Propylene dichloride, also known as 1,2-dichloropropane, is a colorless, low boiling liquid with a sweet, chloroform-like odor. It is used as a solvent in the manufacture of pesticides, pharmaceuticals, and other industrial products. It is also used as a fuel additive and in the production of polyvinyl chloride (PVC).
When rubber is exposed to propylene dichloride, it can cause elastomers to swell, soften, and become brittle. Oxidation and discoloration of rubber can also occur, leading to a decrease in tensile strength and resistance to chemical attack. Additionally, the chemical can cause rubber to depolymerize, leading to a decrease in physical and mechanical properties.
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