Explore our cutting-edge laboratory apparatus engineered for global civil engineering and infrastructure testing.
Understanding wear limit dynamics and aggregate-binder adhesion under cyclic wet loading conditions.
The Wet Track Abrasion Test (WTAT) is the global industry benchmark for determining the minimum binder content in slurry seal and micro-surfacing mixture designs. In high-performance pavement engineering, asphalt emulsions must resist dynamic shear and abrasive wear under wet conditions, notably caused by heavy vehicle traffic combined with hydrological weathering. By exposing cured asphalt specimen disks to submersed mechanical abrasion, the WTAT measures the physical detachment of aggregate particles, yielding critical quantitative data on system durability.
Standardized testing protocols under ASTM D3910 (Standard Design, Testing, and Construction of Slurry Seal) and ISSA TB-100 (International Slurry Surfacing Association Design Technical Bulletins) dictate the exact mechanical parameters of this test. A rubber hose of specific formulation and hardness (usually Shore A 60±5) is rotated in a planetary motion across a saturated specimen disk submerged in a temperature-controlled water bath. The resulting mass loss per unit area defines the material’s susceptibility to raveling, surface degradation, and aggregate loss.
Strictly conforms to ASTM D3910, ISSA TB-100, and EN 12274-5 standards, guaranteeing that testing procedures yield globally recognized, auditable laboratory data.
Engineered with a planetary gear drive rotating at exactly 144 RPM while simultaneously revolving at 61 RPM to reproduce compound vehicular shear vectors.
Delivers a continuous downward vertical load of exactly 2.27 kg (5 lbs) using precision machined counterweights to ensure consistent contact pressure on the sample.
How modern geotechnical laboratories are transitioning to digitized, multi-variable wear measurement.
Historically, WTAT only evaluated dry mass difference at the end of the test cycle. The next-generation technical standard involves integrating torque sensors onto the planetary drive shaft. By monitoring torque fluctuation during the 5-minute abrasion cycle, research laboratories can map the transition from initial surface binder wear to rapid aggregate displacement. This real-time degradation curve provides deep insights into the internal shear cohesion of the asphalt-aggregate matrix.
With the rapid adoption of green pavements, warm mix asphalt, and bio-based rejuvenators, testing systems must support dynamic testing parameters. Polymer-modified emulsions (PMEs) display varied viscoelastic recovery periods. Advanced WTAT machines from leading manufacturers must feature programmable rotational speeds and customizable rubber head compounds to stress-test these highly resilient elastomeric polymer chains.
Road failure occurs under extreme environmental conditions. Micro-surfacing in sub-zero climates or high-humidity tropical zones behaves differently. Modern global procurement demand is shifting toward Wet Track Abrasion Test machines with fully integrated thermostatic temperature control baths. Operating the submersed abrasion at low water temperatures (e.g., 5°C to 10°C) allows laboratories to simulate cold-weather thermal cracking and moisture susceptibility concurrently.
With more than 15 years of civil engineering background, Zealchon is located in the high and new technology industry development zone in Xi'an, an ancient and historically rich city in China. Spanning an expansive building area of 7,500 square meters, our facility integrates advanced design, high-precision machining, and structural physics research.
We manufacture and supply testing instruments for civil engineering, geological survey, water conservancy and hydropower, roads and bridges, highways, railways, and airports. We specialize in the production and sales of geotechnical testing instruments, asphalt and asphalt mixture testing instruments, cement and concrete testing equipment.
Zealchon is committed to manufacturing and supplying a qualitative array of research and laboratory testing equipment. Specifically, Zealchon specializes in civil engineering research and experimental apparatus, as well as high-power semiconductor laser research and development. Our comprehensive product range includes premium research lab instruments, soil testing instruments, bitumen testing instruments, and cement & concrete testing equipment.
Our state-of-the-art production workshop is equipped with high-tech machining machinery including CNC centers, milling machines, planers, grinders, shearing machines, and specialized welding apparatus.
Our flagship "Xiya" trademark is officially rated as a famous trademark of Shaanxi Province, testifying to our domestic leadership and robust quality control.
Developed under direct guidance and cooperation with researchers from Chang'an University Highway College, Air Force Engineering University, and Xi'an University of Technology.
Our solutions have resolved critical technological voids at home and abroad, earning national, ministerial, and provincial science and technology awards.
Ensuring compliance, reliability, and high-performance equipment procurement for international buyers.
The company keeps up with the pace of national standards, ministerial standards, and industry standards testing. We implement a rigorous, closed-loop sales and quality check service mechanism. Each WTAT machine undergoes a rigorous 48-hour mechanical stress test before shipment to guarantee absolute compliance.
Zealchon adheres to the corporate spirit of "people-oriented, unity and cooperation, pursuit of excellence, and craftsmanship". We follow the customer-centric business philosophy of "everything is based on customer needs as the working goal," ensuring customized engineering solutions match your technical specifications.
We promise to provide three guarantees (repair, replacement, and refund) for all products sold, backed by a lifetime of software updates and on-site engineering services. Rapid growth as a technology-based professional enterprise guarantees top-quality products and professional services.
Pavement failures on highways, airport runways, and urban expressways cost governments billions in yearly maintenance. Implementing a strict WTAT inspection regime during raw material selection prevents premature cracking, delamination, and severe stripping.
Our Wet Track Abrasion Test Machines have been selected by international highway contractors, ready-mix concrete producers, civil research institutes, and airport authorities across Europe, North America, Southeast Asia, and the Middle East to build safer, longer-lasting roadways.
A peek into next-generation asphalt diagnostic technologies engineered by Zealchon.
Integration of optical sensors that compute real-time aggregate volume loss during abrasion, eliminating dependency on physical drying and weighing variables.
Cloud-based report generation. Test data is instantly uploaded to server systems for remote inspection by construction project leads and QA managers.
Self-balancing calibration arm design which automatically adjusts load and mechanical torque alignment to eliminate operator bias in test results.
Expert engineering answers to your technical questions regarding wet track abrasion testers.
Complete your laboratory capabilities with our highly accurate geotechnical testing systems.
Zealchon Electronic
