How is heat resistant fabric made?

06 May.,2024

 

How Flame-Retardant Fabrics are Made? - LinkedIn

Creating flame-retardant fabrics involves specific techniques and processes to ensure their effectiveness in preventing fire spread. Common methods used in the industry are the Chemical Dipping Technique, Coating Technique, Microcapsule Method, and Flame Retardant Spinning Preparation.

How Flame-Retardant Fabrics are Made? - LinkedIn

Creating flame-retardant fabrics involves specific techniques and processes to ensure their effectiveness in preventing fire spread. Common methods used in the industry are the Chemical Dipping Technique, Coating Technique, Microcapsule Method, and Flame Retardant Spinning Preparation.

Chemical Dipping Technique

In the chemical dipping technique, the fabric is submerged in a chemical solution that acts as a flame-resistant barrier when absorbed into the fibers. These chemicals undergo a chemical reaction when exposed to high heat, transforming gases and tars into carbon char and slowing down the fabric's burning pace. This method is particularly suitable for fabrics made from natural materials.

Coating Technique

The coating technique involves adding a fire-retardant back coating to the fabric instead of soaking it. This coating acts as a protective layer that inhibits the fabric's flammability. However, it should be noted that this process can result in a stiffer and less natural-looking drape compared to untreated fabrics.

First use a special process by the flame retardant wrapped in microcapsules, and then this microcapsules and reactive resin with the finishing solution, fabrics after rolling finishing solution, drying and baking and other processes, so that the flame retardant in the microcapsules in the fabrics on the stable deposition, so that the fabrics to obtain flame retardant properties. This method is suitable for some flame retardant molecules are small, and flame retardant molecules and fabric reactivity is small or even no reactivity of the flame retardant, after this finishing can also obtain durable flame retardant effect.

Flame Retardant Spinning Preparation, Manufacture of Flame Retardant Fibers, is a part of itself is flammable raw silk (such as polyester fabric, cotton, acrylic) to add a certain type of flame retardant, so that its control of free radicals in the combustion chain; or change the thermal decomposition of the fiber chain, prompting the dehydration of carbonization; there are some of them is to make the decomposition of the flame retardant to release the non-flammable gas body covering the surface of the fiber, to act as a barrier to the role of the air.

Above methods require thorough testing and certification to ensure the fire-retardant properties of the treated fabrics. Various industry standards, such as the NFPA 701 test, assess the fabric's ignition resistance after exposure to a flame for a specified duration. These tests evaluate factors such as after flame duration and char length to determine the fabric's fire-retardant capabilities.

By understanding the different techniques used in making flame-retardant fabrics, manufacturers can provide safer options for industries and individuals seeking to minimize the risk of fire incidents. These fabrics play a crucial role in fire protection, allowing for a faster escape time and reducing the potential for injuries and property damage.

 

Chemical Dipping Technique

One effective method of applying flame retardant to fabric or textile is through the chemical dipping technique. This technique involves submerging the fabric into a chemical solution that acts as a flame-resistant barrier when absorbed into the fibers. The chemicals used in this process undergo a chemical reaction when exposed to high heat, reducing the fabric's flammability.

To apply flame retardant using the chemical dipping technique, start by preparing a large pan with a solution of flame retardant chemicals and hot water. The specific chemicals used will depend on the desired level of fire resistance and the type of fabric being treated. Common flame retardant chemicals include alum, ammonium chloride, and ammonium phosphate.

Once the solution is prepared, fully immerse the fabric into the pan, ensuring that it is completely wet. Allow the fabric to soak in the solution for a sufficient amount of time to ensure thorough absorption of the flame retardant chemicals.

After soaking, carefully remove the fabric from the pan and place it in a non-drip plastic basket or hang it on a line to dry. It is important to choose a sunny day for this process, as the fabric needs to dry completely before use.

Once the fabric is dry, it can be used with the added benefit of flame resistance. It is important to note that the fabric may become slightly stiff compared to its original state, but it should still be flexible enough to mold to the desired shape.

By utilizing the chemical dipping technique, you can effectively apply flame retardant to fabric or textile, enhancing its fire resistance and ensuring a safer environment.

When it comes to applying flame retardant to fabric or textile, the coating technique is an effective method that retains the natural characteristics of the material while providing a powerful barrier against fire. This technique involves applying a specially formulated back-coating to the fabric, which helps to reduce the risk of ignition and slow down the spread of fire.

There are different options for the type of coating that can be used. For synthetic fabrics, acrylic resins or polyethylene terephthalate (PET) are commonly used. These coatings resist heat by raising the ignition temperature above that of a smoldering fire, providing a protective layer without compromising the comfort and feel of the fabric.

For natural fabrics such as cotton, a mixture of bromine, nitrogen compounds, and phosphate compounds is often used as a back-coating. This combination creates a protective layer that delays the flame from reaching the flammable hydrocarbons in the fabric, reducing the risk of fire while maintaining the fabric's natural elasticity, texture, and strength.

It is important to note that the coating technique should be done by professionals who have experience in applying flame retardant coatings. They can ensure that the coating is evenly applied and that the fabric meets the necessary fire safety standards. Additionally, it is crucial to follow the testing and certification processes to ensure that the fabric is properly treated and compliant with fire safety regulations.

By using the coating technique, fabrics and textiles can be effectively protected against fire hazards without compromising their quality or appearance. This technique provides an added layer of safety and peace of mind, making it an essential consideration for industries and applications where fire safety is a concern.

The flame retardant effect in the red phosphorus microcapsule coating method is achieved through the release of red phosphorus when the fabric is exposed to heat or flame. Red phosphorus acts as a flame retardant by forming a protective layer of char when it comes into contact with fire. This char layer acts as a barrier, preventing the flame from spreading and reducing the flammability of the fabric.

Compared to impregnating flame retardants, the red phosphorus microcapsule coating method offers several advantages. Firstly, it provides a more efficient and long-lasting flame retardant solution. The microcapsules encapsulate the red phosphorus, protecting it from oxidation and degradation, resulting in a stable and durable flame retardancy even after multiple washes or long-term use.

Additionally, the microcapsule coating method allows for a more controlled and even distribution of the flame retardant on the fabric. This ensures that the flame retardant properties are consistent across the entire fabric surface, leading to improved fire protection.

Manufacture of Flame Retardant Fibers Technique

1.Enhance the heat-resistant stability of fiber polymers

(1) In the fiber polymer macromolecular chain to add aromatic rings or aromatic heterocycles, to enhance the rigidity of the molecular chain, the degree of aggregation of macromolecular chains and cohesion, and then such high thermal stability of polymers made of fibers by wet spinning.

(2) According to the fiber linear macromolecular chain cross-linking reflection into a three-dimensional cross-linking structure, blocking the carbon chain fracture, into a non-shrinking, non-melting flame retardant fiber.

(3) The fiber in the 200-300 ℃ air oxidation furnace stagnation half an hour or several hours so that the fiber macromolecules heat carbonization, into a flame retardant fiber.

2. Flame retardant modification of raw silk

(1) Copolymerization method: In the synthesis of fiber polymers, the compounds with phosphorus, halogen, sulfur and other flame retardant elements as copolymer monomers (reflective flame retardant) added to the macromolecular chain, and then add such flame retardant substances to the fiber.

(2) Blending method: the same as copolymerization method for the original filament modification, is the flame retardant added to the spinning melt or spinning flame retardant fiber way.

(3) Graft modification: using radiant heat, high-energy electron beam or chemical initiator to make the fiber (or textile) and vinyl-type flame-retardant monomer to produce graft copolymerization, is to obtain a highly efficient and durable way of flame-retardant modification. The flame retardancy of grafted flame-retardant modified fibers is related to the type of flame-retardant elements in the grafted monomer and the grafting position, and the grafting position influences the flame retardancy in the following order: core grafting > uniform grafting > surface grafting.

In short, by choosing certified flame retardant fabrics, you can be confident that you are investing in quality materials that prioritize fire safety. Fire safety is a serious issue, and the use of flame retardant fabrics is an important step in protecting life and property from the devastating effects of fire.

Guangzhou Yinsu Flame Retardant New Material Co., Ltd.

-WhatsApp:+86 17278575996

www.flameretardantys.com


Heat Resistant Fabric: An Overview

What is Heat Resistant Fabric?

The term heat resistant fabricheat resistant fabric covers a wide range of materials with one common property – thermal insulation. A heat resistant fabric will provide protection against extreme temperatures and they are available in a range of configurations depending on the application.

Types of Heat Resistant Fabrics

There are a large variety of heat resistant fabrics, each with their own specific properties making them suited to different applications.

Coated fabrics are a common heat resistant fabric that are used in many industries.  These fabrics are often used for protection purposes as they block the heat.  Typical coatings include neoprene, silicone, ceramic, and refractory. These coatings are popular as additional resistant properties are also provided, including abrasion, chemical, and UV resistance. They are also extremely durable, enabling their use in extreme environments.

Silica fabric and textiles are another type of heat resistant fabrics, and these fabrics have a continuous operating temperature of 982oC. They have low thermal conductivity making them perfect thermal barriers.  Refractory coatings provide high temperature resistance in extreme environments. The high resistance to a variety of chemicals, low porosity, excellent abrasion resistance, and general high strength make them one of the toughest industrial textile products in the world.

Heat resistant fabrics are also used in fabricated parts, specifically seals, curtains, and blankets, which are used as thermal insulation barriers.

Applications of Heat Resistant Fabric

Heat resistant fabrics serve a wide range of industries. The aerospace sector benefits greatly from these types of fabrics, as aeroplane components operate at extreme temperatures, which need to be contained away from the cabin and the cockpit for comfortable travel.

The fabrics can be used to ensure cargo containers are fire-resistant, for smoke seals in the cabin, in jet engine components and seals.

The robotics industry also heavily relies on heat resistant fabric for protection purposes. Robots are often used in conditions that are too dangerous for humans, such as intense heat. These fabrics are used as robot protection covers to reduce the risk of damage and to save the costs associated with any repairs.

Silica fabric is widely used in welding applications as its heat resistance provides excellent protection of personnel and equipment.

Heat resistant fabrics are also a popular choice where high temperature furnaces are used, as they can be used as linings, troughs, and burners. The high-temperature resistance enables these fabrics to ensure the linings and attachments within a furnace are sealed without the risk of melting in the extremely high temperatures. Additional properties such as splash and corrosion protection is also available for furnaces.

Heat Resistant Fabrics from Mid-Mountain Materials, Inc.

Mid-Mountain Materials, Inc. are experts in manufacturing heat resistant fabrics, due to our diverse material technologies and specialized engineering capabilities. We supply all of the different types of heat resistant fabrics mentioned above, and more.

We are able to manufacture products to specification, and our materials can withstand temperatures from 204oC to 2760oC. If you would like any information about any of our heat resistant fabrics please contact us.

Chemical Dipping Technique

In the chemical dipping technique, the fabric is submerged in a chemical solution that acts as a flame-resistant barrier when absorbed into the fibers. These chemicals undergo a chemical reaction when exposed to high heat, transforming gases and tars into carbon char and slowing down the fabric's burning pace. This method is particularly suitable for fabrics made from natural materials.

Coating Technique

The coating technique involves adding a fire-retardant back coating to the fabric instead of soaking it. This coating acts as a protective layer that inhibits the fabric's flammability. However, it should be noted that this process can result in a stiffer and less natural-looking drape compared to untreated fabrics.

First use a special process by the flame retardant wrapped in microcapsules, and then this microcapsules and reactive resin with the finishing solution, fabrics after rolling finishing solution, drying and baking and other processes, so that the flame retardant in the microcapsules in the fabrics on the stable deposition, so that the fabrics to obtain flame retardant properties. This method is suitable for some flame retardant molecules are small, and flame retardant molecules and fabric reactivity is small or even no reactivity of the flame retardant, after this finishing can also obtain durable flame retardant effect.

Flame Retardant Spinning Preparation, Manufacture of Flame Retardant Fibers, is a part of itself is flammable raw silk (such as polyester fabric, cotton, acrylic) to add a certain type of flame retardant, so that its control of free radicals in the combustion chain; or change the thermal decomposition of the fiber chain, prompting the dehydration of carbonization; there are some of them is to make the decomposition of the flame retardant to release the non-flammable gas body covering the surface of the fiber, to act as a barrier to the role of the air.

Above methods require thorough testing and certification to ensure the fire-retardant properties of the treated fabrics. Various industry standards, such as the NFPA 701 test, assess the fabric's ignition resistance after exposure to a flame for a specified duration. These tests evaluate factors such as after flame duration and char length to determine the fabric's fire-retardant capabilities.

By understanding the different techniques used in making flame-retardant fabrics, manufacturers can provide safer options for industries and individuals seeking to minimize the risk of fire incidents. These fabrics play a crucial role in fire protection, allowing for a faster escape time and reducing the potential for injuries and property damage.

 

Chemical Dipping Technique

One effective method of applying flame retardant to fabric or textile is through the chemical dipping technique. This technique involves submerging the fabric into a chemical solution that acts as a flame-resistant barrier when absorbed into the fibers. The chemicals used in this process undergo a chemical reaction when exposed to high heat, reducing the fabric's flammability.

To apply flame retardant using the chemical dipping technique, start by preparing a large pan with a solution of flame retardant chemicals and hot water. The specific chemicals used will depend on the desired level of fire resistance and the type of fabric being treated. Common flame retardant chemicals include alum, ammonium chloride, and ammonium phosphate.

Once the solution is prepared, fully immerse the fabric into the pan, ensuring that it is completely wet. Allow the fabric to soak in the solution for a sufficient amount of time to ensure thorough absorption of the flame retardant chemicals.

After soaking, carefully remove the fabric from the pan and place it in a non-drip plastic basket or hang it on a line to dry. It is important to choose a sunny day for this process, as the fabric needs to dry completely before use.

Once the fabric is dry, it can be used with the added benefit of flame resistance. It is important to note that the fabric may become slightly stiff compared to its original state, but it should still be flexible enough to mold to the desired shape.

By utilizing the chemical dipping technique, you can effectively apply flame retardant to fabric or textile, enhancing its fire resistance and ensuring a safer environment.

When it comes to applying flame retardant to fabric or textile, the coating technique is an effective method that retains the natural characteristics of the material while providing a powerful barrier against fire. This technique involves applying a specially formulated back-coating to the fabric, which helps to reduce the risk of ignition and slow down the spread of fire.

There are different options for the type of coating that can be used. For synthetic fabrics, acrylic resins or polyethylene terephthalate (PET) are commonly used. These coatings resist heat by raising the ignition temperature above that of a smoldering fire, providing a protective layer without compromising the comfort and feel of the fabric.

For natural fabrics such as cotton, a mixture of bromine, nitrogen compounds, and phosphate compounds is often used as a back-coating. This combination creates a protective layer that delays the flame from reaching the flammable hydrocarbons in the fabric, reducing the risk of fire while maintaining the fabric's natural elasticity, texture, and strength.

It is important to note that the coating technique should be done by professionals who have experience in applying flame retardant coatings. They can ensure that the coating is evenly applied and that the fabric meets the necessary fire safety standards. Additionally, it is crucial to follow the testing and certification processes to ensure that the fabric is properly treated and compliant with fire safety regulations.

By using the coating technique, fabrics and textiles can be effectively protected against fire hazards without compromising their quality or appearance. This technique provides an added layer of safety and peace of mind, making it an essential consideration for industries and applications where fire safety is a concern.

The flame retardant effect in the red phosphorus microcapsule coating method is achieved through the release of red phosphorus when the fabric is exposed to heat or flame. Red phosphorus acts as a flame retardant by forming a protective layer of char when it comes into contact with fire. This char layer acts as a barrier, preventing the flame from spreading and reducing the flammability of the fabric.

Compared to impregnating flame retardants, the red phosphorus microcapsule coating method offers several advantages. Firstly, it provides a more efficient and long-lasting flame retardant solution. The microcapsules encapsulate the red phosphorus, protecting it from oxidation and degradation, resulting in a stable and durable flame retardancy even after multiple washes or long-term use.

Additionally, the microcapsule coating method allows for a more controlled and even distribution of the flame retardant on the fabric. This ensures that the flame retardant properties are consistent across the entire fabric surface, leading to improved fire protection.

Manufacture of Flame Retardant Fibers Technique

1.Enhance the heat-resistant stability of fiber polymers

(1) In the fiber polymer macromolecular chain to add aromatic rings or aromatic heterocycles, to enhance the rigidity of the molecular chain, the degree of aggregation of macromolecular chains and cohesion, and then such high thermal stability of polymers made of fibers by wet spinning.

For more information, please visit Fire Rated Fabric Suppliers.

(2) According to the fiber linear macromolecular chain cross-linking reflection into a three-dimensional cross-linking structure, blocking the carbon chain fracture, into a non-shrinking, non-melting flame retardant fiber.

(3) The fiber in the 200-300 ℃ air oxidation furnace stagnation half an hour or several hours so that the fiber macromolecules heat carbonization, into a flame retardant fiber.

2. Flame retardant modification of raw silk

(1) Copolymerization method: In the synthesis of fiber polymers, the compounds with phosphorus, halogen, sulfur and other flame retardant elements as copolymer monomers (reflective flame retardant) added to the macromolecular chain, and then add such flame retardant substances to the fiber.

(2) Blending method: the same as copolymerization method for the original filament modification, is the flame retardant added to the spinning melt or spinning flame retardant fiber way.

(3) Graft modification: using radiant heat, high-energy electron beam or chemical initiator to make the fiber (or textile) and vinyl-type flame-retardant monomer to produce graft copolymerization, is to obtain a highly efficient and durable way of flame-retardant modification. The flame retardancy of grafted flame-retardant modified fibers is related to the type of flame-retardant elements in the grafted monomer and the grafting position, and the grafting position influences the flame retardancy in the following order: core grafting > uniform grafting > surface grafting.

In short, by choosing certified flame retardant fabrics, you can be confident that you are investing in quality materials that prioritize fire safety. Fire safety is a serious issue, and the use of flame retardant fabrics is an important step in protecting life and property from the devastating effects of fire.

Guangzhou Yinsu Flame Retardant New Material Co., Ltd.

-WhatsApp:+86 17278575996

www.flameretardantys.com


Heat Resistant Fabric: An Overview

What is Heat Resistant Fabric?

The term heat resistant fabric covers a wide range of materials with one common property – thermal insulation. A heat resistant fabric will provide protection against extreme temperatures and they are available in a range of configurations depending on the application.

Types of Heat Resistant Fabrics

There are a large variety of heat resistant fabrics, each with their own specific properties making them suited to different applications.

Coated fabrics are a common heat resistant fabric that are used in many industries.  These fabrics are often used for protection purposes as they block the heat.  Typical coatings include neoprene, silicone, ceramic, and refractory. These coatings are popular as additional resistant properties are also provided, including abrasion, chemical, and UV resistance. They are also extremely durable, enabling their use in extreme environments.

Silica fabric and textiles are another type of heat resistant fabrics, and these fabrics have a continuous operating temperature of 982oC. They have low thermal conductivity making them perfect thermal barriers.  Refractory coatings provide high temperature resistance in extreme environments. The high resistance to a variety of chemicals, low porosity, excellent abrasion resistance, and general high strength make them one of the toughest industrial textile products in the world.

Heat resistant fabrics are also used in fabricated parts, specifically seals, curtains, and blankets, which are used as thermal insulation barriers.

Applications of Heat Resistant Fabric

Heat resistant fabrics serve a wide range of industries. The aerospace sector benefits greatly from these types of fabrics, as aeroplane components operate at extreme temperatures, which need to be contained away from the cabin and the cockpit for comfortable travel.

The fabrics can be used to ensure cargo containers are fire-resistant, for smoke seals in the cabin, in jet engine components and seals.

The robotics industry also heavily relies on heat resistant fabric for protection purposes. Robots are often used in conditions that are too dangerous for humans, such as intense heat. These fabrics are used as robot protection covers to reduce the risk of damage and to save the costs associated with any repairs.

Silica fabric is widely used in welding applications as its heat resistance provides excellent protection of personnel and equipment.

Heat resistant fabrics are also a popular choice where high temperature furnaces are used, as they can be used as linings, troughs, and burners. The high-temperature resistance enables these fabrics to ensure the linings and attachments within a furnace are sealed without the risk of melting in the extremely high temperatures. Additional properties such as splash and corrosion protection is also available for furnaces.

Heat Resistant Fabrics from Mid-Mountain Materials, Inc.

Mid-Mountain Materials, Inc. are experts in manufacturing heat resistant fabrics, due to our diverse material technologies and specialized engineering capabilities. We supply all of the different types of heat resistant fabrics mentioned above, and more.

We are able to manufacture products to specification, and our materials can withstand temperatures from 204oC to 2760oC. If you would like any information about any of our heat resistant fabrics please contact us.

Contact us to discuss your requirements of high vis fabric supplier. Our experienced sales team can help you identify the options that best suit your needs.