1、 Overview of the Plan

Rock wool board has wide application value in the field of transportation due to its comprehensive properties such as A-level fire resistance, thermal insulation, sound absorption and noise reduction. This plan covers major application scenarios such as vehicle manufacturing, shipbuilding, transportation hub construction, and insulation of transport tankers, providing a systematic rock wool board application solution for transportation projects.

1.1 Classification of Application Scenarios

Application Category Specific Scenarios Core Functions

Thermal insulation and fire isolation of buildings and station facilities in the rail transit vehicle base

Highway vehicles, bus bodies, car air conditioning systems, insulation, energy saving, fire safety

Ship construction cabin fire separation, ceiling, deck fire insulation, sound insulation and noise reduction

Transportation hub airport terminal, toll station, service area building insulation, fire safety

Transport equipment: Tank transport vehicles, refrigerated trucks, medium insulation, temperature maintenance

2、 Application in the field of rail transit

2.1 Vehicle Base and Station Buildings

The supporting facilities such as vehicle bases and stations in rail transit projects have high requirements for building insulation and fire resistance performance.

Typical application case: The Xiong'an New Area to Beijing Daxing International Airport Express Project has set up one vehicle base along the entire line, using A-grade rock wool board (TR15) for external wall insulation, totaling approximately 2798 cubic meters.

Technical parameter requirements:

-Rock wool board type: Grade A TR15

-Thickness specifications: 60mm, 100mm

-Application area: External walls of various buildings in the vehicle base

2.2 Supporting Facilities for Highways

The toll stations, office buildings, service areas and other buildings along the expressway are insulated and energy-saving with rock wool boards.

Typical application case: The Fengyang Fangzheng section of the Tieke National Expressway project uses 750 cubic meters of rock wool board for the office building of the Tonghexi Interchange toll station.

Technical Requirements:

-Combustion performance: Class A

-Dry density: ≥ 140kg/m ³

-Thermal conductivity: ≤ 0.040 W/(m · K)

-Hydrophobic rate: ≥ 98%

3、 Application in the field of highway vehicles

3.1 Bus body insulation structure

The bus body adopts rock wool board as the insulation layer material, replacing traditional soundproof cotton, achieving multifunctional integration of insulation, heat insulation, sound insulation, and fire prevention.

Structural design:

-Cover the exterior of the vehicle frame with the body panel

-A rock wool insulation layer is installed between the inner aluminum alloy plate and the outer aluminum alloy plate

-The rock wool layer plug is installed inside the vehicle crossbeam to form a fireproof and insulation structure

Performance advantages:

-Block high temperatures outside the car in summer to prevent air conditioning from dissipating

-Maintain the temperature inside the car in winter and reduce heating energy consumption

-Combining sound insulation and earthquake resistance functions

-Especially suitable for new energy buses and electric buses, it can reduce energy consumption and increase range

3.2 Insulation of Automotive Air Conditioning Ducts

The automotive air conditioning duct adopts insulation rock wool layer to improve the energy efficiency of the air conditioning system.

Typical structure:

-The first shell and the second shell are hinged to wrap around the pipeline

-A spring is installed on the inner side of the shell to provide preload force

-The insulation rock wool layer is tightly attached to the surface of the pipeline

-Cooperate with airbags to fill gaps and enhance bonding stability

Technical effect:

-Reduce air conditioning cooling/heat loss

-Improve the energy efficiency of air conditioning systems

-Improve passenger comfort

4、 Application in the field of ships

4.1 Cabin Fire Separation

The ship cabin adopts composite rock wool board as the fireproof partition material, which meets the fire safety requirements of the International Maritime Organization (IMO).

Application location:

-Fireproof wall panels between upper and lower decks

-Partition walls for different fire compartments

-Isolation between cabin and living quarters

Technical Requirements:

-Adopting composite rock wool board (metal panel+rock wool core material)

-Thickness: 50-100mm

-Fire resistance: able to withstand high temperatures of 800 ℃ for more than 1 hour

-Complies with the SOLAS Convention's requirements for compartment fire zoning

4.2 Ship Ceiling and Interior Decoration

Composite rock wool board structure:

-Surface layer: galvanized steel plate or stainless steel plate (protective layer)

-Core material: Rock wool made by melting basalt (density 40-200kg/m ³)

-Inner layer: PVC film or nano coating (anti-corrosion)

Installation method:

-Concave design of metal base with four sides bent

-Seamless installation of T-shaped hanging connectors

-The fire integrity time can reach more than 120 minutes

Technical advantages:

-Modular splicing design increases installation efficiency by 60%

-Detachable connector structure with precision adjustment up to 0.5mm level

-Compared to traditional solutions, it reduces thickness by 23% and increases the effective usable area

5、 Application in the field of transportation hubs (airports)

5.1 Airport Terminal Building

The airport terminal has strict requirements for fire safety, insulation and energy conservation, sound insulation and noise reduction, and rock wool board can provide a comprehensive solution.

Application location and function:

Application Parts Product Types Core Functions

Roof rock wool board is lightweight, high-strength, energy-saving, thermal insulation, fireproof and soundproof

Exterior wall rock wool board insulation, fire safety

Internal partition wall, rock wool board for fire and sound insulation, creating a peaceful space

High temperature smoke emission guarantee for smoke exhaust ducts and fire-resistant cotton

Typical case:

-Ningbo Lishe International Airport

-Hong Kong International Airport

-Nanjing Lukou Airport

-Chongqing Jiangbei International Airport

-Guangzhou Baiyun Airport Phase III

5.2 Freight Warehouse and Supporting Buildings

The supporting buildings such as airport cargo buildings and aviation logistics centers also use rock wool boards for insulation and fire prevention treatment to ensure the safety of cargo storage.

6、 Application in the field of transportation equipment

6.1 Thermal insulation of tank transport vehicles

Asphalt transport vehicles, hot oil transport vehicles and other tank type vehicles need to maintain the temperature of the medium inside the tank, using rock wool board as the insulation material.

Composite insulation structure:

-Internal insulation layer: rock wool material (closely attached to the tank wall, allowing high working temperature)

-External insulation layer: polyurethane material (with low thermal conductivity)

-Protective shell: galvanized iron sheet (outermost protection)

Technical advantages:

-Resolve the contradiction between the inability of a single insulation material to balance high temperature resistance and low thermal conductivity

-The inner layer of rock wool is resistant to high temperatures, while the outer layer of polyurethane provides excellent insulation performance

-Performance verification: Asphalt can is loaded at 160 ℃, and the temperature drop within 48 hours is only 32 ℃ (with an average ambient temperature of 5 ℃)

6.2 Refrigerated/Insulated Transport Vehicles

Cold chain logistics vehicles use rock wool board as the insulation material for the cargo compartment to maintain stable temperature in the cargo hold.

7、 Material selection and technical standards

7.1 Suggestions for selection of rock wool board

Recommended Application Scenarios Density (kg/m ³) Thickness (mm) Key Performance

Rail transit building Class A TR15 ≥ 140 60-100 hydrophobicity ≥ 98%

Bus body ordinary rock wool board 60-100 20-40 with sound insulation

Composite rock wool board for ship cabins 80-120 50-100 Class A fire protection

Tank car insulation, high temperature resistant rock wool 100-150 50-80, temperature resistance ≥ 600 ℃

High strength rock wool in airport terminal building, with a compressive strength of ≥ 40kPa between 50-100

7.2 General Technical Requirements

-Combustion performance level: A1/A (non combustible material)

-Thermal conductivity: ≤ 0.040 W/(m · K) (at room temperature)

-Hydrophobic rate: ≥ 98% (for humid environments)

-Working temperature range: -50 ℃~+600 ℃ (depending on the specific product)

-Corrosion resistance: After coating the surface of composite rock wool board with nano coating, the corrosion resistance can be improved to 2.5 times that of ordinary board

8、 Key points of construction and installation

8.1 Vehicle and Ship Installation

1. Installation of composite rock wool board: using mortise and tenon connection structure or clamping method, with concave and convex interfaces set on all four sides of the board to achieve insertion

2. Air conditioning duct wrapping: using a split type shell wrapping, springs provide pre tension to ensure that the insulation layer fits snugly

3. Fireproof wall panel fixation: Cooperate with the top profile triple fixing structure to ensure fire integrity

8.2 Transportation Building Installation

1. Duct insulation: fix the rock wool board with insulation nails and pressure plates, apply an aluminum foil protective layer on the outside, and bond the joints with aluminum foil tape

2. External wall insulation: using thin plastering system or dry hanging system, rock wool board pasting+anchor bolt fixation

3. Roof insulation: double-layer staggered laying to prevent cold bridges

9、 Summary of the plan

9.1 Summary of Technical Advantages

Specific manifestations of advantageous dimensions

Fire safety grade A non combustible, capable of withstanding high temperatures above 800 ℃ in ship applications

Thermal insulation and energy-saving with a thermal conductivity coefficient as low as 0.040W/(m · K), significantly reducing energy consumption

Lightweight density can be as low as 60kg/m ³, suitable for vehicles that are sensitive to their own weight

Good durability and chemical stability, with a service life synchronized with the main structure

Environmentally friendly and healthy inorganic materials, asbestos free, no harmful gas release

9.2 Scope of Application

This plan is applicable to:

-Supporting facilities such as rail transit vehicle bases and stations

-Construction projects such as toll stations and service areas on highways

-Thermal insulation structure for bus and new energy vehicle bodies

-Various types of ship cabin interior decoration and fire separation

-Transportation hubs such as airport terminals and freight stations

-Specialized transportation equipment such as asphalt tankers and cold chain transport vehicles