Asphalt testing instruments

LBT-1A21 Liquid Crystal Display Petroleum Asphalt Kinematic Viscosity Tester (Vacuum‑Depressed Capillary Method)

This method is applicable to the determination of the kinematic viscosity of viscous petroleum asphalt using a vacuum‑reduced capillary viscometer. Unless otherwise specified, the test temperature is 60°C and the vacuum pressure is 40 kPa.

LBT-1A22A High- and Low-Temperature Asphalt Kinematic Viscosity Tester for Petroleum Products

This method is applicable to the determination of the kinematic viscosity of viscous petroleum asphalt, liquid petroleum asphalt, and their distillation residues using a capillary viscometer.

LBT-1A22 Petroleum Product Asphalt Kinematic Viscosity Tester (Reverse Flow Capillary Method)

This method is applicable to the determination of the kinematic viscosity of viscous petroleum asphalt, liquid petroleum asphalt, and their distillation residues using a capillary viscometer.

LBT-1A24 Asphalt Engler Viscometer (Digital Display)

This instrument is manufactured in accordance with the requirements of T0622‑2025 “Engler Viscosity Test (Engler Viscometer Method)” specified in the People’s Republic of China industry standard TG3410‑2025, “Test Procedures for Bitumen and Asphalt Mixtures in Highway Engineering,” as well as the national standard GB/T 266, “Method for Determining Engler Viscosity of Petroleum Products.” It is suitable for determining the Engler viscosity of bitumen or other petroleum products by measuring the ratio of the time (in seconds) required for a specified volume of the sample to flow through an Engler viscometer at a given temperature, to the time (in seconds) required for distilled water to flow under the same conditions at 25°C. The unit of Engler viscosity is the Engler degree.

LBT-1A25 High- and Low-Temperature Asphalt Engler Viscometer (LCD Touchscreen)

This instrument is manufactured in accordance with the requirements of T0622‑2025 “Engler Viscosity Test (Engler Viscometer Method)” specified in the People’s Republic of China industry standard TG3410‑2025, “Test Procedures for Bitumen and Asphalt Mixtures in Highway Engineering,” as well as the national standard GB/T 266, “Method for Determining Engler Viscosity of Petroleum Products.” It is suitable for determining the Engler viscosity of bitumen or other petroleum products by measuring the ratio of the time (in seconds) required for a specified volume of the sample to flow through an Engler viscometer at a given temperature, to the time (in seconds) required for distilled water to flow under the same conditions at 25°C. The unit of Engler viscosity is the Engler degree.

LBT-1A26 Asphalt Adhesion and Toughness Tester

This instrument is designed and manufactured in accordance with the requirements specified in T 0624-2025, “Asphalt Viscosity–Toughness Test,” as set forth in JTG 3410-2025, “Test Procedures for Asphalt and Asphalt Mixtures in Highway Engineering,” a national standard of the People’s Republic of China.

LBT-1A27 Open-Cup Flash Point Tester for Liquid Petroleum Asphalt (Tighe Open-Cup Method)

This instrument is designed and manufactured in accordance with the People’s Republic of China industry standard, “Test Procedures for Asphalt and Asphalt Mixtures in Highway Engineering” TG 3410–2025, specifically T 0633–1993.

LBT-1A28B Cleveland Open Cup Flash Point Tester (LCD Display)

This instrument is designed and manufactured in accordance with the national standard GB/T 3536-1991, “Method for Determination of Flash Point and Fire Point of Petroleum Products (Cleveland Open Cup Method).”

LBT-1A28K Intelligent Cleveland Open-Cup Flash and Fire Point Tester

LBT-1A28K Intelligent Cleveland Open-Cup Flash and Fire Point Tester — an advanced instrument for determining open-cup flash and fire points. This product is designed in accordance with the relevant provisions of GB/T 3536‑2008, ASTM D92, and ISO 2592:2000, employing microprocessor control technology integrated with a true-color touch‑screen LCD display system.

LBT-1A28 Cleveland Open Cup Flash Point Tester

This instrument is designed and manufactured in accordance with the national standard GB/T 3536-1991, “Method for Determination of Flash Point and Fire Point of Petroleum Products (Cleveland Open Cup Method).”

LBT-1A30 Asphalt Brittle Point Tester

As the temperature decreases, asphalt materials gradually transition from a visco‑plastic state to an elastic‑brittle state.

LBT-1A31 Asphalt Moisture Content Tester

The asphalt moisture content tester is an instrument primarily used to determine the moisture content of petroleum asphalt, coal tar asphalt, emulsified asphalt, and similar materials.

LBT-1A32 Emulsified Asphalt Storage Stability Tester

It is designed and manufactured in accordance with the requirements of the “Storage Stability Test for Emulsified Asphalt” (T0655-1993) as specified in JTG 3410-2025, the Standard of the Ministry of Transport of the People’s Republic of China, “Test Procedures for Asphalt and Asphalt Mixtures in Highway Engineering,” and is suitable for determining the storage stability of various types of emulsified asphalt.

LBT-1A33 Emulsified Asphalt High-Temperature Distillation Test Apparatus

This instrument is designed and manufactured in accordance with the requirements specified in T0632-2025, “Distillation Test for Liquid Petroleum Asphalt,” as outlined in 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 distillate content of liquid petroleum asphalt using the test method prescribed in T0632.

LBT-1A34 Abson Method Asphalt Recovery Apparatus

This product complies with the method for recovering asphalt from asphalt mixtures (Abson method) specified in JTG 3410–2025, T0726–2025. Scope of application: This instrument uses a distillation apparatus to recover asphalt from asphalt mixtures.

LBT-1A35 Asphalt Rotary Recovery Tester

This instrument is a test device for recovering asphalt, jointly developed and manufactured in accordance with the method specified in T0727-2025 of JTG 3410-2025 (Test Procedures for Asphalt and Asphalt Mixtures), which describes the recovery of asphalt from asphalt mixtures using a rotary evaporator.

LBT-1A36 Digital Display Constant-Temperature Water Bath

This unit is equipped with a circulation system and features an intelligent temperature controller, offering high temperature‑control accuracy, scratch resistance, an elegant appearance, and long‑lasting durability. It can also be used in the petroleum, chemical, pharmaceutical, and biotechnology industries, as well as for constant‑temperature testing of experimental samples. It complies with the Ministry of Transport’s JTG 3410‑2025 standard.

LBT-1A37 Low-Temperature Circulating Water Bath (-30°C)

This unit employs a low-temperature compressor for refrigeration, features an internal external circulation system, and is equipped with a highly intelligent temperature controller.

LBT-1A38A Low-Temperature Water Bath (External Circulation)

This unit employs a low-temperature compressor for refrigeration, features an internal external circulation system, and is equipped with a highly intelligent temperature controller.

LBT-1A38 Low-Temperature Water Bath

This unit employs a low-temperature compressor for refrigeration, features an internal external circulation system, and is equipped with a highly intelligent temperature controller.

LBT-1A39 Penetration High/Low Temperature Cycling Water Bath

This unit employs a low-temperature compressor for refrigeration, features an internal external circulation system, and is equipped with a highly intelligent temperature controller. It offers advantages such as high temperature control accuracy, rapid cooling, scratch resistance, an elegant appearance, and exceptional durability.

LBT-1A40 Emulsified Asphalt Particle Ion Charge Tester

The emulsified asphalt particle ion‑charge tester was developed and manufactured by our company in accordance with T0653‑2025, “Test for Ion Charge of Emulsified Asphalt Particles,” as specified in JTG 3410‑2025, “Test Procedures for Asphalt‑Based Asphalt Mixtures in Highway Engineering.”

LBT-1A42 Rotating Bottle Abrasion Tester

This equipment employs a single-phase induction motor, a reducer, and a chain drive to rotate the rotary vessel about its axis, enabling the test specimen to move relative to the water within the vessel.

LBT-1A43 Rotary Bottle Abrasion Test Specimen Molding Press

This instrument is a dedicated sample‑forming press designed specifically to be used in conjunction with the LHXM‑II rotary bottle abrasion tester manufactured by our company.

LBT-1A44 Emulsified Asphalt Wet Wheel Abrasion Tester

The wet‑wheel abrasion tester is used to evaluate the wear resistance of emulsified asphalt slurry seal mixtures after compaction, and can be combined with the loaded wheel‑load test to determine the optimal asphalt content for such mixtures.

LBT-1A45 Emulsified Asphalt Cohesion Tester

This instrument is used to determine the time required for emulsified asphalt slurry seal mixtures to achieve complete curing, thereby establishing the appropriate time for opening traffic to vehicles following construction of the emulsified asphalt slurry seal.

LBT-1A46 Emulsified Asphalt Slurry Seal Load-Wheel Compaction Tester

The load‑wheel sand‑adhesion tester is used to determine whether a slurry mixture contains an excessive amount of asphalt, thereby helping to control the upper limit of asphalt content. The instrument complies with the test requirements specified in T0755‑2025 of the JTG 3410‑2025 standard.

LBT-1A47 Emulsified Asphalt Consistency Tester

The emulsified asphalt consistency tester uses a specified cone to determine the consistency of emulsified asphalt slurry seal mixtures, thereby evaluating their workability during paving and helping to establish the appropriate water content in the mix design.

LBT-1A48B Digital Display Emulsified Asphalt Demulsification Rate Mixer

Developed in accordance with the People’s Republic of China industry standard JTG 3410‑2025, “Test Procedures for Asphalt and Asphalt Mixtures in Highway Engineering,” specifically T 0658‑2025, “Emulsified Asphalt Demulsification Rate Test,” this product also complies with national standards and relevant petrochemical industry standards. The electric emulsified asphalt–aggregate mixing tester is designed to mix aggregates of specified gradation with emulsion at a temperature of 25°C ± 1°C, enabling evaluation of the state and uniformity of the mixture during blending.

LBT-1A48 Emulsified Asphalt Demulsification Speed Mixer

Developed in accordance with the People’s Republic of China industry standard JTG 3410‑2025, “Test Procedures for Asphalt and Asphalt Mixtures in Highway Engineering,” specifically T 0658‑2025, “Emulsified Asphalt Demulsification Rate Test,” this product also complies with national standards and relevant petrochemical industry standards. The electric emulsified asphalt–aggregate mixing tester is designed to mix aggregates of specified gradation with emulsion at a temperature of 25°C ± 1°C, enabling evaluation of the state and uniformity of the mixture during blending.