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China and Germany are the leading exporters of Octamethylcyclotetrasiloxane, accounting for the largest shares of global shipments, while the United States, South Korea, and India represent the top importing countries. Import volumes into the U.S. and South Korea have remained relatively stable over the past two years, while demand growth in India coincides with rising domestic silicone production capacity and sensitivity to Octamethylcyclotetrasiloxane prices.
Octamethylcyclotetrasiloxane (D4) is a clear, colorless, volatile liquid with a mild, chloroform-like odor. It is a cyclic organosilicon compound and a member of the cyclosiloxane family, characterized by a ring structure containing four silicon atoms each bonded to two methyl groups. As a key monomer in silicone chemistry, it serves primarily as a precursor in the production of polydimethylsiloxanes (PDMS) via ring-opening polymerization. Its principal industrial applications are in the synthesis of silicone polymers, fluids, resins, and elastomers used across personal care products, industrial lubricants, release agents, and high-performance sealants and coatings.
Preparation of methyl silicon oils.
Colorless clear liquid
This chemical is included in Fine Chemicals - Adhesives & Coating Raw Materials. See more about what is Octamethylcyclotetrasiloxane and Octamethylcyclotetrasiloxane SDS information.
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