Types of sizing ? Effects of Sizing?

Types of sizing according to application:  

• Pure sizing: When sizing is done in yarn which produces unbleached fabric is called pure sizing. So, ingredients are on the weight of yarn 7 to 10%.
• Light sizing: This is used for dyeing and printing. 11 to 15% sizing ingredients are used on the weight of yarn.
• Medium sizing: For increase of strength and weight of the yarn 16 to 40%sizinging redients are used on the weight of yarn.
• Heavy sizing: It is used to increase the weight of yarn. Above 40% sizing in gredients are used on the weight of yarn.

Changes in Yarn due to Sizing:

• Breaking strength: Increase
• Abrasion Resistance: Increase
• Stiffness: Increase
• Elasticity: Increase
• Frictional Resistance: Increase
• Yarn Diameter: Increase
• Extension: Decrease
• Electrostatic Charger: Decrease
• Hairiness: Decrease