Chemical Resistance Guide PP
This Chemical Resistance Guide contains an overview of the chemical properties of the products used in the polypropylenes business. Searching our database can be done by using the text search. All relevant matches for your query will be returned. Alternatively you can browse the terms starting with a specific letter you choose.
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The following tables give information on chemical resistance of polypropylene, the so called Environmental Stress Cracking Resistance (ESCR).
The factor evaluated is the resistance to chemical attack during exposure to particular media at 20°C and 60°C.
Several factors affect the actual ESCR, such as:
The qualifications given in the tables hold for SABICŪ PP grades (hompolymer, impact copolymer and random copolymer) in general. The particular grade to be chosen depends on the application, and it will often be seen that the actual performance is better than indicated in the tables.
|Chemicals||Concentration (wt%)||Resistance to chemical attack of PP||Remarks|
|+||Good||The medium has no effect|
|o||Doubtful||Application of PP as packaging material could have limitations regarding resistance to chemical attack by the packed content|
|-||Unsuitable||Is not recommended to expose PP to this medium|
|Sol.||Aqueous solution at a concentration higher than 10%, but not saturated|
|Sat.Sol.||Saturated aqueous solution, prepared at 20°C|
|Work.Sol.||Working solution of the concentration usually used in the industry concerned|
|Tg-s||Technical grade, solid|
|Tg-l||Technical grade, liquid|
|Tg-g||Technical grade, gas|
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