For professionals in the cigarette manufacturing industry, the selection of high-quality Cellulose Acetate Tow (CAT) is a critical determinant of filter performance and product consistency. Understanding the key specifications and their impact is essential for procurement managers and product developers. As a leading manufacturer and supplier of CAT, we provide insights into the essential parameters that define this vital raw material.

The primary function of CAT in cigarette filters is to trap tar and nicotine while allowing the desired flavor and aroma of tobacco to pass through. Achieving this balance requires precise control over the physical and chemical properties of the tow. Key specifications that buyers should focus on when sourcing CAT include:

Denier (Denier per Filament - dpf): This measures the fineness of the individual fibers within the tow. Common specifications range from 2.5y/30,000 to 8.0y/30,000, indicating the total denier for a given number of filaments. The denier affects the filter's pressure drop and filtration efficiency. Manufacturers often offer various denier options to cater to different filter designs and performance requirements.

Ktex: This refers to the yarn or fiber linear density, often measured in grams per kilometer. Values typically fall within the range of 25,000 to 40,000 Ktex. It's a crucial indicator of the tow's mass per unit length, influencing its handling and filtration characteristics.

Moisture Content: A low moisture content, usually specified as ≤6%, is important for maintaining the stability and processability of the tow. Excessive moisture can lead to clumping and affect downstream processing.

Oil Content: The oil content, typically between 0.8% and 1.5%, refers to the presence of residual lubricants used during the fiber manufacturing process. This value needs to be controlled to ensure no negative impact on filtration or product quality.

Tension Strength: Measured in N/Ktex (Newtons per kilotex), this indicates the tensile strength of the fibers. A minimum tension strength, often ≥7 N/Ktex, ensures the tow can withstand the stresses of the manufacturing process without breaking.

Coil Number/25mm: This measures the crimp or waviness of the fibers, impacting the bulk and porosity of the filter. A typical specification might be around 22 ±3 per 25mm.

Appearance: The standard appearance for CAT is white tow, but colored options may also be available for specific product differentiation.

When looking to buy Cellulose Acetate Tow, partnering with a reliable supplier in China that adheres to international standards (such as YC/T standards) is highly recommended. A reputable manufacturer will provide detailed specification sheets and support to help you select the most appropriate CAT for your cigarette filter production. We are dedicated to supplying CAT that meets these critical specifications, ensuring consistent quality and performance for your products.