surface resistivity of blue surfactant-added polyethylene and polypropylene tote boxes. Over 100 samples with lot date codes between 1984 and 1997, made by several different manufacturers, were tested from the current stock of totes used in manufacturing and storage areas. Without exception, the totes had surface resistivity less than 10/sup 12/ /spl Omega//square when measured in situ at 45-55% humidity per ANSI/EOS/ESD-S11.11-1993. There was no correlation between surface resistivity and age of the totes. It was concluded that the service life of the totes in current stock is greater than 10 years.

Keywords

ageing; electrical resistivity; electrostatic discharge; humidity; plastic packaging; surface cleaning; surface conductivity; surfactants; 10 yr; ANSI/EOS/ESD-S11.11-1993 standard; aging; aging effects; blue surfactant-added polyethylene tote boxes; blue surfactant-added polypropylene tote boxes; humidity; humidity effects; lot date codes; manufacturing areas; polyethylene boxes; polypropylene boxes; service life; storage areas; surface resistivity; wiping effects; Aging; Conductivity; Electrical resistance measurement; Electrostatic discharge; Humidity measurement; Instruments; Manufacturing; Polyethylene; Protection; Testing;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical Overstress/Electrostatic Discharge Symposium Proceedings, 1999

Conference_Location

Orlando, FL, USA

Print_ISBN

1-58637-007-X

Type

conf

DOI

10.1109/EOSESD.1999.819071

Filename

819071