Direct supply from Hebei Boao Rubber Technology. Explore our premium 3-ply rubber belts and structural line components.
In heavy-duty material transport, the choice of a carcass structure dictates the long-term ROI and structural stability of the entire plant. A 3-ply rubber conveyor belt represents the optimal engineering balance between structural tensile capacity and transversal flexibility. By utilizing three independent plies of synthetic fabric—typically polyester warp and polyamide weft (EP fabric)—embedded within high-performance skim rubber layers, these belts deliver remarkable resistance to fatigue, impact, and elongation.
The core carcass is the primary structural component of the belt. Understanding the difference between EP (Polyester/Nylon) and NN (Nylon/Nylon) is critical when choosing your 3-ply configuration:
| Property | Standard Metric Value | Testing Protocol |
|---|---|---|
| Tensile Strength (EP/NN) | 315 to 800 N/mm | ISO 283 / DIN 22102 |
| Adhesion (Ply-to-Ply) | ≥ 4.5 N/mm | ISO 252 |
| Elongation at Reference Load | ≤ 1.5% (EP), ≤ 2.5% (NN) | ISO 9856 |
| Cover Adhesion to Ply | ≥ 3.5 N/mm | ISO 252 |
A conveyor belt is only as durable as its cover rubber. Depending on the chemical and mechanical exposure in your plant, we configure custom compound covers:
Analyzing procurement requirements across key global heavy-industry corridors.
Underground coal, open-pit iron ore extraction, copper mining, and gold aggregates processing. Requires extreme impact damping, MSHA fire resistance, and high-tension cut-edge design.
Handling clinker, fly ash, raw materials, and limestone processing. Sourcing focus centers around heat-resistant (EPDM) properties (DIN-S, T200 grades) to prevent thermal cracking.
High-capacity grain terminals, bulk cargo carriers, and coal loading hubs. Demands continuous high-speed tracking stability, energy-efficient covers (low rolling resistance), and weatherproofing.
Maximize mechanical system runtime through our structured engineering approach, bridging design, implementation, and upkeep.
Our engineers perform site diagnostics calculating precise mass flow rates, dynamic tensions, wrap angles, and lump dimensions to establish core ply and rubber parameters.
Using advanced industrial vulcanization presses, we control pressure and temperature down to absolute values to guarantee maximum layer adhesion and minimum variance.
Providing custom hot or cold vulcanized splicing kits and operational roadmaps. Proper step splicing preserves up to 90% of the carcass rating across joints.
We supply belts pre-engineered to support electronic rip detectors and wireless RFID chips, facilitating real-time telemetry and preventative maintenance schedules.
Located in the Rubber Industrial Park of Boye County, Baoding, Hebei Province, Hebei Boao Rubber Technology Co., Ltd. has established itself as an industry-leading manufacturer of high-end conveyor belts and supporting accessories. Founded in 2004 and covering a modern production floor of over 30 acres, we are committed to global industrial growth through our recognized proprietary brand, "Jinao".
We are a professional manufacturer in China that integrates product development, research, design, manufacturing, and business services for conveyor belts and conveyor machinery accessories. We have also passed the international quality management system certification in one go. The company has multiple advanced equipment production lines for rolling, forming, vulcanization, and rubber testing (from raw materials to finished products).
Our factory supports a diverse layout of materials handling machinery components. This includes:
Quality assurance is our core commitment. The company operates an independent chemical analysis room and physics laboratory, ensuring real-time quality monitoring from raw material procurement to product delivery. Professional quality inspectors, sophisticated experimental testing equipment, and advanced testing methods ensure the quality of the company's products. We strictly follow the principle of not entering the site for unqualified products and not leaving the site for products that do not meet standards.
With strong technical strength and a comprehensive after-sales system, our products are exported to various parts of the country and international ports. Widely used in industries such as steel, metallurgy, coal, cement, power generation, fertilizers, grain depots, ports, etc.
In order to gain consumers' full trust in the reliability of "Boao" products, we are actively committed to enterprise product quality certification.
Trusted by heavy-duty infrastructure giants, national metallurgy units, and international logistics operations.
China Railway Group Mixing Plant
Conch Cement
Datong Coal Group
Tsingshan Group
Jidong Cement Group
Jinmei Group Coal Conveying Line
Taihang Steel
Puyang Steel Group
Comprehensive engineering insights compiled by Hebei Boao Rubber Technology's lead R&D group.
Complete your material handling infrastructure with specialized configurations and support equipment.