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  • Octamethylcyclotetrasiloxane (D4)

    • Place of origin:  

      China

    material for cosmetics. Preparation Method of Octamethylcyclotetrasiloxane Dimethyl dichlorosilane is added dropwise to water, the temperature is maintained at 30-40℃, stratified, the acidic water is released, the oily substance is hydrolyzed with sodium hydroxide solution, the hydrolysate and 0.5%-2% potassium hydroxide are added into the cracking kettle and cracked at 120-140℃ and 99.8kPa v

    [Related Keywords : silicone suppliers]

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