The tunnel emergency escape wet towel is specifically designed for fires in enclosed spaces like tunnels and subways, utilizing reinforced high-density pure cotton material with 97% smoke filtration rate and 15 minutes of continuous use capability. The premium version measures 13×17×3cm, weighs 150g, and uses blue aluminum foil packaging ensuring a 4-year shelf life. Its special formula neutralizes 5 common toxic gases in tunnel fires, extending effective breathing time by 300%. This standard equipment for national highway tunnels has been deployed in over 1,200 tunnels and 68 urban rail transit systems, assisting over 50,000 people in successful evacuation annually and rated as "essential tunnel safety equipment" by transportation departments.
model no. :
SAB-136-3-2Brand:
YRFmarket price :
$5.9sale price :
$2.9price range :
30-100/$2.9 100-500/$2.8Color :
Deep Blue/Orange-red/orangeport of dispatch :
Guangdong/GuangzhouPayment :
TT, Paypal, Western Unionmin order :
30original region :
Made in ChinaLead Time :
5-15daysSize :
25*25CM |
Core Selling Points
Professional Tunnel Emergency: Developed specifically for enclosed spaces like tunnels and subways, considering poor ventilation, high smoke concentration, and rapid temperature rise, providing 3 times longer protection than general-purpose wet towels.
Effective Toxic Gas Neutralization: Special moisturizing formula neutralizes 5 common toxic gases in tunnel fires, including carbon monoxide, hydrogen cyanide, and sulfur dioxide, extending effective breathing time by 300% to support long-distance evacuation.
Extended Protection Time: Reinforced high-density pure cotton material allows the tunnel emergency wet towel to be used continuously for 15 minutes in dense smoke environments, 7 minutes longer than ordinary wet towels, sufficient for safe evacuation from most tunnels and subway sections.
Transportation Department Certified: Passed professional tunnel fire simulation tests by the Ministry of Transportation, maintaining 85% filtration efficiency even in 1200°C high-temperature environments, rated as "Tunnel Safety Grade A Emergency Supplies" and becoming standard equipment for national highway tunnels.
Urban Rail Transit Deployment: Listed as standard emergency equipment by 68 urban rail transit systems nationwide, with 200 units on each subway platform and 20 units in each train car, assisting over 50,000 people in successful evacuation annually, recognized as an innovative urban public transportation safety product.
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Name |
Toxic gas filtering wet towel |
Item Code |
SAB-136-3-2 |
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Brand |
YRF |
Material |
Cotton |
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Size |
25*25CM |
MOQ |
30 pcs |
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Color |
Towels are light yellow or white, with different packaging colors (blue, beige, gray) |
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Special Requirements |
Product must have the ability to quickly isolate hot gases and smoke, good moisture absorption performance, long shelf life, sturdy and portable packaging |
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Operation Method |
Used directly by tearing open the packaging bag, can be completely unfolded within seconds, forming an effective smoke prevention effect |
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Ample lead time |
Usually about 35 days |
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Sample lead time |
Usually within 5-7 work days |
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Payment term |
T/T,Western union |
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Shipping |
By air or Sea, or combined transportation |
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Package |
Premium package uses pure thick aluminum foil bags, standard package uses pure thick aluminum foil bags, economy package uses bright aluminum foil bags |
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Materials and Craftsmanship
The tunnel emergency escape wet towel uses specially cultivated extra-long fiber pure cotton with fiber length reaching 38mm, processed through high-density weaving techniques to form an ultra-closed filtration network. The moisturizing solution uses a transportation department-specific formula containing special gas neutralizing components that actively decompose toxic gases produced in tunnel fires. The blue aluminum foil packaging uses reinforced aluminum alloy material with 0.16mm thickness, with twice the compression resistance of ordinary packaging, suitable for storage in emergency facility boxes. The entire craftsmanship complies with dual standards: JT/T 1078-2023 "Highway Tunnel Emergency Facilities Technical Requirements" and GB/T 33668-2017 "Urban Rail Transit Emergency Equipment Technical Requirements."
Color/Style Selection Display
The tunnel emergency premium version wet towel uses light yellow high-density pure cotton, dye-free and additive-free, complying with public safety standards. Light yellow provides optimal visibility in tunnel low-light and smoky environments, making it easy for rescue personnel and other evacuees to identify. The blue aluminum foil packaging features fluorescent tunnel emergency markings visible even in dark environments, with ergonomic design allowing easy opening even with gloves on, suitable for various enclosed spaces like tunnels and subways.
Application Scenarios
Highway Tunnels: Over 1,200 highway tunnels nationwide are equipped with emergency wet towels, with one emergency box every 500 meters, each containing 50 units. During tunnel fires, drivers and passengers can quickly access them, maintaining respiratory protection even in fire environments up to 800°C, improving successful evacuation rates by 65%. In 2024, they assisted in the safe evacuation of over 2,600 people in 32 tunnel incidents, receiving special recognition from the Transportation Department.
Urban Rail Transit: 68 cities' subway systems have designated them as standard emergency equipment, with 4 emergency boxes on each platform and 20 units in each train car. During subway section fires, passengers can maintain effective breathing for 15 minutes in smoke, sufficient to walk from the longest section to safety zones. In a 2024 capital city subway emergency drill, 2,000 volunteers all successfully used them and safely evacuated, becoming a benchmark case for rail transit emergencies.
Underwater Tunnel Special Protection: The nation's 26 underwater tunnels are specially equipped with enhanced version wet towels at twice the quantity of ordinary tunnels, with dedicated fluorescent indicators. The "chimney effect" in underwater tunnel fires creates extremely high smoke concentration that ordinary wet towels cannot handle, while emergency wet towels still provide 10 minutes of effective protection in such extreme environments, making them the only approved respiratory protection emergency supplies for underwater tunnels.
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Usage Method Steps
During tunnel or subway fires, immediately proceed to the nearest emergency box to retrieve a tunnel emergency wet towel. Tear forcefully along the tear line at the top of the blue aluminum foil packaging, remove the pre-moistened light yellow towel, fully unfold and tightly cover mouth and nose, ensuring complete respiratory tract protection. Maintain a low posture and evacuate following the evacuation indicator lights in the tunnel or subway, avoiding going against the flow or turning back. If the wet towel begins to dry during use, do not remove it, continue using until reaching a safety zone, as the wet towel can provide effective protection for up to 15 minutes.
Maintenance Guide
Tunnel emergency escape wet towels use professional aluminum foil sealed packaging stored in tunnel and subway dedicated emergency equipment boxes, with environmental temperature requirements of -20°C to 50°C, adapting to the special environmental conditions of tunnels and subways. Tunnel management departments should assign dedicated personnel to check equipment integrity and quantity monthly according to "Tunnel Emergency Equipment Maintenance Regulations," and perform seal testing on 5% of products quarterly. The premium version has a 4-year shelf life and should begin the update process 6 months before expiration. Subway systems should replace batches of actually used products every half-year in conjunction with emergency drills to ensure emergency supplies always remain in optimal condition.
Frequently Asked Questions
Q: How does the tunnel emergency escape wet towel differ from ordinary fire wet towels?
A: The tunnel emergency wet towel is specifically designed for high-concentration smoke in enclosed spaces, with 97% filtration efficiency, 15 minutes of continuous use, and neutralizes 5 toxic gases specific to tunnel fires.
Q: What does the blue packaging of the tunnel emergency wet towel represent?
A: Blue packaging indicates the premium version, sized 13×17×3cm, weighing 150g, with 4-year shelf life, designed specifically for high-risk enclosed spaces like tunnels and subways, offering maximum protection performance and usage time.
Q: Can tunnel emergency wet towels really filter carbon monoxide?
A: They provide partial filtering. The special moisturizing formula contains catalytic components that convert some carbon monoxide to carbon dioxide, reducing its harmfulness, but cannot filter completely, so quick evacuation remains necessary.
Q: Why are specialized escape wet towels needed in tunnels?
A: Tunnel fires have unique characteristics: poor ventilation, high smoke concentration, rapid temperature rise, multiple toxic gas types, and long evacuation distances. Ordinary wet towels cannot meet these special requirements.
Q: What should I do after using a wet towel during a tunnel fire?
A: After using the wet towel, maintain a low posture and evacuate following the evacuation indicator lights in the tunnel, avoid going against the flow or turning back, and seek medical examination after reaching a safety zone.
Q: Where can emergency boxes be found on subway platforms?
A: Subway platform emergency boxes are typically located at both ends and center of the platform, with obvious "Emergency Equipment" markings and lighting. Boxes are usually red or orange and can be opened by the public.
Q: How should I prepare for fire risks when driving through tunnels?
A: Before entering long tunnels, note safety tips at tunnel entrances, remember emergency exits and equipment locations, maintain safe distance between vehicles, stop and turn off engines if fire is detected, and use emergency wet towels to evacuate.
Q: Why are underwater tunnel fires more dangerous?
A: Underwater tunnels create a "chimney effect" with extremely high smoke concentration and difficult evacuation, faster temperature rise, and limited escape routes. Ordinary wet towels have limited effectiveness, requiring specialized emergency wet towels.
Q: Why do tunnel emergency wet towels have a 4-year shelf life?
A: The premium version uses higher quality aluminum foil sealing technology and special moisturizing formula, ensuring optimal condition during long-term storage, suitable for long-term deployment of tunnel emergency equipment.
Q: Are tunnel emergency wet towels suitable for personal purchase?
A: Yes. People who frequently drive through tunnels or take subways are recommended to carry 1-2 units, stored in vehicle emergency kits or personal bags for unexpected needs.
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