Aramid fire-retardant and soundproof fabric for rail transit, enhancing safety and reducing noise pollution during travel
May 13,2025
Aramid flame-retardant fabric
In modern rail transit systems, safety and comfort are the core demands of passengers and the key direction for industry technology upgrades.
Kaitun Industry's aramid sound insulation cotton, with its technological breakthrough of "flame retardant + noise reduction" in one, provides comprehensive safety protection and a quiet experience for subways, high-speed trains, and intercity trains, redefining new standards for rail transit travel.
1. Flame retardant, fire resistant, and high temperature resistant
Limiting Oxygen Index (LOI) ≥28%, when encountering fire, it quickly carbonizes to form a dense heat insulation layer, blocking the spread of flames, and does not produce molten drops during combustion. It does not produce toxic smoke during combustion, and the toxicity level of combustion smoke is safe.
High temperature resistant, with heat insulation and heat preservation functions.
2. High-efficiency noise reduction capability
The structure of the needle-punched non-woven fabric is conducive to sound absorption and noise reduction.
3. Lightweight and environmentally friendly
Density is only 0.6-1.0g/cm³ (the density of traditional glass wool is 1.2-1.8g/cm³), reducing weight by more than 30%, and does not contain harmful substances such as asbestos and halogens.
Full-link protection from carriages to tunnels
As the seasons change, there is a group of workers silently working outdoors, braving the cold and heat, and sticking to their posts.
1. Train carriages
Roof and side walls: 2-5cm thick sound insulation cotton effectively isolates wheel-rail noise and aerodynamic noise, improving passenger comfort;
Equipment compartment: Encloses air conditioning units and traction motors, providing flame retardancy while reducing the transmission of equipment operating vibrations.
2. Underground tunnels
Moisture-proof aramid sound insulation cotton (with added nano-hydrophobic coating) is used, which can withstand a 90% humidity environment for a long time and prevent performance degradation caused by water seepage.
3. Elevated bridges
Used in combination with sound-absorbing panels to reduce noise interference to residential areas along the line and contribute to green urban construction.
Dual-drive of customization and modularization
1. Precise matching
Supports flexible adjustment of weight (100-800gsm), thickness (1-6mm), width (1-2.4m), and composite processes (composite adhesive, composite aluminum foil, blended pre-oxidized yarn, blended polyimide, composite base fabric, etc., such as anti-static, waterproof) to meet different protection needs.
2. Efficient delivery
Relying on the Jiangsu production base, the annual production capacity can meet the simultaneous delivery needs of dozens of EMUs, and the response cycle for urgent orders is short.
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E-mail:
gdkaidun@163.com
Phone/WeChat:
86-131-3828-6677
Address:
Room 401, Building 21, No. 1, Keqing Road, Yundonghai Street, Sanshui District, Foshan City, Guangdong Province
Guangdong Kaidun New Materials Co., Ltd.
Mobile phone: +86-181-4496-2927
Telephone: +86-0757-87785772
E-mail: gdkaidun@163.com
Address: Room 401, Building 21, No. 1, Keqing Road, Yundonghai Street, Sanshui District, Foshan City, Guangdong Province
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