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Product Description:
Introducing our JY-SG (S) indoor non-intumescent steel structure fire retardant paint – the latest advancement in fire protection technology from our company. Crafted as a second-generation solution, this innovative product is formulated with gypsum as its primary ingredient, enhanced with a blend of lightweight inorganic insulation materials boasting low thermal conductivity. With its high strength and minimal load, it offers unparalleled convenience in construction, enabling seamless application and forming in a single step. Free from asbestos and benzene, it prioritizes safety and environmental responsibility, ensuring a non-toxic, eco-friendly, and healthy solution. During a fire event, it emits minimal smoke with low toxicity, meeting AQ1 level requirements for indoor air quality. Ideal for safeguarding a variety of indoor steel structures, from upscale office buildings to residential apartments, convention centers, and towering skyscrapers, this coating sets a new standard for fire protection.
Main Feature:
Our GT-NSF-Fp-JY-SG indoor non-intumescent steel structure fire retardant coating represents the pinnacle of innovation in fire protection. Developed as a gypsum-based, water-based formulation, it surpasses the requirements outlined in the GB14907-2018 standard for non-intumescent fire retardant coatings for interior spaces. With its green and environmentally friendly composition, it provides unmatched fire resistance and physical properties, ensuring the utmost safety for indoor steel structures.
Base treatment and construction methods:
1. Substrate treatment:
1.1 Surface treatment of steel structures is the basic condition to ensure the durability of fire retardant coatings. According to different base materials, the surface treatment of steel structures should be as follows:
1.1.1 New ordinary steel structure surface
After the steel structure surface is sandblasted and derusted, a matching anti-rust and anti-corrosion coating is applied. It is recommended to use an epoxy zinc-rich primer + epoxy mica iron intermediate paint system.
1.1.2 Galvanized steel surface
In order to ensure good bonding performance with fire retardant coatings, epoxy coating transition paint must be used before construction.
1.1.3 Old steel structure or old primer surface
If the primer is not damaged and the surface is clean, check the compatibility of the fire retardant coating and the primer; if there is no primer or the primer is seriously damaged, the anti-corrosion coating must be removed and re-applied before construction.
1.2 Before construction, thoroughly check whether the steel parts have anti-rust and anti-corrosion coatings, whether there are dust, oil stains, and rust spots, and check whether the steel beams and columns have cracks and improper welding. Construction can begin only after the inspection shows that there are no problems.
1.3 Steel parts that have not been rust-proofed must be rust-proofed (this process is generally the responsibility of the user).
2. Construction of fire retardant coating:
2.1 First floor construction
Coating ratio: JY-SG powder: matching glue = 10:1. First, mix glue and water according to 1:1 and then stir together with the powder. Then add an appropriate amount of water and stir thoroughly (add when batching) The amount of water can be determined according to the on-site construction conditions to facilitate construction).
Application method: Spraying, the coating thickness is 3~4mm, and the surface is pitted. The next process can be carried out after the coating has been cured for 24 hours.
2.2 Remaining coating construction
2.2.1 Recommended ratio: JY-SG powder: water = 1:1.1~1.2. Add the weighed fire retardant coating powder and appropriate amount of water to the mixer (the amount of water added during batching can be determined according to the on-site construction conditions, so that Suitable for construction), stir thoroughly for 5 to 8 minutes before construction can begin.
2.2.2 Construction of fire retardant coating
The construction of fire-retardant coating can be sprayed with a squeeze mortar pump, sprayed with a self-weight spray gun or applied by hand.
2.3 Spraying construction essentials:
2.3.1 Fire retardant coating can be sprayed in one go. The specific spraying method depends on the construction environment, temperature and site conditions. Generally, the surrounding construction method can be used to spray around the steel structure until the required thickness is reached.
2.3.2 When spraying, the spray gun should be perpendicular to the steel part to be sprayed, the distance is preferably 0.5~0.6 meters, the air pressure should be maintained at 0.6~0.8MPa, and the diameter of the spray gun mouth should be 8~12mm (if a self-weight spray gun is used, the diameter of the gun mouth should be 6-8mm) . The moving speed of the spray gun should be uniform to avoid staying in one place for too long and causing the sprayed material to accumulate.
2.3.3 Use a trowel to wipe the corners that cannot be sprayed until the required thickness is reached. During the spraying process, master the spraying distance and angle to minimize rebound. Floor-standing paint must not be re-mixed for use.
2.3.4 Special reinforcement measures: In order to improve the overall performance of the coating when there are structures that are not completely wrapped by the coating and when there are vibrations or special strength requirements, it is recommended to adopt a fiberglass mesh reinforcement solution. When the coating is constructed to a position slightly inside the middle of the designed total thickness, wrap a high-strength fiberglass mesh with an overlap of 5-10cm. After adding the mesh, use a spatula to compact the mesh in one direction, paying attention to the corners. Compaction of joints and joints.
2.4 Tips for plastering construction:
2.4.1 Construction is usually divided into two layers according to the design thickness: the first layer should be thin, generally ≤5mm. When the surface is 70 to 80% dry, apply the second layer, and apply the second layer to the design thickness.
2.4.2 Pay attention to compaction when applying, and the coating surface should not be smooth. It can be made into a rough surface, which is beneficial to the bonding of the upper and lower layers.
Construction Notes:
1. Fire-retardant coatings must be protected from rain and moisture during transportation and storage. Fire-retardant coatings must not be used when they solidify and agglomerate.
2. The mixed paint should be used up within 30 minutes each time. If it thickens during use, add a small amount of water and stir evenly.
3. The construction parts need to be covered, and the coating should be protected from rainwater after construction.
4. After the construction is completed, clean the equipment and tools with water.
5. The coating temperature should be above 5℃.
6. Beams and columns should be prevented from strong vibration and collision within one week after coating application.
7. Pay attention to safety and take safety precautions.
Product Description:
Introducing our JY-SG (S) indoor non-intumescent steel structure fire retardant paint – the latest advancement in fire protection technology from our company. Crafted as a second-generation solution, this innovative product is formulated with gypsum as its primary ingredient, enhanced with a blend of lightweight inorganic insulation materials boasting low thermal conductivity. With its high strength and minimal load, it offers unparalleled convenience in construction, enabling seamless application and forming in a single step. Free from asbestos and benzene, it prioritizes safety and environmental responsibility, ensuring a non-toxic, eco-friendly, and healthy solution. During a fire event, it emits minimal smoke with low toxicity, meeting AQ1 level requirements for indoor air quality. Ideal for safeguarding a variety of indoor steel structures, from upscale office buildings to residential apartments, convention centers, and towering skyscrapers, this coating sets a new standard for fire protection.
Main Feature:
Our GT-NSF-Fp-JY-SG indoor non-intumescent steel structure fire retardant coating represents the pinnacle of innovation in fire protection. Developed as a gypsum-based, water-based formulation, it surpasses the requirements outlined in the GB14907-2018 standard for non-intumescent fire retardant coatings for interior spaces. With its green and environmentally friendly composition, it provides unmatched fire resistance and physical properties, ensuring the utmost safety for indoor steel structures.
Base treatment and construction methods:
1. Substrate treatment:
1.1 Surface treatment of steel structures is the basic condition to ensure the durability of fire retardant coatings. According to different base materials, the surface treatment of steel structures should be as follows:
1.1.1 New ordinary steel structure surface
After the steel structure surface is sandblasted and derusted, a matching anti-rust and anti-corrosion coating is applied. It is recommended to use an epoxy zinc-rich primer + epoxy mica iron intermediate paint system.
1.1.2 Galvanized steel surface
In order to ensure good bonding performance with fire retardant coatings, epoxy coating transition paint must be used before construction.
1.1.3 Old steel structure or old primer surface
If the primer is not damaged and the surface is clean, check the compatibility of the fire retardant coating and the primer; if there is no primer or the primer is seriously damaged, the anti-corrosion coating must be removed and re-applied before construction.
1.2 Before construction, thoroughly check whether the steel parts have anti-rust and anti-corrosion coatings, whether there are dust, oil stains, and rust spots, and check whether the steel beams and columns have cracks and improper welding. Construction can begin only after the inspection shows that there are no problems.
1.3 Steel parts that have not been rust-proofed must be rust-proofed (this process is generally the responsibility of the user).
2. Construction of fire retardant coating:
2.1 First floor construction
Coating ratio: JY-SG powder: matching glue = 10:1. First, mix glue and water according to 1:1 and then stir together with the powder. Then add an appropriate amount of water and stir thoroughly (add when batching) The amount of water can be determined according to the on-site construction conditions to facilitate construction).
Application method: Spraying, the coating thickness is 3~4mm, and the surface is pitted. The next process can be carried out after the coating has been cured for 24 hours.
2.2 Remaining coating construction
2.2.1 Recommended ratio: JY-SG powder: water = 1:1.1~1.2. Add the weighed fire retardant coating powder and appropriate amount of water to the mixer (the amount of water added during batching can be determined according to the on-site construction conditions, so that Suitable for construction), stir thoroughly for 5 to 8 minutes before construction can begin.
2.2.2 Construction of fire retardant coating
The construction of fire-retardant coating can be sprayed with a squeeze mortar pump, sprayed with a self-weight spray gun or applied by hand.
2.3 Spraying construction essentials:
2.3.1 Fire retardant coating can be sprayed in one go. The specific spraying method depends on the construction environment, temperature and site conditions. Generally, the surrounding construction method can be used to spray around the steel structure until the required thickness is reached.
2.3.2 When spraying, the spray gun should be perpendicular to the steel part to be sprayed, the distance is preferably 0.5~0.6 meters, the air pressure should be maintained at 0.6~0.8MPa, and the diameter of the spray gun mouth should be 8~12mm (if a self-weight spray gun is used, the diameter of the gun mouth should be 6-8mm) . The moving speed of the spray gun should be uniform to avoid staying in one place for too long and causing the sprayed material to accumulate.
2.3.3 Use a trowel to wipe the corners that cannot be sprayed until the required thickness is reached. During the spraying process, master the spraying distance and angle to minimize rebound. Floor-standing paint must not be re-mixed for use.
2.3.4 Special reinforcement measures: In order to improve the overall performance of the coating when there are structures that are not completely wrapped by the coating and when there are vibrations or special strength requirements, it is recommended to adopt a fiberglass mesh reinforcement solution. When the coating is constructed to a position slightly inside the middle of the designed total thickness, wrap a high-strength fiberglass mesh with an overlap of 5-10cm. After adding the mesh, use a spatula to compact the mesh in one direction, paying attention to the corners. Compaction of joints and joints.
2.4 Tips for plastering construction:
2.4.1 Construction is usually divided into two layers according to the design thickness: the first layer should be thin, generally ≤5mm. When the surface is 70 to 80% dry, apply the second layer, and apply the second layer to the design thickness.
2.4.2 Pay attention to compaction when applying, and the coating surface should not be smooth. It can be made into a rough surface, which is beneficial to the bonding of the upper and lower layers.
Construction Notes:
1. Fire-retardant coatings must be protected from rain and moisture during transportation and storage. Fire-retardant coatings must not be used when they solidify and agglomerate.
2. The mixed paint should be used up within 30 minutes each time. If it thickens during use, add a small amount of water and stir evenly.
3. The construction parts need to be covered, and the coating should be protected from rainwater after construction.
4. After the construction is completed, clean the equipment and tools with water.
5. The coating temperature should be above 5℃.
6. Beams and columns should be prevented from strong vibration and collision within one week after coating application.
7. Pay attention to safety and take safety precautions.
