Characteristics of Corning Plasticware

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Characteristics of Corning® Plasticware
Authored by: Corning Incorporated Advanced Life Science Products Division, Portsmouth, NH 03801 Corning Life Sciences

Originally published as Characteristics of Corning Plasticware, reprinted with permission.

Polystyrene Polyethylene (High Density) Polypropylene Polycarbonate Nylon P.T.F.E. (Teflon®) Polyethylene Terephthlate (PET)
Physical Characteristics
Basic Properties Biologically inert, hard, excellent optical qualities Biologically inert, high chemical resistance Biologically inert, high chemical resistance, exceptional toughness Clear, very tough, inert, high temperature resistence Tough, heat resistant, machinable, high moisture vapor transmission Biologically and chemically inert, high resistant slippery surface Biolically inert, hard, tough, excellent optical qualities
Clarity Clear Opaque Translucent Clear Opaque Opaque Clear
Autoclave results Melts May distort Withstands several cycles Withstands one cycle OK OK Melts
Heat Distortion Point 147-175°F
Burning rate Slow Slow Slow Self extinguishing Self extinguishing None --
Effects of Laboratory Reagents
Weak Acids None None None None None None None
Strong Acids Oxidizing acids attack Oxidizing acids attack Oxidizing acids attack May be attacked Attacked None Oxidizing acids attack
Weak Alkalies None None None None None None None
Strong Alkalies None None None Slowly Attacked None None Attacked
Organic Solvents Soluble in aromatic chlorinated hydrocarbons Resistant below 80°C Resistant below 80°C Soluble in chlorinated hyrdrocarbons; partly soluble in aromatics Resistant Resistant Soluble in aromatic or chlorinated hydrocarbons
Gas Permeability of Thin Wall Products*
O2 Low High High Very low Very low -- Very low
N2 Very low Low Low Very low Very low -- Very low
CO2 High Very high Very high Low -- -- Low

Portions of this table courtesy of Modern Plastics Encyclopedia. Most data are from tests by A.S.T.M. methods. Tables show averages or ranges. Many properties vary with manufacturer, formulation, testing laboratory, and the specific operating conditions.

*Obtained from a table which lists gas permeability in CC/100 sq. inches per 24 hrs./mil.

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For further information, please contact Technical Support, Corning Incorporated, Science Products Division, Advanced Life Science Products (USA), Tel: 1-800-492-1110, Fax: 1-978-635-2479, e-mail: