Question

The stiffening agent used for finishing silk fabrics is ________.

Hint:

Gelatin is a natural stiffening agent that works effectively for silk, providing firmness without compromising the delicate texture of the fabric.

Answer 1

The stiffening agent used for finishing silk fabrics is alum (potassium alum).

Alum is commonly used in the textile industry to give silk fabrics a desired stiffness and smooth texture. It helps in enhancing the sheen and smoothness of the silk fabric and improves its handling properties during various finishing processes.

Thus, alum is an effective stiffening agent for silk fabrics, providing them with better finish and durability.