Dichloroethylene is also known as 1,1-dichloroethylene, 1,2-dichloroethylene, ethylene dichloride, ethylene dichloride (EDC), and vinylidene chloride. It is a colorless, nonflammable liquid with a sweet odor. It is used in the production of polyvinyl chloride (PVC), an important plastic material. In addition, it is used as a solvent in paints and varnishes, and as a degreasing agent in the metal working industry.
Common failures that can occur when rubber is exposed to dichloroethylene include swelling, softening, cracking, and discoloration. Swelling can occur due to the solvating action of the dichloroethylene on the rubber, leading to an increase in volume. Softening can occur due to the dissolution of rubber components in the chemical, resulting in a decrease in hardness and flexibility. Cracking can occur if the rubber is not properly cured prior to exposure, as the chemical can attack the crosslinks in the rubber, leading to fatigue and eventual cracking. Discoloration can occur due to the reaction of the dichloroethylene with the pigments in
Viton ® o-rings from Marco Rubber offer excellent compatibility with a range of chemicals, oils and resist high temperatures up to 400F. Viton ® is also known as FKM made of fluoroelastomer one of the most versatile and widely used sealing materials.
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