Not for Hardening the Fabric, This is the Function of Tapioca Starch in the Weaving Process
In the weaving process, it turns out there is one simple ingredient that plays a vital role in determining the quality of greige fabric: tapioca starch (starch). Although it seems simple and is often unnoticed, this material actually functions as a temporary protective layer on the warp yarns so they can withstand high tension and friction during the weaving process. Check out the full information below.
The Meaning of Tapioca Starch in the Weaving Process
Definition of sizing on warp yarn
In the textile industry, starch is used in the warp sizing process before the yarn enters the weaving loom. The main purpose of this process is not to harden the fabric, but rather to strengthen the yarn surface so that it is more stable during the weaving process. Warp yarns must endure high mechanical stress during weaving, so without additional protection, the risk of yarn breakage would be very high.
Sizing materials used in the textile industry
Apart from starch-based materials, several other commonly used materials are:
Modified starch
Polyvinyl Alcohol (PVA)
Carboxymethyl Cellulose (CMC) However, starch remains the primary choice because it is economical, easy to apply, and can be removed later during the finishing stage.
Functions of Tapioca Starch in the Weaving Process
Increasing warp yarn strength
The starch coating helps increase the tensile strength of the warp yarn so that it does not break easily during the weaving process.
Reducing friction during weaving
During weaving, the yarn will rub against loom components such as the reed and heddles. The starch layer acts as a shield to minimize this friction.
Controlling yarn hairiness
Small fibers protruding from the yarn surface (hairiness) can cause the yarn to tangle or snag easily. Sizing helps smooth the yarn surface to make it more stable.
Improving greige fabric production efficiency
With stronger and more stable yarn, weaving machines can run more smoothly with a lower risk of yarn breakage, thereby increasing productivity.
Read also: Is Weaving Fabric Still Soft When Greige? Turns Out This is the Cause!
The Relationship Between Tapioca Starch and Greige Fabric Quality
The foundation before the finishing process
Greige fabric produced from yarn that has gone through the sizing process will have a neater and more consistent weave structure. This serves as an important foundation before moving on to desizing, bleaching, and dyeing processes.
The desizing stage after weaving
Once the greige fabric is formed, the remaining starch must be removed through a desizing process so that the fabric can optimally absorb dyes and finishing agents. Based on modern textile industry references, the sizing process is one of the critical stages that heavily influences production efficiency and the final quality of woven fabric.
Why This Process Cannot Be Skipped?
Maintaining weaving machine stability
Without the sizing process, warp yarns will break more easily, which leads to frequent machine stoppages and lowers production efficiency.
Determining fabric quality from the start of the process
We in the textile industry understand that fabric quality is not only determined at the end of the process, but starts right from yarn preparation. Therefore, the use of starch in the weaving process is a part that cannot be ignored.
In conclusion, tapioca starch in the weaving process does not function to harden the fabric, but rather as a temporary protector that maintains the strength and stability of the warp yarn during weaving. This role is highly essential in producing greige fabric that is high-quality, consistent, and ready for the next finishing stages.