Carbopol 940 is used for topical formulations and suitable for preparation of gels, creams and coupling agent. Carbomer and cross-linked acrylic resin as well as series products of these cross-linked polyacrylic acid are widely used at present and are often used in topical lotion, cream and gel. In a neutral environment, Carbomer system is an excellent gel matrix with crystal appearance and nice sense of touch, so Carbomer is suitable for preparation of cream or gel.
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Item
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Specification
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Appearance
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White Powder
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Viscosity (20r/min,25℃,mpais)
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19000-35000
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Solution clarity (420nm,%)
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40000-60000
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Heavy metals (mg/kg)
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AS＜2
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Heavy metals (mg/kg)
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Pb+As+Hg+Sb＜10
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Packing density (g/100ml)
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21.0-27.0
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Loss and drying, (%)
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＜2.0
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Residual Acrylic acid, (%)
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＜0.25
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Residual Benzene, (%)
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＜0.5
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