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`Carboxymethylcellulose
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`Carboxymethylcellulose
`
`Dow is one of the major producers of purified and highly purified sodium carboxymethylcellulose (CMC). This is
`a highly effective additive for improving product and processing characteristics in various fields, including food,
`technical applications and pharmaceuticals.
`Cellulose is insoluble in water. Dow transforms the raw material into the sodium carboxymethylcellulose, which
`is soluble in hot or cold water.
`Dow offers WALOCEL™ CRT at broad range of substitution levels. Rheology profiles of CMC grades vary from
`smooth-flowing aqueous solutions to stable gels.
`Structure of WALOCEL™
`
`Methylcellulose
`Hydroxyethyl Methylcellulose
`Ethylcellulose
`Carboxymethylcellulose
`Handling Considerations
`Hydroxyethyl cellulose
`Poly(ethylene) Oxide
`Hydroxypropyl
`Methylcellulose
`Nitrocellulose
`
`Viscosity
`To cater to the requirements of the many different applications, Dow offers a broad selection of CMC grades.
`The viscosity ranges from 10 mPa's to 100,000 mPa's as a two percent solution. Dow specifies WALOCEL™ CRT
`products using Brookfield viscometers at 25°C and WALOCEL™ CRT PV products using a rotary viscometer at
`20°C.
`
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