High Tech Aramid Conveyor Belt

High Tech Aramid Conveyor Belt

Reduce self-weight by 30% to 60%
Energy Conservation and Reduced Consumption
Extended Service Life — 2 to 3 Times Longer Than Conventional Steel-Cord Belts
Single layer of Aramid carcass, no delamination between layers
Adapted to High-Humidity Underground and Extreme Outdoor Environments
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Description
Technical Parameters

Aramid conveyor belts represent a new generation of industrial conveying equipment that has achieved significant technological breakthroughs in recent years in terms of high strength, lightweight design, energy efficiency, environmental friendliness, and long service life. Compared to traditional steel-cord conveyor belts, aramid conveyor belts can reduce self-weight by 30% to 60% while maintaining equivalent strength, and decrease operational power consumption by 40% to 50%. They are particularly suitable for bulk material conveying applications involving ultra-long distances, high throughput, and complex operating conditions in sectors such as coal mines, metal mines, and port terminals.

Aramid Conveyor belt solution
Contitech steel core packaging

According to forecasts by authoritative institutions, global sales of aramid conveyor belts are expected to reach nearly 2 billion yuan by 2030, with a compound annual growth rate (CAGR) of approximately 3.4%. China has become the world's most important manufacturing and consumption hub for aramid conveyor belts. In the global flame-retardant conveyor belt market, China accounts for 43% of global production capacity, with a CAGR of 6.8%. End-user companies are accelerating their transition to high-performance aramid fabric-cored conveyor belts. Correspondingly, the industrial applications of aramid fibers are also expanding continuously. In 2025, the global market size for aramid fibers used in rubber belts was approximately $235 million, and it is projected to grow to $372 million by 2030, with a compound annual growth rate of about 6.9%.

 

Technical Parameters

Application Features

Tensile Strength

DPP1000, DPP1600, DPP2000, DPP2500, DPP3150, DPP4000, DPP 4500

Longitudinal elongation at break

15%~18%

Rubber Cover thickness

Top 6-25mm, bottom 3-15mm

Cover standard

ISO, DIN, GB, MT914, BS3289, and HG2805

Flame Retardancy

Drum friction test: Drum surface temperature ≤ 325°C, with no signs of combustion

Alcohol lamp combustion test: Average time ≤ 3.0 s; individual test results ≤ 10.0 s

Electrical Conductivity

Surface resistance ≤ 1 × 10⁸ Ω

The angle of inclination

The maximum angle of inclination is 30° to 45°, which is superior to the ≤25° limit of steel-cord conveyor belts.

● Strength Grade: Select from the DPP1000 to DPP4000 series (or higher) based on actual conveying distance and material volume requirements to ensure a safety factor of 10 or higher.

● Cover Rubber Type: Select based on material abrasiveness (abrasion rate ≤ 200 mm³), temperature (ambient/200°C resistance/cryogenic resistance), corrosion resistance, and flame-retardant safety requirements.

 

The highly oriented molecular chains of aramid fibers endow the material with four exceptional properties: tensile strength 5 to 6 times that of steel wire, reaching as high as 193.6 cN/tex; a density of only about one-fifth that of steel wire (approximately 1.44 g/cm³); a decomposition temperature exceeding 500°C, allowing for continuous use at temperatures up to 300°C; and inherent flame-retardant properties combined with excellent resistance to acids and alkalis. These breakthroughs in physical and chemical properties make aramid the optimal choice for replacing steel wire rope cores.

High technology aramid fabric-cored conveyor belts, with their unparalleled material advantages, systematic energy-saving and consumption-reduction applications, and intelligent lifecycle management, have already redefined - and will continue to redefine - the standards for safety, efficiency, and low-carbon operations in primary mining transportation systems. The current industrial upgrade is shifting from being "experience-driven" to "technology-driven". The widespread adoption of High technology aramid conveyor belts represents not merely a simple upgrade of traditional facilities, but a landmark step for the entire material handling industry toward higher quality, greater efficiency, and greater intelligence.

High tech Aramid Conveyor belt for coal mining

 

With multiple advantages - including lightweight and energy-efficient design, high tensile strength and tear resistance, long service life and corrosion resistance, and digitalized operation and maintenance - aramid conveyor belts are gradually becoming the core upgrade equipment for material handling systems in heavy industrial sectors such as deep-well coal mines, copper and iron ore mines, major seaports, cement and building materials plants, and thermal power plants. For professionals responsible for equipment selection in major projects such as mines and ports, choosing aramid conveyor belts means more than just selecting a high-performance conveyor belt; it represents a comprehensive solution that offers low energy consumption, high safety, long service life, and full-cycle intelligent management. Selecting a product that combines high quality, reliability, and advanced technology will directly translate into improved overall project efficiency and continuous optimization of total costs.

 

FAQ

 

 

Q1: Where have aramid belts been successfully installed in mining?

A: Global mining aramid belt reference sites include:
● Underground coal mine main trunk belt: 3150S DPP aramid, 1600mm width × approx. 5 km (permanent splice integrity)
● Open-pit copper mine overland system: high-tonnage primary crusher to leach pad, flexible for topographic contours
● High-tonnage overland limestone belt (cement quarry): replacement of steel cord belt achieving

Q2: How do I choose the correct tensile strength grade for my mining application?

A: The required tensile strength depends on your conveying distance, tonnage, lift height, and drive configuration.
● 1600S–2000S (DP1600–DPP2000): Suitable for medium-distance belt conveyors (1-3 km) with standard tonnage and moderate elevation, commonly used in mine branch lines and power plant coal handling systems.
● 2500S–3150S (DP2500–DPP3150): Designed for long main-line belt conveyors (3-5 km) and high-tension applications (incline/decline, high tonnage), ideal for high-output mines and large terminals.
● 4000S–5000S (DP4000–DPP5500): Top-tier strength for ultra-long conveyors (5-10+ km) and high-lift vertical curves; typically used in main shaft or cross-country overland systems with extreme design tensions.
(Note: "DP" means parallel-arranged aramid warp yarns; "DPP" means straight-warp aramid strings with interlocked weft structure, offering better transverse tear resistance.)
Significant energy reduction and lower operating temperature.

Q3: In what cycle of material handling is the ROI (return on investment) for aramid belts realized?

A: Aramid belts deliver ROI through:
● Lower energy consumption (15–25% reduction) → operating cost savings
● Lower spare pulleys/rollers (unit weight reduced)
● Longer wear life (up to >10 years in many mining applications)
● Lower maintenance costs and fewer downtime hours for repairs
● Reduced number of splices/less splicing time compared to multilayer conventional fabric belts
In many high-tonnage mining applications, payback period is typically 12–24 months after installation.

 

 

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