Thistle Raising

Definition and Overview

Thistle raising is a finishing process in which the fine hooked projections on the flower heads of the plant called thistle are attached to a raising machine and gently brushed over the fabric surface to raise the fuzz. It is used for the surface finishing of wool fabrics and other materials, as well as woven and knitted fabrics.

In a broad sense, raising refers to any process that draws out surface fibers, but thistle raising is the name for the method used. It is not the name of a material or a weave structure, so even with the same process, appearance and performance differ depending on the base fabric, pile length, and finishing conditions.

Features

The plant projections are relatively gentle on the fibers and act according to the condition of the fibers, so they are said to make it easier to create a natural, delicate fuzz. A layer that holds air forms on the surface, giving loft, softness, and a warm appearance.

The fuzz covers the woven or knitted structure and diffuses light, creating a calm appearance. On the other hand, friction, wear, and washing may disturb the nap or make fuzzing and pilling more noticeable.

• The feel is easy to give loft and softness.
• Functionally, the surface air layer can provide warmth retention.
• Visually, it tends to have a matte, gentle look.
• The length and density of the pile vary depending on the base fabric and finishing conditions.

Main Applications

Taking advantage of warmth retention and a soft appearance, it is used for autumn and winter coats, jackets, skirts, pants, shirts, dresses, and more. In fabrics containing wool, it may be adopted as a surface finish that makes use of the material's natural loft.

Outside apparel, it may also be used for fashion accessories and indoor-use fabrics where warmth and a soft touch are important. However, suitability for a given use is judged not by the thistle raising itself, but by checking the strength, thickness, blend ratio, and finishing condition of the base fabric.

Selection and Handling Notes

When selecting, check the direction of the pile, fuzz density, fabric weight, resistance to sheerness, and abrasion resistance using swatches and actual material. Because shadows and rubbing on the nap are easier to see depending on the color, it is important to change the lighting conditions and evaluate the appearance with the cutting direction aligned.

Shrinkage and changes in feel due to water washing vary greatly depending on the base fabric material and finishing conditions. Before mass production, conduct washing tests to check shrinkage rate, fuzz shedding, changes in nap, and pilling. Whether home washing is possible depends on the care label for each fabric or product.

When cutting, keep the nap direction consistent across all parts, and be careful of presser marks during sewing and nap flattening caused by pressing. Use a pressing cloth for ironing, do not press down hard, and check the effects of heat and steam on scraps in advance.

Differences from Similar Terms

Raising is the general term for processes that create fuzz on the surface. Thistle raising is a type of raising, and the term focuses on the method that uses thistle flower heads. Compared with raising that uses metal needles, it is generally used when aiming for delicate fuzz.

Brushed back refers mainly to a specification in which the back side of knitted fabric is raised to create a warming layer on the skin side. By contrast, thistle raising is a processing method that can be applied to either the face or back side, and it is not a name that is limited to a specific side or fabric structure.

Beaver may refer to a smooth wool fabric whose fuzz has been brushed and aligned after raising. Thistle raising may be part of the process that leads to such a finish, but it is not necessarily the final name of the fabric.

Frequently Asked Questions