EPDM High Temperature Sidewall Conveyor Belt
EPDM High Temperature Sidewall Conveyor Belt2
EPDM High Temperature Sidewall Conveyor Belt3
EPDM High Temperature Sidewall Conveyor Belt
EPDM High Temperature Sidewall Conveyor Belt2
EPDM High Temperature Sidewall Conveyor Belt3

EPDM High Temperature Sidewall Conveyor Belt

Custom EPDM high temperature sidewall conveyor belt resists 300℃ instant thermal shock. Ideal for cement, metallurgy, power plant hot bulk material conveying.

Product Overview

The belt uses EPDM rubber as the primary cover compound, paired with high strength heat resistant fabric carcass materials. Special rubber formulation plus dedicated hot vulcanizing process is adopted during manufacturing. Engineers know well that EPDM features high molecular saturation, which brings big challenges in rubber to fabric bonding, low inter ply adhesion risk is a common headache for many belt manufacturers. Our improved vulcanization workflow solves this long standing technical pain point effectively.

Combining high heat resistance, anti ageing performance, stable dimensional behaviour and good flexing property, this sidewall conveyor belt addresses typical failure modes of ordinary heat resistant sidewall belts under high heat conditions: rapid ageing, ply separation, sidewall peeling and premature belt failure. It delivers stable, long run conveying performance for production lines handling hot bulk solids.

 

Key Technical Data

Cover layer aging resistance

(180 ℃ × 168 h)

Before ageing Cover rubber hardness SHA 70
Tensile strength MPa 13.73
Elongation at break % 510
DIN abrasion volume mm3 155
After ageing Cover rubber hardness SHA 80
Tensile strength MPa 12.29
Elongation at break % 437
Change value Cover rubber hardness SHA 10
Tensile strength % 10.5
Elongation at break % -14.3
Adhesion property Cover rubber to fabric ply N/mm ≥12
Fabric ply to ply N/mm ≥11

  

Product Advantages

Reliable Bonding with Custom Vulcanization Process

High saturation of EPDM polymer makes bonding between rubber sidewalls, cleats and fabric carcass one of the well known bottlenecks within conveyor belt industry.

By optimising rubber compound formula and implementing site adjusted hot vulcanizing parameters, we lift inter ply adhesion performance significantly. Under sustained high temperature service, the belt main body, corrugated sidewalls and transverse cleats stay firmly bonded. Common field failures like ply separation, internal bubble generation, sidewall or cleat debonding are largely avoided. This is critical for large angle inclined conveying where cyclic flex stress is constantly applied to sidewall joints.

 

Extended Service Life to Cut Down Total Operating Cost

EPDM cover compound delivers decent abrasion resistance and tear resistance. The whole belt structure keeps good flexibility, resisting repeated flex fatigue during continuous running.

Compared with conventional heat resistant sidewall belts on the market, this EPDM version can reach 2 4 times longer service cycle under equivalent high temperature working scenarios. Plant maintenance teams will see less frequent belt replacement, lower spare part stock pressure and reduced production downtime caused by belt breakdown. For continuous process factories, these indirect cost savings often weigh more than initial belt purchase price.

Field feedback from one cement plant: after switching from standard heat resistant belts to our EPDM grade, they got 2 4 times longer runtime on their clinker transfer line.

 

Robust Heat Resistance Against Thermal Shock & Temperature Fluctuation

EPDM rubber shows far better thermal oxygen ageing, ozone and UV resistance than general purpose rubber grades. It resists hardening and surface cracking when exposed to sustained heat.

Apart from steady high temperature service, the formulated cover rubber survives instant thermal shock up to 300 °C, which frequently occurs when hot clinker, slag or calcined ore drops onto belt surface. Dimensional stability is maintained under heat load; carcass shrinkage and permanent deformation are kept within acceptable engineering range, inter layer bonding strength will not drop sharply with cyclic temperature swings.

 

Good Chemical & Weathering Resistance for Complex Environments

The EPDM compound tolerates weak acid, weak alkali, water vapour and many common industrial chemical agents, making it suitable for conveying hot corrosive bulk solids.

When installed outdoors or under open air plant conditions, the belt withstands sun exposure, rain and big ambient temperature swings. It does not turn brittle quickly under long term outdoor exposure, helping minimise routine inspection and repair workload.

 

Typical Application & Conveyed Materials

 

Engineers and procurement specialists can reference below application matrix for preliminary project evaluation. Final specification should be confirmed combining real site temperature, lump size, impact loading and inclination angle.

Industry Working Sections Conveyed Hot Materials Main Performance Values On Site
Iron & Steel Metallurgy Sintering, iron making, continuous casting process Hot sinter ore, coke, steel slag, return sinter Heat resistant plus anti abrasion. Resist hot material impact; mitigate fast ageing and debonding issues of ordinary belts
Cement & Building Materials Clinker transfer, grate cooler discharge, preheater outlet Hot cement clinker, slag, fly ash, limestone Heat resistance and low thermal shrinkage. Prevent belt deformation and ply separation under clinker high heat
Thermal Power Plant Boiler feeding, ash slag removal, desulphurisation system Hot coal, boiler slag, gypsum, fly ash Heat & corrosion resistance. Adapt to weak acid from desulphurised gypsum plus outdoor weather conditions
Mining & Coal Industry Open pit / underground large angle lifting Raw coal, gangue, hot ore chunks Combine large angle conveying capability with heat resistance, save plant floor space
Chemical & Carbon Processing Coking, carbon production workshops Hot chemical granules, powder feedstock Resist combined damage from high temperature plus chemical corrosion
Non Ferrous Metal Smelting Aluminum, copper, zinc smelting lines Hot furnace charge, alumina, matte, smelting residues Resist high temperature erosion and abrasive wear from molten residues
Grain & Feed Industry Post dry material transportation (food contact EPDM grade) Hot grain, oil seeds, feed pellets Food safe EPDM compound, withstand residual heat from drying process, no material contamination
Waste to Energy & Environmental Protection Incinerator slag discharge, solid waste treatment Hot incineration slag, fly ash, high temperature solid waste Cope with complex chemical composition of waste slag, balance heat and chemical resistance

  

Engineering Notes for Buyers & Site Technicians

  1. Submit key operating parameters during inquiry: maximum continuous material temperature, peak instant temperature, material lump size, belt width, required cleat height, sidewall height, conveyor inclination angle, belt running speed and material throughput. These data help us avoid over specification or under specification.
  2. Even premium EPDM sidewall conveyor belts have service limits. Sharp oversized hot chunks with direct long duration contact over 300 °C will accelerate cover rubber damage. If your site has such extreme conditions, please notify our technical team for structural optimisation suggestions.
  3. Installation and maintenance quality heavily influences actual service life. Mis alignment, excessive tension, poor skirt board friction will cause premature sidewall wear. Guide your on site fit up team to follow conveyor system operation manual.
  4. We support custom dimensions, cleat spacing, sidewall height and special food grade EPDM compound for hygienic material handling.
  5. For project review, you can request our technical data sheet PDF with full lab test records for internal evaluation.

 

FAQ

Q1:What is the maximum continuous operating temperature for EPDM sidewall conveyor belt?

Our EPDM sidewall conveyor belt handles 300℃ short term thermal shock. There is no fixed figure for continuous service temperature. Actual performance varies with rubber compound, carcass fabric grade and how long hot material touches belt surface. Send over your site temperature readings, our engineers will match you with suitable belt grade.

Q2:Why do sidewalls peel off on high temperature sidewall belts?

From real world project cases, peeling mostly comes from several causes: insufficient vulcanization bonding, frequent sharp temperature cycles, heavy hot lump impact, wrong belt tension or conveyor mis alignment. Our custom vulcanization improves inter ply adhesion to lower peeling risk. Even good belt material cannot compensate poor installation or neglect of routine maintenance.

Q3:What information do I need to provide for a quotation?

To get precise technical proposal and price quote, prepare material temperature, lump size, belt width, sidewall height and cleat dimensions. We also need conveyor inclination angle, belt speed and material throughput. Site photos or original drawings help speed up technical assessment.

Q4:Can EPDM sidewall conveyor belt work outdoors?

Yes, outdoor installation works well. EPDM rubber delivers good ozone and UV resistance. It performs better than natural rubber or SBR belts under long term sun rain cycles in plant yards.

 

Get Custom Quotation

Send us your site conditions, material properties and drawing files. Our technical team will go through your application and offer matched product specs plus formal quotation. Feel free to download our technical data sheet for your internal review.

 

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Chevron conveyor belt, fitted with raised chevron cleats, is designed for steep angle conveying to prevent bulk material sliding and fallback, an issue common for smooth flat belts.
Various chevron patterns are available for different slope demands. Widely used in mining, farming, construction and recycling, it maintains stable performance under harsh on site working conditions.

Recent news

Sidewall Conveyor Belt Sagging Solutions QBF rubber Free Zone Base Belt Design Extends Service Life by 30%

Sidewall Conveyor Belt Sagging Solutions: QBF rubber Free Zone Base Belt Design Extends Service Life by 30%

Sep 18, 2026

According to industry statistics, up to 80% of sidewall conveyor belt failures occur due to rigidity loss–induced sagging during operation. QBF rubberaddresses this root cause with an innovative “free zone ” base belt design, significantly extending the service life of sidewall conveyor belts. What Is Belt Sagging and Why Does It Shorten Belt Life? Under heavy load, especially on the return run, the base belt often sags due to insufficient transverse rigidity. This sagging triggers a chain of serious issues: Stress concentration – Sagging causes abnormal flexing at the sidewall root as it passes over the drum, concentrating stress in a localized area. Fatigue cracking – Repeated flexing leads to fatigue cracks at the sidewall root, which can develop into through-wall damage. Baffle detachment – Vibration and deformation from sagging transfer to the baffle connection, accelerating adhesive aging and causing baffle loosening or separation. Once sidewall tearing or baffle detachment occurs, the entire sidewall conveyor belt often fails prematurely. Therefore, solving the sagging problem is the key to extending belt service life. Root Cause of Belt Sagging The core cause of sagging lies in structural deficiencies of traditional base belt designs: Insufficient transverse rigidity – Traditional base belts cannot maintain a flat profile under heavy loads or long-span conditions. Unbuffered stress transfer – The sidewall-to-base belt connection lacks a flexible transition, so abnormal sagging stress directly impacts the sidewall root. Accelerated fatigue accumulation – Repeated flexing at stress concentration points causes cracks to grow from micro to macro levels. Understanding these causes makes it clear: simply increasing sidewall thickness or changing the rubber compound is a temporary fix. The solution must start with the base belt structure. Solution: QBF rubber Free Zone Base Belt Design QBF rubber introduces a “free zone ” base belt design to directly target the root cause of sagging. How the free zone  Works Blocks stress transfer – The free zone  acts as a stress buffer, absorbing and isolating abnormal sagging stress before it reaches the sidewall root. Dissipates flexing energy – The flexible edge allows the base belt to adaptively deform as it passes over the drum, spreading concentrated flexing over a larger area. Protects sidewall and baffles – By mitigating the extra load caused by sagging, the risk of fatigue tearing at the sidewall root is greatly reduced, and the baffle adhesive layer no longer suffers excessive vibration stress. Key Advantages of the free zone  Design Advantage Result sidewall tear resistance Eliminates stress concentration points; fatigue life extended by 2–3 times Baffle detachment risk Smoother operation; significantly slower adhesive aging Overall belt service life Comprehensive service life increased by 30% or more   QBF rubber’s Free Zone Base Belt design achieves a leap from “reacting to sagging consequences” to “eliminating the root cause of sagging.” Summary: Eliminate Sagging at the Source for Longer Sidewall Belt Life The sagging problem in heavy-duty sidewall conveyor belts originates in the base belt structure. QBF rubber’s free zone  design solves this industry pain point by blocking stress transfer, dissipating flexing energy, and protecting both sidewall and baffles. If you are experiencing frequent sagging, sidewall tearing, or baffle detachment with your sidewall conveyor belt, contact QBF rubber for professional technical support and customized solutions.  
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Sep 18, 2026

The customized S400 B1800 TCS360 anti-stick Sidewall Belt — developed by QBF Rubber for the Shenzhen Tunnel Project — is now under installation! With a total length of 190m, this high-performance non-stick belt is set to play a crucial role in ensuring smooth and efficient tunnel construction. More Than Just a Product – Full-Service Support! Our after-sales team is fully committed to providing: ✔ Tailored installation plans ✔ Professional on-site guidance ✔ Hot vulcanization splicing services ✔ Comprehensive commissioning & operation support Every step is meticulously handled to ensure flawless performance of the sidewall belt!   Technology + Service Facilitate Tunnel Construction “This cooperation reflects QBF rubber’s R&D strength and service capability in the field of special conveyor belts,” the project manager said, “The application of the anti-stick sidewall conveyor belt will significantly improve the conveying efficiency, reduce the downtime for maintenance, and provide key support for the project to be pushed forward on schedule.” In the future, QBF rubber will continue to focus on technological innovation and customer needs to provide more efficient and durable conveyor system solutions for global infrastructural projects.  
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Sep 17, 2026

As mining operations go deeper, vertical lifting efficiency and safety have become major constraints on mine output. Designed for deep shafts, inclined shafts and complex terrain, our vertical lifting system works across 0 500 m vertical heights and supports steep angle, long distance material transport. Thanks to modular design, high throughput and full lifecycle services, it has gained wide attention in the mining material handling industry.   Three Core Solutions for Varied Lifting Applications Our portfolio includes three main product lines to cover diverse vertical transport demands. Steep Angle Sidewall Conveyor Solution Engineered as an alternative to conventional mine cages, this solution handles vertical heights from 0 m to 500 m. In inclined shaft conditions, throughput can exceed 10 000 tons per hour. It overcomes the low efficiency, intermittent nature of cage hoisting and enables fast, continuous material transfer from underground to surface. Pocket Type Vertical Lifting System Optimized for high height, high volume tasks, this system is ideal for muck removal shaft main lines and blind shaft intermediate transfer. Proven in tunneling projects, it runs stably above 250 m lift height with capacities over 800 m³/h. It fills performance gaps under tight space conditions and can reach lifting heights over 500 m. Long Distance Rope track Conveying System Boasting single spans beyond 2 000 m, this system serves mountain and river valley sites. It reduces transfer points, cuts energy consumption and lowers overall maintenance costs for difficult terrain material haulage. Full Chain “EPC+M+O” Service Model Beyond equipment supply, Bairui provides a complete EPC+M+O service package: E (Evaluation & Custom Design): Custom engineer conveyors and belts based on mine geology, production targets and existing site infrastructure. P (Core Equipment Manufacturing): In house production of sidewall belts, lifting pockets and drive units for reliable quality and on time delivery. C (Installation Guidance): On site technical support for installation and commissioning to ensure smooth startup. M (Operation Management): Partial or full operational outsourcing to help mines hit production targets quickly. O (Smart O&M): Condition monitoring and predictive maintenance platform for early fault warnings and optimized maintenance schedules. Key Benefits vs Traditional Lifting Equipment For shafts deeper than 500 m, traditional multi rope friction hoists suffer from short rope life, batch type loading and complex controls. The Steep Angle Sidewall Conveyor Solution fits compactly within limited shaft space. Its continuous output connects directly to processing plants or silos, eliminating intermediate stockpiles and re handling expenses. In tunnel construction, the Pocket Type Vertical Lifting System features small turning radii and steep climbing performance. It has replaced imported equipment on multiple inclined shaft tunnel projects, delivering local manufactured cost savings. It requires minimal maintenance space and tolerates heavy dust and poor water conditions.   Field Proven Project Experience Our solutions are operational across global metal mines, coal mines and large tunneling infrastructure. China’s first 255 m mine used vertical lifting system is now in service, boosting vertical conveying efficiency by over 10× with safe, energy saving and eco friendly operation. September Global Exhibition Roadshow This September, Bairuifu will attend four key mining expos across Central Asia, Africa and China to showcase our full vertical lifting portfolio and EPC+M+O service model. Industry professionals are welcome to visit our booths for technical exchanges.   Exhibition Schedule Mining World Central Asia 2026 Sep 16 18, 2026|Atakent International Exhibition Centre, Almaty | Booth: 11 307   Electra Mining Africa 2026 Sep 7 11, 2026|Johannesburg Expo Centre | Booth: P10   The 28th China Mining Conference and Exhibitlon Sep 10 12, 2026|Meijiang Convention and Exhibition Center, Tianjin | Booth: N2 2607   The 20th Yulin International Coal and High-end Energy Chemical Industry Expo Sep 13 15, 2026|Yulin Convention & Exhibition Center| Booth: H342 / H335  
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See Latest Service

Hot‑vulcanized Splice

Our team provides professional 24/7 hot vulcanized splicing for sidewall, steel cord, fabric and pipe conveyor belts. Staffed with fully trained, experienced technicians and equipped with advanced mobile and stationary vulcanizing presses, we deliver seamless, long-lasting belt joints that optimize both technical performance and overall operational costs.
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Selection Guide

QBF rubber provides professional customized sidewall belt selection services for all types of industrial inclined conveying scenarios. Supported by our independent self-developed selection system and senior German technical experts, we deliver accurate, application-oriented belt solutions tailored to actual site conditions, avoiding specification mismatches and unnecessary performance waste for optimal system operation.
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Maintenance Service

We deliver reliable, plant-focused conveyor belt and system maintenance services designed to prevent unplanned downtime. Our certified on-site teams provide round-the-clock support for routine inspections, belt realignment, wear repairs, component replacements and system tuning. We help industrial facilities maintain stable throughput while lowering long-term operational and maintenance overhead.
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