Linoleic acid is a polyunsaturated fatty acid, commonly referred to as omega-6 fatty acid. It is found in a variety of plant and animal based oils and is used in the production of soaps, detergents, and other skin-care products. It is also used in the production of food additives, lubricants, and plasticizers.
Rubber materials are generally resistant to linoleic acid, however prolonged exposure can lead to swelling and softening of the rubber which can lead to cracking and premature failure. In extreme cases, the rubber may become brittle and brittle fracture may occur. Additionally, elastomers may experience reduced tensile strength, tear strength, and abrasion resistance when exposed to linoleic acid.
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