Flame Retardant Finishing
Flame-retardant finishing is a treatment that gives textile products flame-retardant performance through after-finishing or the use of flame-resistant materials so that they are less likely to spread fire when exposed to flames.
Contents6 sections
Definition and Overview
Flame-retardant finishing is a process intended to make textiles less likely to ignite when exposed to a heat source, or to slow the spread of flames even if they do ignite. In addition to chemical treatment of the textile, there is also a method that uses flame-resistant fibers.
Flame-retardant does not mean nonflammable. Because burning behavior varies depending on the intensity of the heat source, contact time, textile structure, and fabric weight, performance confirmation is necessary according to the application.
Features and Hand Feel
Depending on the processing method and base fabric, the material may feel somewhat stiffer, firmer, or different on the surface compared with ordinary textiles. On the other hand, there are also processes designed to minimize the impact on hand feel, and flame-retardant performance cannot be judged solely by appearance or touch.
Flame-retardant performance may be affected not only by the textile itself, but also by the finished product state when combined with dyeing, printing, lamination, sewing accessories, and other components. For plans that include after-finishing, the performance after processing is confirmed.
Main Applications
It is mainly used for textile products for interior and space presentation, such as curtains, partitions, and stage curtains. Decorative textiles used in facilities and event spaces where people gather may require flame-retardant performance depending on the location and product category.
For apparel, it is considered according to the application in uniforms, workwear, and costumes. It is not a seasonal process, but the suitable material composition and required performance vary depending on whether the fabric is thin or thick, woven or knit.
- Curtains, noren curtains, partitions
- Curtains and decorations for stages, exhibitions, and events
- Uniforms and work apparel
- Textiles for spaces where flame-retardant performance is required
Selection and Handling Notes
When selecting, first organize the intended use of the final product, the place of use, and the required range of flame-retardant performance. Even if a textile has flame-retardant properties, the confirmation conditions change depending on the specifications and accessories after productization, so confirm whether performance is needed at the textile level or the product level.
Whether performance is maintained through washing or cleaning depends on the type of process and handling conditions. Check the expected number of washes, whether dry cleaning is allowed, shrinkage rate, and ironing conditions in advance, and prepare the basis for washing instructions and care tags.
In sewing, attention is also needed for sewing thread, interlining, lining, tape, printing, and more. In particular, when specifications involve major changes to different materials, confirm during the prototype stage how each component affects the burning behavior of the finished product.
Differences from Similar Terms
Flame-retardant and flame-resistant are sometimes used with similar meanings, but in practice it is important to distinguish the required tests, labeling, and product categories. The handling of flame-retardant labels and certifications needs to be confirmed according to the item and place of use.
Water-repellent finishing and waterproof breathable materials are functions that suppress water penetration and do not indicate performance against fire. Flame-retardant finishing and shrink-resistant finishing may also be used together, but their purposes and evaluation items are different.
Frequently Asked Questions
Does a textile with flame-retardant finishing lose its effect when washed?
It depends on the type of process. Some may experience a decline in performance through washing or cleaning, so check the conditions for wash durability. Before mass production, it is important to confirm the required performance on the textile or product after the expected washing.
Are flame-retardant finishing and flame-resistant materials the same?
Both are related to the purpose of suppressing flame spread, but flame-retardant finishing often refers to after-finishing, while flame-resistant materials may refer to the inherent properties of the fiber itself. Actual performance and whether labeling is permitted are confirmed based on the test conditions and the target product, not the material name.
If it is a flame-retardant textile, can it be used as is for any application?
Not necessarily. The required performance differs depending on the application and place of use, such as curtains, curtains for stages, and apparel, and the effects of sewing thread, lining, accessories, and printing in productization must also be considered. Before adoption, confirm according to the specifications of the final product.
