Key points of choosing CMC(Sodium Carboxymethyl Cellulose)
Release time:
2026-03-19
Sodium Carboxymethyl Cellulose (CMC) has emerged as a critical additive across sectors such as food processing, oil drilling, ceramics, and coatings.
Sodium Carboxymethyl Cellulose (CMC) has emerged as a critical additive across sectors such as food processing, oil drilling, ceramics, and coatings.
When choosing the CMC(Sodium Carboxymethyl Cellulose), usually people pay attention to the following points:
1. viscosity
a. The solution of concentration should be mutually aligned
b. The type of viscometer should be mutually aligned.
2. purity
usually high purity of the product is better; however, to decrease the cost for the end user, sometimes there is no need for very high purity of the product.
3.PH value
4. Degree of substitution
5. Appearance
Most of the product is in powder form; however, for some application fields, they need granular CMC.
6. Moisture
Usually, the Moisture is no more than 10%. For some special applications, they require lower moisture of CMC.
7. Filtrate volume
When CMC is used in oil drilling activities, filtrate volume is one of the key specifications that end users pay attention to.
8. whiteness and transparency of solution
Industries such as ceramics and paints place strong emphasis on whiteness and solution transparency. High-quality CMC produced from refined cotton—often referred to as food-grade raw material—offers superior brightness and clarity, enhancing the final product’s appearance and consistency.
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