Asphalt Mixture Testing Equipment

LB-H0201 Asphalt Mixture Penetration Tester

The penetration tester for cast‑in‑place asphalt mixtures is used to measure the deformation of such mixtures under specified temperature and load conditions, thereby determining their penetration value. It complies with the standard requirements set forth in the “Technical Guidelines for Design and Construction of Steel Deck Pavements on Highway Bridges” and JT/T 1131.4, “Steel Bridge Deck Pavement—Part 4: Cast‑in‑Place Asphalt.”

LB-H0202 Asphalt Mixture Segregation Tester

This instrument is used to determine the asphalt content segregation index, gradation segregation index, and mixing quality index of hot‑mix (warm‑mix) asphalt mixtures, thereby providing an indirect assessment of the mixture’s inherent mixing performance. It complies with the standard requirements of JTG 3410‑2025, “Test Procedures for Asphalt and Asphalt Mixtures in Highway Engineering.”

LBQ-4C Asphalt Mixture Cutter

This machine is designed for the rapid and precise cutting of asphalt mixtures. It can be used to cut specimens produced by various roller‑compacted pavement machines, as well as to trim and cut circular core samples and rutting‑plate‑shaped specimens. Addressing the industry‑wide issue of slow idle travel in comparable products, this machine incorporates a novel light‑bar rail system that shortens idle travel time while enhancing precision and boosting operational efficiency.

LBQ-4D Asphalt Mixture Pavement Cutter

This instrument is used to cut test specimens that meet the required specifications for tests such as the T 0715 asphalt mixture flexural test, the T 0718 asphalt mixture shear strength test, and the T 0738 asphalt mixture uniaxial compression dynamic modulus test.

LBT-1B21 Automatic Asphalt Mixture Rutting Tester (Computer-Controlled Single-Wheel Model)

This instrument is designed and manufactured in accordance with the requirements specified in T0719‑2025, “Wheel Rutting Test for Asphalt Mixtures,” of the People’s Republic of China industry standard JTG 3410‑2025, “Test Procedures for Asphalt and Asphalt Mixtures in Highway Engineering. It is suitable for determining the high‑temperature rutting resistance of asphalt mixtures and can also be used for on‑site tests of the high‑temperature stability of asphalt mixtures; research‑grade models are capable of performing immersed wheel‑rutting tests.

LBT-1B01 Automatic Asphalt Mixture Mixer (20 L)

This instrument is designed and manufactured in accordance with the requirements for asphalt mixers specified in T0702-2025, “Method for Preparing Asphalt Mixture Specimens (Compaction Method),” of the People’s Republic of China industry standard JTG 3410-2025, “Test Procedures for Asphalt and Asphalt Mixtures in Highway Engineering.” It is suitable for mixing asphalt mixtures prior to the preparation of laboratory specimens.

LBT-1B02 Automatic Asphalt Mixture Mixer (Vertical, 20 Liters)

This instrument is designed and manufactured in accordance with the requirements for asphalt mixture mixing specified in the People’s Republic of China’s transportation industry standard JTG 3410‑2025, “Test Procedures for Asphalt and Asphalt Mixtures in Highway Engineering,” and is suitable for mixing asphalt mixtures prior to specimen preparation. It also complies with the high‑temperature mixing requirements outlined in the “Technical Specification for Design and Construction of Steel Bridge Deck Pavements on Highways” (JTG/T 3364‑02‑2019).

LBT-1B03 Automatic Asphalt Mixture Mixer (Vertical, 30 Liters)

This instrument is designed and manufactured in accordance with the requirements for asphalt mixture mixing specified in JTG 3410-2025, the “Test Procedures for Asphalt and Asphalt Mixtures in Highway Engineering,” a national standard of the People’s Republic of China. It is suitable for mixing asphalt mixtures prior to specimen preparation. Equipped with microcomputer control technology, the instrument allows users to set the mixing temperature anywhere between room temperature and 300°C and automatically performs PID regulation. It also features automatic control of mixing time, achieving full operational automation. Additionally, it includes phase‑sequence protection to prevent mechanical damage caused by incorrect phase connections. With its compact size, this instrument saves laboratory space and offers convenient operation, making it an ideal choice for asphalt producers, highway and bridge construction entities, as well as relevant colleges, universities, and research institutions engaged in asphalt mixture mixing.

LBT-1B04 Automatic Asphalt Mixture Mixer (Vertical, 60 Liters)

This instrument is designed and manufactured in accordance with the requirements for asphalt mixture mixing specified in JTG 3410-2025, the “Test Procedures for Asphalt and Asphalt Mixtures in Highway Engineering,” a national standard of the People’s Republic of China. It is suitable for hot-mixing operations prior to the preparation of asphalt mixture specimens.

LBT-1B06 Large Automatic Hammer-Lifting Marshall Compaction Apparatus

The asphalt mixture specimens used for preparing Marshall tests are automatically counted and the instrument automatically shuts down during operation. This equipment complies with the Ministry of Transport’s “Test Procedures for Asphalt and Asphalt Mixtures in Highway Engineering” (JTG 3410–2025), specifically T0702-2025, which specifies the method for fabricating asphalt mixture specimens.

LBT-1B07 Marshall Compaction Apparatus (Large, 152.4 mm)

The asphalt mixture specimens used for preparing Marshall tests are automatically counted and the instrument automatically shuts down during operation. This equipment complies with the Ministry of Transport’s “Test Procedures for Asphalt and Asphalt Mixtures in Highway Engineering” (JTG 3410–2025), specifically T0702–2025, which specifies the method for fabricating asphalt mixture specimens.

LBT-1B08 Computerized Marshall Stability Tester (Standard)

The instrument is designed and manufactured in accordance with the requirements specified in T0709-2025, “Marshall Stability Test for Asphalt Mixtures,” of the People’s Republic of China’s industry standard JTG 3410-2025, “Test Procedures for Asphalt and Asphalt Mixtures in Highway Engineering.” It is suitable for conducting the Marshall stability test on asphalt mixtures and can accurately determine the failure point of the mixture, thereby supporting mix design or quality inspection during asphalt pavement construction.

LBT-1B09 Computerized Marshall Stability Tester (Large Model)

The instrument is designed and manufactured in accordance with the requirements specified in T0709-2025, “Marshall Stability Test for Asphalt Mixtures,” of the People’s Republic of China’s industry standard JTG 3410-2025, “Test Procedures for Asphalt and Asphalt Mixtures in Highway Engineering. It is suitable for conducting the Marshall stability test on asphalt mixtures, enabling accurate determination of the failure point to support asphalt mixture gradation design or quality inspection during asphalt pavement construction.

LBT-1B10 Computerized Marshall Stability Tester (Dual‑Purpose)

The instrument is designed and manufactured in accordance with the requirements specified in T0709‑2025, “Marshall Stability Test for Asphalt Mixtures,” of the People’s Republic of China’s industry standard JTG 3410‑2025, “Test Procedures for Asphalt and Asphalt Mixtures in Highway Engineering. It is suitable for conducting the Marshall stability test on asphalt mixtures, enabling accurate determination of the failure point to support mix design or quality inspection during asphalt pavement construction.

LBT-1B11 Touchscreen Computer Marshall Stability Tester

The instrument is designed and manufactured in accordance with the requirements specified in T0709-2025, “Marshall Stability Test for Asphalt Mixtures,” of the People’s Republic of China’s industry standard JTG 3410-2025, “Test Procedures for Asphalt and Asphalt Mixtures in Highway Engineering. It is suitable for conducting the Marshall stability test on asphalt mixtures, enabling accurate determination of the failure point to support asphalt mixture gradation design or quality inspection during asphalt pavement construction.

LBT-1B12 Fully Automatic Asphalt Combined Extraction Unit (Tower-Sieve Type)

The fully automatic asphalt extraction apparatus (sieve‑tower type) enables rapid and accurate determination and analysis of the binder‑to‑aggregate ratio in asphalt mixtures. This equipment integrates asphalt and solvent recovery into a single unit, with fully automated operation throughout the entire process. It boasts comprehensive functionality, advanced technology, a high degree of automation, and ease of use. Compared with conventional extraction equipment, its efficiency is 20–30 times greater, making it an indispensable tool for monitoring and controlling the quality of asphalt pavement construction. It complies with the Ministry of Transport’s test procedure JTG 3410‑2025‑T0702‑2025 for sieve‑tower‑type fully automatic extractors.

LBT-1B13 Continuous-Flow Centrifuge

The continuous‑flow centrifuge is custom‑designed in accordance with the requirements of JTG 3410‑2025, “Test Procedures for Asphalt and Asphalt Mixtures in Highway Engineering,” specifically Test Method T0722‑2025 for asphalt content and gradation. Its housing is fabricated by stamping and welding thickened stainless‑steel plates, ensuring easy cleaning and excellent corrosion resistance. The instrument operates on the combined principles of centrifugal force and gravity, employing a funnel‑type continuous feed system and separation processes to treat filtrates, making it widely used in asphalt and asphalt mixture testing for highway engineering.

LBT-1B14 Asphalt Mixture Adjustable Centrifugal Rapid Extractor (Color Touchscreen)

The asphalt mixture extractor is a specialized instrument designed to separate asphalt binder from asphalt mixtures. It was developed and manufactured in accordance with T0722‑2025, “Asphalt Content and Gradation Test (Extraction Method),” as specified in JTG 3410‑2025, “Test Procedures for Asphalt‑Based Asphalt Mixtures in Highway Engineering.” This instrument features stepless speed regulation, offering advantages such as rapid separation, a straightforward testing procedure, user‑friendly touchscreen operation, stable performance, light weight, compact size, and low noise. The timing can be set arbitrarily, with a maximum setting of 9,999 seconds.

LBT-1B17 Asphalt Pressure Filtration Unit

This equipment, in accordance with JTG 3410-2025 “Test Procedures for Asphalt and Asphalt Mixtures in Highway Engineering” and T 0722-2025 “Asphalt Content Test of Asphalt Mixtures (Centrifugal Separation Method),” uses a pressure filter to remove mineral fines from the extract, thereby determining the amount of fines that have leached into the extract. This method is simple to operate and offers high filtration efficiency.

LBT-1B19 Asphalt Mixture Rutting Specimen Compaction Machine (Touchscreen)

The rutting specimen compactor integrates mechanical, electrical, and pneumatic systems, and, compared with similar products, features a compact footprint, a high degree of automation, robust functionality, and user-friendly operation. This machine is primarily used to produce compacted specimens of asphalt mixtures for rutting tests, and it is also suitable for preparing wheel‑roll–type specimens in other physical and mechanical property tests of asphalt mixtures. Both the equipment and the testing method comply with the requirements of JTG 3410‑2025 (T0703‑2025).

LBT-1B21A Automatic Asphalt Mixture Rutting Tester (Computer-Controlled, Dual-Wheel)

This instrument is designed and manufactured in accordance with the requirements specified in T 0719‑2025, “Wheel Rutting Test for Asphalt Mixtures,” of the People’s Republic of China industry standard JTG 3410‑2025, “Test Procedures for Asphalt and Asphalt Mixtures in Highway Engineering.” It is suitable for determining the high-temperature rutting resistance of asphalt mixtures and can also be used for on-site tests of the high-temperature stability of asphalt mixtures; research‑grade models are capable of performing immersed wheel‑rutting tests.

LBT-1B20 Automatic Asphalt Mixture Rutting Tester (Single Wheel)

This product is suitable for determining the high-temperature rutting resistance of asphalt mixtures, whether immersed in water or not, and is intended for assessing the high-temperature stability—both immersed and non‑immersed—of asphalt mixture gradations during mix design.

LBT-1B21B Automatic Asphalt Mixture Rutting Tester (Computer-Controlled, Three-Wheel Type)

This instrument is designed and manufactured in accordance with the requirements specified in T 0719‑2025, “Wheel Rutting Test for Asphalt Mixtures,” of the People’s Republic of China industry standard JTG 3410‑2025, “Test Procedures for Asphalt and Asphalt Mixtures in Highway Engineering.” It is suitable for determining the high-temperature rutting resistance of asphalt mixtures and can also be used for on-site tests of the high-temperature stability of asphalt mixtures; research‑grade models are capable of performing immersed wheel‑rutting tests.

LBT-1B22 Asphalt Content Analyzer for Asphalt Mixtures Using the Combustion Method (Combustion Furnace)

This instrument is designed and manufactured in accordance with the requirements stipulated in the People’s Republic of China industry standard JTG 3410‑2025, “Test Procedures for Asphalt and Asphalt Mixtures in Highway Engineering,” specifically the section on “Asphalt Content Test in Asphalt Mixtures (Combustion Oven Method),” as well as JT/T 671‑2006, “Asphalt Content Tester—Combustion Method,” and the metrological verification procedure JJG (Transportation) 072‑2024, “Asphalt Content Tester—Combustion Method,” which was implemented by the Ministry of Transport on April 1, 2025.

LBT-1B22 Asphalt Content Analyzer Using the Combustion Method (Combustion Furnace, Data Upload)

This instrument is designed and manufactured in accordance with the requirements stipulated in the People’s Republic of China industry standard JTG 3410-2025, “Test Procedures for Asphalt and Asphalt Mixtures in Highway Engineering,” specifically the section on “Asphalt Content Test in Asphalt Mixtures (Combustion Oven Method),” as well as JT/T 671-2006, “Asphalt Content Tester—Combustion Method,” and the metrological verification procedure JJG (Transportation) 072-2024, “Asphalt Content Tester—Combustion Method,” which was implemented by the Ministry of Transport on April 1, 2025.

LBT-1B23 Microcomputer-Controlled Combustion Method Asphalt Content Analyzer (Combustion Furnace, Data Upload)

This instrument enables rapid, accurate, safe, and reliable determination of asphalt content. It is suitable not only for measuring the asphalt content in asphalt mixtures but also for conducting sieve analysis on post‑combustion asphalt mixtures, making it an ideal tool for laboratories involved in the production, research, and application of asphalt mixtures.

LBT-1B24 Constant-Temperature Overflow Water Tank

This instrument is equipped with a circulation system and features a highly intelligent temperature controller, offering high temperature‑control accuracy. Its advanced overall design includes scratch resistance, an elegant appearance, and exceptional durability. It is suitable for determining the density of asphalt mixtures, complies with the Ministry of Transport’s JTG 3410‑2025 standard, and comes with a balance stand and a mesh basket.

LBT-1B25 Low-Temperature Constant-Temperature Overflow Water Tank

The unit is equipped with a circulation system and features a highly intelligent temperature controller, offering precise temperature control, along with a balance stand and a mesh basket.

LBT-1B26 Compacted Asphalt Mixture Density Tester

The compaction asphalt mixture density tester is designed and manufactured primarily in accordance with T0705-2025, “Compaction Asphalt Mixture Density Test (Surface-Dry Method),” as specified in the People’s Republic of China industry standard JTG 3410-2025, “Test Procedures for Asphalt and Asphalt Mixtures in Highway Engineering,” while also taking into account the requirements set forth in T0706-2025, “Compaction Asphalt Mixture Density Test (Water‑Weight Method),” and T0707-2025, “Compaction Asphalt Mixture Density Test (Wax‑Sealing Method).”

LBT-1B27 Asphalt Mixture Theoretical Maximum Relative Density Tester (Vacuum Sealing Method)

The vacuum‑method apparatus for determining the theoretical maximum specific gravity of asphalt mixtures is based primarily on the People’s Republic of China industry standard JTG 3410‑2025, “Test Procedures for Asphalt and Asphalt Mixtures in Highway Engineering.” It is suitable for measuring the theoretical maximum specific gravity of asphalt mixtures using the vacuum method and is used in asphalt mixture gradation design, pavement condition surveys, and quality management during pavement construction to calculate air voids, compaction, and other relevant parameters.