Lb-ZY200 Thermal Expansion Coefficient Tester for Metals, Ceramics, and Glass (Low-Temperature)

This instrument is suitable for measuring the volumetric changes (expansion and contraction) of metallic materials, ceramics, glazes, refractory materials, plastics, and other non-metallic materials as a function of temperature, ranging from low temperatures (−60°C) to 200°C. Reference standards include GB/T 1036 “Determination of Linear Thermal Expansion Coefficient of Plastics—Quartz Dilatometer Method” and GB/T 2572 “Test Method for Average Linear Thermal Expansion Coefficient of Fiber-Reinforced Plastics.”

Lb-ZY1000 Ceramic and Glass Thermal Expansion Coefficient Tester (1000°C High-Temperature Horizontal Dilatometer)

This instrument is used to determine the thermal expansion and contraction properties of metallic materials, ceramics, glass, glazes, refractory materials, and other non-metallic materials during heating and firing. Reference standards: GB/T 3810.8-2016 and ISO 10545.8-2014, “Determination of Linear Thermal Expansion of Ceramic Tiles.”

Lb-ZY1400 Thermal Expansion Coefficient Tester for Metals, Ceramics, and Glass (1400°C High-Temperature Horizontal Dilatometer)

This instrument is used to determine the thermal expansion and contraction properties of metallic materials, ceramics, glass, glazes, refractory materials, and other non-metallic materials during heating and firing.

Lb-ZY1600 Thermal Expansion Coefficient Tester for Metals, Ceramics, and Glass (1600°C High-Temperature Horizontal Dilatometer)

This instrument is used to determine the thermal expansion and contraction properties of metallic materials, ceramics, glass, glazes, refractory materials, and other non-metallic materials during heating and firing.

Lb-ZY1700 Thermal Expansion Coefficient Tester for Metals, Ceramics, and Glass (1700°C High-Temperature Horizontal Dilatometer)

This instrument is used to determine the thermal expansion and contraction properties of metallic materials, ceramics, glass, glazes, refractory materials, and other non-metallic materials during heating and firing.

SYA-98 Touchscreen Adhesive Material Multifunctional Bond Strength Tester

SYA-98 Touchscreen Adhesive Material Multifunctional Bond Strength Tester—Universal Tensile Bond Strength Testing; JGJT70 Mortar Tensile Bond Strength Pull‑Out Tester; JCT547 Ceramic Tile Adhesive Tensile Bond Strength Pull‑Out Tester; JGT298 Putty Tensile Bond Strength Pull‑Out Tester. Product Description: This equipment is suitable for testing the bond strength of thermal insulation materials, dry‑mix mortars, ceramic wall and floor tile adhesives, multi‑coat architectural coatings, and exterior wall putties. It is widely used in manufacturing and inspection settings, including factories and mines, construction quality‑inspection stations, construction companies, product‑quality testing institutes, and research institutions, supporting production control, development, and research activities.

LBT-1177 Geotextile Intelligent CBR Puncture and Penetration Tester

It is suitable for testing the static CBR puncture strength and puncture deformation performance of geotextiles, geomembranes, composite geosynthetic materials, and similar products. It can be used for routine testing by third-party testing agencies, engineering laboratories, and geosynthetic manufacturers.

LBT-1176 Geosynthetic Thickness Gauge (for geotextiles and membranes)

This instrument operates on the principle of leverage, amplifying the length of the force‑applying arm to measure specimen thickness under pressure conditions of 2 kPa, 20 kPa, and 200 kPa. With its simple design and ease of operation, it is ideally suited for measuring the thickness of geotextiles, geosynthetic materials, geotextile mats, drainage geocomposites, geomembranes, and other similar products in both production and calibration settings.

LBT-1178 Optical and Rough-Surface Dual-Station Geomembrane Thickness Gauge

It is used to determine the thickness of geotextile films, sheets, and other materials that are neither embossed nor corrugated, under various pressures and for specified durations, and can also be configured to test smooth‑surfaced and textured‑surfaced geomembranes.

LBTZ-37A Rubber Specimen Double-Head Grinding Machine (Dust-Extraction, Environmentally Friendly Type)

This machine is specifically designed for rubber factories, quality‑inspection centers, and research institutions to grind rubber test specimens to a specified thickness for use in other testing equipment. It is an indispensable piece of equipment in rubber‑quality‑control procedures. The specimen grinder consists primarily of a base, a feed carriage, a grinding wheel, a dust‑extraction hose, an electric motor, a grinding wheel, a dust shield, and a vacuum cleaner. An additional grinding wheel and carriage are mounted on the left side, enabling simultaneous operation of coarse and fine wheels, thus providing dual‑purpose functionality. Equipped with a dust‑extraction system, it prevents airborne rubber‑powder contamination during use. This product is easy to operate, saves time, boosts productivity, and offers safety, reliability, and hygienic performance.

LBTZ-36 Rubber Waterstop Strip Planing Machine

This machine incorporates a series of technologies that enable the blades to be positioned horizontally, are both replaceable and grindable, and comply with the operational requirements for specimen‑preparation equipment specified in standards such as GB 18242, GB 18173, and GB 12952. Featuring mechanical material feeding and a blade‑cutting mechanism, it can slice soft plastics and rubber sheets with a Shore hardness of ≥40 and thicknesses ranging from 1 to 12 mm. It is also suitable for slicing certain rubber and leather materials. This equipment is widely used in laboratories and institutions specializing in rubber, plastics, leather, wires, cables, and scientific research.

LBTZ-35 Rubber Compression Cold-Resistance Coefficient Tester

The LBTZ-33 Rubber Compression Cold‑Resistance Coefficient Tester is used for conducting compression cold‑resistance tests on compounded rubber under low‑temperature conditions. It is suitable for laboratories, factories, and educational institutions to perform testing, research, and evaluation of the elastic recovery performance of rubber after low‑temperature compression. This instrument employs an imported compressor for refrigeration; in its updated design, a stirring device has been added to the cooling chamber, ensuring more uniform temperature distribution around the container, accelerating the temperature drop, saving time, and reducing energy consumption.

LBTZ-33 Vulcanized Thermoplastic Rubber Low-Temperature Compression Set Tester

The rubber low‑temperature compression set testing machine is used to determine the compression set of rubber specimens. Under specified low‑temperature conditions, a specimen of known initial height is compressed to a prescribed height, held at the designated test temperature for a set duration, and then released. The specimen is allowed to recover in its free state, and its height is measured at fixed intervals while still at the low temperature, yielding a plot of specimen height versus logarithmic time. This data is used to evaluate the material’s compression set performance and to assess the quality of the compression set characteristics of vulcanized or thermoplastic rubbers. The equipment employs a cascade refrigeration system, leveraging thermal equilibrium principles and recirculating agitation to achieve automatic, uniform cooling and stable temperature control of the test specimens.

LBTZ-37 Double-Head Thickness Grinder for Rubber Specimens

This machine is specifically designed for rubber factories, quality‑inspection centers, and research institutions to grind rubber test specimens to a specified thickness for use in other testing equipment. It is one of the indispensable tools in rubber‑quality‑control work. The specimen grinder consists primarily of a base, a feed carriage, a grinding wheel, an electric motor, and other key components. An additional grinding wheel and carriage are mounted on the left side, enabling simultaneous operation of coarse and fine wheels. This product is easy to use, saves time, boosts productivity, and is safe and reliable.

LBT-5S Geosynthetic Fabric Vacuum Degassing Constant-Temperature Water Processor (50 L)

This unit is a dedicated system for treating water sources in hydraulic testing of geosynthetic materials, or it can be connected via hoses to other geosynthetic‑related equipment. It effectively removes dissolved gases—including oxygen and carbon dioxide—from the water, providing degassed water essential for testing. In addition, it maintains a constant water temperature required for experiments, serving as a thermostatic heat source to ensure a controlled, uniformly stable thermal environment during operation, enabling constant‑temperature testing or evaluation of test specimens or manufactured products. For instance, the water used in vertical permeability tests of geotextiles must comply with the requirements of GB 7489, “Determination of Dissolved Oxygen in Water—Iodometric Method,” by using distilled water or filtered clean water; prior to geohydraulic testing, the water must be degassed by vacuum extraction or boiling, with a dissolved‑oxygen content not exceeding 10 mg/kg. This unit ensures that the water quality meets the specified test criteria. Furthermore, it supplies the necessary constant water temperature as a complementary thermostatic source, providing users with a precisely controlled, uniformly stable thermal environment for conducting constant‑temperature tests or evaluations on test samples or finished products.

LBT-5 Geosynthetic Fabric Programmable Degassing Constant-Temperature Water Processor (50 L)

This unit is a dedicated device for water‑source treatment in hydraulic testing of geosynthetic materials. Connected via flexible hoses to other geosynthetic testing equipment, it effectively removes dissolved gases—such as oxygen and carbon dioxide—from the water, providing degassed water essential for testing. It also maintains a constant water temperature, serving as a thermostatic heat source to create a controlled, uniformly stable thermal environment for users, enabling constant‑temperature testing or evaluation of test specimens and manufactured products. With rapid heating and cooling capabilities, this machine significantly enhances the efficiency of water‑treatment tests, making it an ideal degassing‑water processor for geotechnical material laboratories.

LBTZ-25Z Electric Polymer-Cement Waterproof Coating Dispersion Mixer (Automatic Three-Stage Mixing)

Our company has newly developed a key piece of equipment for dispersing polymer‑cement waterproof coatings in laboratory settings, capable of fully programmable, multi‑stage speed control. Its sleek, compact design features an intuitive user interface that meets the operational needs of laboratory personnel. This product boasts low noise, reliable performance, smooth speed regulation, and ease of use, making it ideal for research and production facilities in heavy industry, light industry, chemical engineering, pharmaceuticals, and science‑education sectors.

LBT-1A48C Digital Display Emulsified Asphalt Demulsification Rate Mixer (New Standard)

The cationic emulsified asphalt demulsification performance tester is specially designed and manufactured in accordance with the requirements specified in T0658-2025, “Test for Demulsification Performance of Emulsified Asphalt,” as outlined in JTG 3410-2025, “Test Procedures for Asphalt and Asphalt Mixtures in Highway Engineering,” a standard issued by the Ministry of Transport of the People’s Republic of China.

SYA-68A Foam Plastic Flammability Tester (Electric Welding Spark Method)

This test is applicable to various rigid and flexible foamed plastics, such as polystyrene, polyethylene, polyurethane, phenolic resin, and other materials. Under laboratory conditions, it evaluates the ignition performance of horizontally positioned foam samples by subjecting them to impacts from electric welding sparks. Test principle: Leveraging the tendency of metals to produce spatter during welding, a welding machine generates continuous electric sparks. A motor-driven platform performs a Z‑shaped reciprocating scan, while the welding arc is initiated at a controlled point, serving as the ignition source to continuously impinge upon the sample exposed within a defined area. The sample’s response to the flame is observed, and the ignition time, flaming combustion duration, non‑flaming combustion duration, and smoldering time are recorded, enabling an assessment of the material’s ignition behavior under the influence of electric welding sparks.

SYA-69A Test Apparatus for Evaluating the External Fire Performance of Roof Exposed Covering Materials

This equipment was developed in accordance with the GB/T 30735-2014 standard and is designed for testing the external flame‑spread fire‑performance of roof‑exposed materials, including roofing waterproofing membranes, roof insulation boards, and composite roofing waterproofing systems (Test Method‑A). The device features adjustable specimen‑mounting platform angles, controllable ventilation airflow, timed monitoring of flame‑spread progression, recording of combustion phenomena, as well as data storage and report generation. It is suitable for testing institutions, building‑material manufacturers, and research organizations conducting roof‑fire‑performance assessments.

Lb-Q4 Rock and Concrete Core Double-Blade Cutting Machine

The automatic sample cutter is one of our company’s flagship products, employing a diamond‑tipped circular blade to cut and collect samples from various non‑metallic solids. It is particularly well suited for cutting and sampling rock and mineral specimens, construction concrete, and refractory bricks, making it an essential piece of equipment for sample preparation in the petroleum, geological, coal, metallurgical, construction, and transportation sectors. This machine boasts an attractive design, a compact structure, a high degree of automation, full enclosure, low noise levels, and ease of operation.

LBT-M200 Dual-Face Rock and Concrete Grinding and Polishing Machine

The LBT‑M200 dual‑face rock and concrete polishing machine is essential equipment for preparing standard test specimens of various non‑metallic solids, such as rocks, ores, and concrete. When used in conjunction with our factory’s core extractors and stone cutters, it can produce high‑precision cubic or cylindrical test specimens to meet your requirements. It is widely employed in colleges and universities, as well as in the water conservancy and hydropower, geological and mineral resources, transportation, and construction sectors. The machine comprises a base, worktable, grinding power head, variable‑speed transmission system, electrical control unit, and other components. It features convenient operation, automatic feed, and stable performance.

LBT-1179 Geosynthetic Biaxial Tensile Testing Machine (X‑Y Directional Tension)

It is used to determine the biaxial tensile deformation and strength of various materials, including textiles, geotextiles, canvas, and membrane materials. By conducting uniaxial tensile tests with controlled stress ratios in the warp and weft directions, material engineering constants are established. Based on the experimental data, stress–strain and stress–time curves are analyzed to investigate the material’s nonlinear, orthotropic, and inelastic behavior under cyclic loading, as well as its stress–strain and strain–stress responses at constant stress and constant strain, respectively.

WYZ-1000 Reinforced Concrete Drainage Pipe External Pressure Bearing Capacity Testing Machine

The WYZ-100 reinforced concrete drainage pipe external pressure load‑bearing test machine employs a three‑point compression testing mode and is primarily designed for evaluating the external pressure load‑bearing capacity of concrete and reinforced concrete drainage pipes.

ZBSX-92A Standard Shaking‑Type Vibratory Sieve (Vibratory Screen)

This machine is suitable for sieve analysis of materials in laboratories and testing departments across industries such as geology, metallurgy, chemical engineering, construction, coal mining, national defense, scientific research, abrasive‑wheel manufacturing, and cement production. It is particularly well‑suited for aggregate testing in the construction sector, allowing 15 kg of aggregate to be loaded in two separate batches, thereby simplifying and streamlining the sieving process and earning unanimous praise from user organizations.

LB-SN100 Small Cement Foaming Machine Mixer

Our company’s variable-frequency cement foaming machine features a compact footprint, lightweight design, easy portability, and user-friendly controls. It delivers a large foam output at the push of a button, requiring no complicated adjustments. Operators can master its control in just 10 minutes, making it exceptionally convenient to use. The foam is fine and uniformly distributed, resembling fluffy clouds. Moreover, the machine exhibits excellent compatibility with foaming agents across a wide range of viscosities—high, medium, and low—ensuring superior foaming performance.

Lb-DR8 High-Precision Interface Thermal Resistance and Thermal Conductivity Tester (Heat Flux Method)

The Lb-DR8 high-precision thermal‑resistance and thermal‑conductivity tester is designed to measure the thermal resistance of thin thermal conductors, thermally conductive silicone sheets, thermally conductive resins, beryllium oxide ceramics, alumina ceramics, and other small‑dimensional materials, as well as the contact thermal resistance at solid interfaces and the thermal conductivity of these materials. The test specimens are typically solid, sheet‑like samples; with an optional frame, powdered or paste‑like materials can also be tested. The instrument features automatic pressure application, automatic thickness measurement, and fully computer‑controlled automated measurement. It is widely applicable for thermal analysis and material testing in universities and colleges, research institutions, quality‑inspection agencies, and manufacturing plants.

HT75-CS Sintered Common Bricks, Masonry Blocks, and Brick Rebound Hammer

The HT75‑CS brick digital rebound hammer strictly adheres to national standards for masonry testing and is specifically designed for nondestructive strength assessment of sintered common bricks and porous bricks. Equipped with a next‑generation electromagnetic sensor, it delivers contactless, frictionless measurements with zero data interference, effortlessly resisting dust and intense ambient light on construction sites, while offering enhanced accuracy and long‑term durability with minimal maintenance. Its robust body design ensures stable operation, and its digital display provides intuitive readings, minimizing human error. This device supports data storage, Bluetooth connectivity, and cloud‑based management, featuring simple operation and broad compatibility—making it the preferred choice for building quality inspection, project acceptance, and third‑party testing.

LBM-200S Integrated Sample Preparation and Grinding Machine for Rock and Concrete Thin Sections

The LBM-200S integrated rock and concrete thin-section preparation and grinding machine is one of our company’s product series, primarily used for producing thin-section samples of various specifications. Equipped with a vacuum‑suction clamping system, this machine can cut and grind high‑precision samples of rocks, minerals, concrete, and other non‑metallic solids. It features simple operation, making it convenient and efficient. When used in conjunction with compatible accessories, it can produce high‑accuracy thin-section test specimens.

LBM-100L Rock and Concrete Specimen Slicer

The LBM-100L rock and concrete specimen slicer is one of our company’s series of slicing machines. It employs a diamond‑tipped circular blade to cut and sample various non‑metallic solids. It is particularly well suited for cutting and sampling rocks, ores, construction concrete, and refractory bricks, and is widely used in the petroleum, geological, coal, metallurgical, construction, and transportation industries, as well as in research departments of colleges and universities.