Polystyrene Plastic Info

Characteristics of PS - Polystyrene Plastic Containers
Clarity	Clear
Moisture Barrier	Fair
Oxygen Barrier	Low
Acid Resistance	Fair to Good
Grease & Oil Resistance	Fair to Good
Maximum Utilization Temperature	158°F
Minimum Utilization Temperature	14°F
Stiffness	Moderate to High
Impact Resistant	Poor to Good
Heat Resistance	Fair
Cold Resistance	Poor
Sunlight Resistance	Fair
Specific Gravity	1.05

Other Characteristics of PS:
The material surface of PP (Polystyrene) is a transparent, rigid and glass like polymer. PS is biologically inert , non-toxic and light, and heat stable. PS containers have a good stress crack and impact resistance, as well as good chemical resistance to many aqueous solutions. PS has poor barrier properties to oxidizing agents and halogenated solvents. It cannot be used at elevated temperatures.

Chemical Resistance :

Acids – Dilute	Good
Acids – Concentrated	Limited
Alcohols	Good
Aldehydes	Poor
Bases	Good
Esters	Poor
Ethers	Poor
Hydrocarbons, Aliphatic	Poor
Hydrocarbons, Aromatics	Poor
Hydrocarbons, Halogenated	Poor
Ketones	Poor
Oils, Minerals	Good
Oil, Vegetable	Good

PS for Laboratories:
PS is a good choice for packaging, because it has many versatile properties. PS is clear, hard and lightweight which makes it a good alternative to glass. It can be sterilized by gas and gamma irradiation.

Other uses of PS
PS is manufactured as both ridged and foamed material. Polystyrene is commonly used for CD packaging, aspirin bottles, cups, plates and cutlery.

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Polystyrene Plastic Info

Characteristics of PS - Polystyrene Plastic Containers