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Explore Flame Retardant Finishing Of Linen Fabrics!

Flame Retardant Finishing Of Linen Fabrics

Flame retardant finishing of linen fabrics is the process of treating linen fabrics with flame retardant treatment. The following are the advantages and disadvantages of the process, the steps and the application scenarios:


  • Flame retardant finishing can make the fabric have good fire resistance, effectively reduce the incidence of fire, to protect people’s lives and property safety.
  • Linen fiber itself is a natural green material. After flame retardant treatment will not release harmful substances, maintaining its environmental friendliness.
  • Linen fiber is soft, breathable, moisture absorption, heat dissipation and other characteristics are retained.


  • Flame retardant treatment will make the feel and color of linen fabric slightly changed, affecting its aesthetics.
  • Flame retardant treatment will increase production costs and reduce the market competitiveness of linen fabrics.


Step 1-Preparation: the linen fabric will be washed to remove surface stains and impurities.

Step 2-Pre-treatment: Soak the linen fabric in an aqueous solution containing reactive phosphate and nitrogen phosphate to make the surface more uniform for subsequent treatment.

Step 3- Flame retardant treatment: the linen fabric will be soaked in an aqueous solution containing flame retardants, after the appropriate temperature and time processing, so that the flame retardants penetrate into the interior of the fiber to enhance the flame retardant properties of linen fabrics.

Step 4-Removal of the remaining flame retardant: the linen fabric will be repeatedly rinsed in water to remove the flame retardant residue on the surface.

Step 5-Drying: Dry the linen fabric to dry or use a dryer to dry.

Application Scenarios:

Household products, such as curtains, bedding, etc.

Office premises, such as offices, conference rooms, etc.

Public places, such as hotels, restaurants, etc.


Is linen fabric fire-retardant?

Cotton and linen natural fibers, if left untreated, have a higher tendency to catch fire and propagate flames more rapidly compared to other types of fabrics.

What is flame retardant finish to fabric?

Fabrics with flame retardant finishing are coated with chemicals that restrict the supply of oxygen, making them resistant to fire. Such fabrics are commonly utilized for curtains and drapes in school events as well as significant social gatherings.

What textiles are flame resistant finishes?

Flame retardants are employed to enhance the fire resistance of flammable materials, including textiles, thereby mitigating their combustion or spreading. When textile products undergo flame retardant processing, it can potentially reduce the harm caused during a fire outbreak and even save lives. Common examples of such products include curtains, carpets, sofas, car seats, firefighting clothing, and more.

How does linen react to fire?

Linen burns relatively fast (though not as fast as cotton) with a yellow flame and emits an odor akin to burning paper. The resulting ash is typically light gray. Despite being a natural fiber, linen takes slightly longer to ignite than cotton.

How do you fireproof fabric?

Formula 4, recommended by the National Fire Protection Association, involves mixing 9 ounces of Borax Powder, 4 ounces of Boric Acid, and 1 gallon of water thoroughly to create a solution that can be sprayed on or used for dipping. It is crucial to ensure that the solution drips off the material. Before utilizing any flame-treated fabrics for stage purposes, it is advisable to test them first to confirm that they are genuinely flame retardant.

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