• CMC for cable production
CMC for cable production
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CMC for cable production

Sodium carboxymethyl cellulose (CMC-Na) is primarily used in cable production as a flame retardant and adhesive. Its functions include improving the flame retardant properties of cable materials, enhancing the adhesion of the insulation layer, and improving the mechanical strength and weather resistance of the cable. The following is a detailed application analysis:
  • Commodity name: CMC for cable production

Classification

Keywords

Sodium carboxymethyl cellulose (CMC-Na) is primarily used in cable production as a flame retardant and adhesive. Its functions include improving the flame retardant properties of cable materials, enhancing the adhesion of the insulation layer, and improving the mechanical strength and weather resistance of the cable. The following is a detailed application analysis:

Improved Flame Retardant Properties: CMC-Na has excellent film-forming properties and water absorption, allowing it to form a flame-retardant layer in cable materials and slowing flame spread. Its sodium salt structure reacts with combustion products to form a carbonized layer, isolating oxygen and reducing the combustion rate.

Optimized Adhesion and Insulation: As an adhesive, CMC-Na enhances the bond between the cable insulation layer and the conductor, reducing the risk of delamination caused by mechanical stress. Simultaneously, its polymer chain structure improves the flexibility and tear resistance of the insulation material.

Environmental and Processing Advantages: The water solubility of CMC-Na makes it easy to disperse in cable production, reducing the use of organic solvents and meeting environmental protection requirements. Its biodegradability also reduces the environmental impact of discarded cables.

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