Understanding the Difference Between 20°C and 40°C Water-Sol

Understanding the Difference Between 20°C and 40°C Water-Sol


Meta Description:
 Confused about water-soluble yarns? Learn the key differences between 20-degree and 40-degree dissolvable yarns and how to choose the right one for your textile manufacturing process.
 

(Introduction)
In the innovative world of textile manufacturing, water-soluble yarns have emerged as a game-changing solution for creating complex structures without permanent scaffolding. These unique yarns provide temporary support during knitting or weaving and are simply washed away with water, leaving behind intricate designs that would be impossible to achieve by hand. But not all dissolvable yarns are created equal. The most critical distinction lies in their dissolution temperature. In this guide, we’ll break down the differences between 20-degree and 40-degree water-soluble yarns and their primary uses.

What are Water-Soluble Yarns?
Water-soluble yarns are typically made from Polyvinyl Alcohol (PVA). They are strong, flexible, and designed to hold their structure during the production process. Once the fabric or product is completed, immersing it in water dissolves the yarn completely, leaving no residue and revealing the final product.

The Key Difference: Dissolution Temperature

The "20-degree" and "40-degree" refer to the approximate water temperature (in Celsius) required to dissolve the yarn effectively. This is not just a minor detail—it’s the fundamental property that dictates the yarn's application.

Feature20-Degree Water-Soluble Yarn40-Degree Water-Soluble yarn

1. 20°C Water-Soluble Yarn
 
Dissolving temperature: Around 20°C (room temperature water).
 
Feature: Highly sensitive to water and humidity, dissolves quickly even in cold or normal water.
 
Main uses:
 
Temporary support yarn for lace, embroidery, and special fabrics.
 
Textile waste reduction, as the support yarn disappears in the washing process.
 
Eco-friendly applications, leaving no harmful residues.
 
2. 40°C Water-Soluble Yarn
 
Dissolving temperature: Around 40°C (warm water).
 
Feature: More stable at room temperature, dissolves only in warm water. Easier to store and handle compared to 20°C type.
 
Main uses:
 
 
Embroidery backing removal – provides strength during embroidery but dissolves later in warm water.
 
Knitting and weaving – to create hollow, three-dimensional patterns.
 
Garment shaping – helps with complex designs and then disappears in processing.

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