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    配方类型: EMULSIONS
    配方说明: Tar Emulsion
    配方组成: RT-8-tar/50.000
    "Ethomeen" C-25/0.063
    "Carbopol" 941/0.125
    Water/50.000
    Sodium hydroxide (10% solution)/0.250
    配制方法: Carefully disperse the "Carbopol" 941 in the water. When dispersion is complete, add the sodium hydroxide and then the amine. Lastly, slowly add the RT-8 tar in a thin, continuous stream (so that the rate of addition is no greater than the rate of dispersion) with good mixing.
    Fairly high shear such as that provided by a medium-speed Eppenbach homogenizer, forms the best, smallest droplet-size emulsion. Excessively rapid addition of the tar results in a grainy emulsion.

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