Lime sulfur, also known as calcium polysulfide, is a chemical compound composed of calcium and sulfur. It is most commonly used in agriculture as a fungicide, insecticide, and miticide. It is also used in horticulture and forestry to control fungal and bacterial diseases of plants. When exposed to rubber, lime sulfur can cause discoloration, loss of elasticity, cracking, and brittleness. The chemical reaction between lime sulfur and rubber can also lead to a decrease in the material's overall strength.
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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