From SABIC
A chemical environment offers one of the most demanding tests of a plastic's durability. Add heat, and the problem is compounded. Here is new data to help you choose the best plastic for intended use to help combat these material-killing conditions.
Some plastic resins, because of their chemical structure, can be expected to dissolve in, or be softened by, certain solvents. But beyond that preliminary determination, the chemical resistance of polymers is difficult to predict by any simple means. Even establishing meaningful test parameters to determine chemical resistance is not easy because service requirements vary so much. In the study reported here, change in tensile strength caused by exposure to heat and chemicals is the criterion used as the indicator of resistance to various environments.
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