VELVET FABRICS... Pile Fiber Characteristics are Key
In this article, we will discuss only velvet fabrics, though much of the information especially regarding maintenance is also applicable to other pile fabrics such as chenille.
Velvet is a type of pile weave representing a considerable percentage of the total fabric consumption for upholstery.
Velvet is a warp-pile fabric, which means that it has one set of filling yarns and two sets of warp yarns. The second set of warp yarns can be cut or uncut.
Double-cloth and over-wire methods are the two ways to create pile fabrics. In the double cloth method, two fabrics are woven, one above the other, and connected with an extra set of warp yarns.
The over-wire method involves placing wires across the loom so that they intersect the cloth in certain places that create a pile. The pile is then cut with a blade that is over the loom. The wire is removed before the fabric is removed from the loom. If an un-cut pile is desired, waste picks can be placed on the wire and are removed after the fabric is off the loom.
Velvet can be made out of various types of fibers and blends. Cotton, rayon and silk are prominent among high-end fabrics. Other fibers include mohair, linen and the synthetics.
Pile Distortion Problems
Pile distortion is the negative phenomenon where the natural grain and consistency of the pile fibers have been unevenly altered.
Some velvets are prone to pile distortion with only normal or minimal use. Just as a linen suit wrinkles, a linen velvet can crush and cause a unique shading pattern. This will manifest itself as dark or shiny spots, depending on the angle from which the fabric is viewed.
We are not referring here to the capacity to change direction of the pile-lean. This results in the beautiful shadings of dark and light, which make velvet look so rich.
Though they are similar in construction, velvet fabrics of different pile fibers have very different responses to cleaning.
Soil and stains and the steps to remove them can sometimes cause extreme, irreversible distortion. It is characterized by a blotchy appearance, uneven napping, or even collapsing of the pile surface of the fabric. It can severely damage the appearance of the fabric even long after the offending substance has been removed.
Just as ones hair sets when combed or brushed into position while damp, so can the hair-like fibers and yarns of the velvet become matted from dampness and/or pressure.
While a protective treatment to control moisture absorbency can reduce the severity of the problem in some instances, customized expert guidance is needed in dealing with each different velvet construction and type of fiber to assure effective prevention or correction.
Cotton is King
Of the different fiber types used in velvet pile, cotton is perhaps the most forgiving and easiest to maintain.
Cotton velvet will generally perform better than other natural fibers because it is possible to wet clean (or spot clean) most cotton velvets. With proper testing and grooming with a velvet brush, cotton velvets usually respond quite well to water-based cleaning methods.
Prone to Problems
Silk and rayon velvets are very popular for their lustrous and elegant appearance. These two fibers are also the most prone to exhibit pile distortion. Any water-based stain or cleaning agent is likely to cause permanent pile changes on velvets made of these fibers. Because of this, velvet fabrics of silk or rayon are considered dry clean only.
Avoiding Pile Distortion on Velvet Furnishings
Lightly blot up spills, immediately. NEVER RUB! Gently brush out dried substances (with a velvet brush or toothbrush)vacuum thoroughly and regularly.
Before liquid cleaners are used, pretest in an inconspicuous area of the fabric. Apply the product and let the test spot dry, looking for any changes. If changes are noticed, professional assistance is advised.
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