The conversion of chenille yarn count primarily relies on yarn count calculation methods, including two main categories: fixed-length system and fixed-weight system.
Fixed-Length System
Tex Conversion:
Tex is a unit of measurement for yarn thickness, representing the weight in grams of 1000 meters of yarn at standard moisture regain.
Formula: Ntex = (G/L) × 1000, where G is the weight of the yarn (grams) and L is the length of the yarn (meters).
For chenille yarn, if its mass and length are known, the tex count can be calculated using this formula.
Denier Conversion:
Denier is a unit of measurement for the thickness of silk or synthetic fiber, representing the weight in grams of 9000 meters of silk at standard moisture regain.
Formula: Nden = (G/L) × 9000, where G is the weight of the silk (grams) and L is the length of the silk (meters).
Similarly, for chenille yarn, if its weight and length are known, the denier number can be calculated using this formula.
Fixed Weight System
Metric Count (Nm) Conversion:
Metric count represents the number of meters of yarn per gram.
Formula: Nm = L/G, where L is the yarn length (meters) and G is the yarn weight (grams).
If the weight and length of the chenille yarn are known, the metric count can be calculated using this formula.
English Count (Ne) Conversion:
English count represents the number of 840 yards of yarn per pound, commonly used in the imperial unit system.
Formula: Ne = (L/G) × 840, where L is the yarn length (yards) and G is the yarn weight (pounds).
Note that converting to English count requires first converting the yarn length and weight to imperial units (yards and pounds) before calculation. For chenille yarn, if its weight and length in imperial units are known, the English count can be calculated using this formula.
In practical applications, the choice of conversion method depends on local customs and specific needs.