Mechanical Testing Equipment

LBTC-239 Adhesion Peel Strength Test Mold for Waterproof Membranes

This mold is used for conducting peel‑strength tests on waterproofing membranes and is designed for use with a concrete permeability tester, in compliance with the requirements of Appendix C of GB/T 21897, “Waterproofing Membranes—Test Methods.”

LBTC-251 Glass Fiber-Reinforced Cement Four-Point Flexural Testing Apparatus Fixture

The fixture for the flexural test of glass fiber-reinforced cement, a four-point bending fixture, is used to evaluate the flexural performance of glass fiber-reinforced cement.

LBTC-252 Adhesive High-Temperature Tensile Shear Fixture

The high-temperature tensile shear fixture for adhesives is used to test the high-temperature tensile shear strength of adhesives.

LBTC-253 Glass Fiber Mesh Tensile Breakage Strength Test Fixture

This fixture, used in conjunction with a testing machine, is designed for tensile testing of glass fiber mesh fabrics and complies with the requirements of GB/T 7689.5 “Reinforcement Materials—Test Methods for Woven Fabrics—Part 5: Determination of Tensile Breaking Strength and Elongation at Break of Glass Fibers,” JC/T 841 “Alkali-Resistant Glass Fiber Mesh Fabric,” and GB/T 17911 “Test Methods for Refractory Fiber Products.”

LBTC-256 Shear Strength Fixture for Curtain Wall Sealant

This fixture, in conjunction with a testing machine, is used to determine the shear strength of silicone structural sealants for architectural curtain walls and complies with the requirements of JG/T 475, “Silicone Structural Sealant for Architectural Curtain Walls.”

Cylindrical-head stud bending fixture for LBTC-257 arc stud welding

The bending fixture for cylindrical‑head stud bolts used in arc stud welding is designed for conducting bending tests on such studs. It can be securely mounted on a workbench and, when used in conjunction with a sleeve, enables manual testing in compliance with the requirements of GB/T 10433, “Cylindrical‑Head Stud Bolts for Arc Stud Welding.”

LBTC-258 Cylindrical Head Weld Stud Tensile Test Fixture

The tensile testing fixture for cylindrical‑head stud welds is developed and manufactured in accordance with GB/T 10433, “Cylindrical‑Head Studs for Arc Stud Welding,” and is used in conjunction with a testing machine to perform tensile tests on cylindrical‑head studs.

LBTC-259 Concrete Tile Bearing Capacity Test Fixture

The load‑bearing test fixture for concrete tiles is developed and manufactured in accordance with JC/T 746 “Concrete Tiles” and is used in conjunction with a testing machine to determine the load‑bearing capacity of concrete tiles.

Fixture for the three-point bending test apparatus of the LBTC-260 sandwich structure

The three-point bending test apparatus for sandwich structures is designed and developed in accordance with GB/T 1456, “Test Method for Flexural Properties of Sandwich Structures.” This standard applies to the determination of the stress in the face sheets and the shear stress in the core under flexural loading, as well as the flexural and shear stiffnesses of the sandwich structure, the elastic modulus of the face sheets, and the shear modulus of the core. It is also suitable for measuring the adhesive bond strength between the face sheets and the core.

LBTC-261 Shear-resistant Clamp for Steel Truss Reinforcement

The shear‑resistance fixture for steel‑bar trusses is used to determine the shear capacity of such trusses. The truss chords are placed on the fixture, and the test is conducted by tensioning the web‑bar reinforcement. It complies with the requirements of YB/T 4262, “Steel‑Bar Trusses for Reinforced Concrete.”

Tensile Testing Fixture for Thickness-Direction Property Steel Plate LBTC-262

The tensile testing fixture for thickness-directional steel plates is designed for conducting tensile tests on steel plates with thickness-directional properties; it features a simple structure and is easy to use. It complies with the test requirements specified in GB/T 5313, “Steel Plates with Thickness-Directional Properties.”

LBTC-263 Hand‑Operated Lever‑Type Tensile Fixture for Rubber and Plastics

This fixture is designed for use with an electronic tensile testing machine and is intended for testing materials such as rubber sheets or plastics. It features secure clamping, non-slip performance, and automatic tightening, making it widely applicable in the rubber and plastics industries.

LBTC-265 Rubber Sheet Eccentric Fixture

This fixture is designed for use with an electronic tensile testing machine and is intended for testing materials such as rubber sheets or plastics. It features secure clamping, non-slip performance, and automatic tightening, making it suitable for applications in the rubber and plastics industries.

LBTC-266 Pre-laid Waterproof Membrane and Post-Poured Concrete Peel Strength Test Fixture

This fixture is used to measure the peel strength between pre‑applied waterproofing membranes and cast‑in‑place concrete, in accordance with the test requirements specified in GB/T 23457 “Pre‑Applied Waterproofing Membranes.”

LBTC-267 Proppant Crushing Chamber Test Apparatus

This device is manufactured in accordance with QS/Y 125 “Methods for Determining and Evaluating the Performance of Fracturing Proppants” and SY/T 5108 “Test Methods for the Performance of Proppants Used in Hydraulic Fracturing and Gravel Packing Operations.”

LBTC-268 Soft Permeable Pipe Flat Pressure Resistance Test Pressing Fixture

This fixture is suitable for testing the flat‑face compressive resistance of flexible permeable pipes and is applicable to all types of such pipes. It complies with the test requirements specified in SL 235 “Test Procedures for Geosynthetic Materials,” JTG 3460‑2026 “Test Procedures for Geosynthetic Materials in Highway Engineering,” and “Flexible Permeable Pipe” (JC/T 937‑2004).

LBTC-269 Flexural Testing Fixture for Masonry Bricks

This fixture is manufactured in accordance with GB/T 2542, “Test Methods for Masonry Bricks,” and is used for flexural strength testing of masonry bricks. It employs a three-point loading configuration and also complies with the standard requirements of JC/T 239, “Autoclaved Fly Ash Bricks.”

LBTC-270 Pavement-Heated Sealant Low-Temperature Tensile Specimen Fixture

The low-temperature tensile specimen fixture for pavement‑heated sealants was developed and manufactured in accordance with JT/T 740 “Pavement‑Heated Sealants” and is used in conjunction with a tensile testing machine to conduct low‑temperature tensile tests on asphalt joint‑sealing compounds.

Fixture for the LBTC-271 Anchor Plate Stiffness Testing Apparatus

The fixture of the anchor plate stiffness testing apparatus complies with the requirements of JGJ/T 480, “Technical Standard for Exterior Wall External Thermal Insulation Using Rock Wool Thin-Slurry Plastering.” When used in conjunction with a tensile testing machine, it is employed to assess the stiffness of anchor plates. In rock wool insulation projects, during the application of the finishing coat and the installation of anchor bolts, it is necessary to conduct stiffness tests on the anchor plates to ensure that their quality meets the project’s specifications.

LBTC-272 Safety Net Eyelet Ring Buckle Heavy-Duty Clamp

This fixture is used for the tensile strength test of eyelets on safety nets and is designed for use with a materials testing machine of Class 1 accuracy, in compliance with the requirements specified in GB 5725 “Safety Nets.”

Tensile Bond Strength Test Fixture for LBTC-273 Structural Adhesive

This fixture is suitable for determining the direct‑pull bond strength of the following reinforcement materials bonded to substrates—using structural adhesives, interfacial adhesives, or polymer mortars as bonding agents (including application methods such as coating, spraying, and pouring)—under uniform tensile stress, when cohesive, adhesive, or mixed failure occurs.

LBTC-275 Bolted Joint Tensile Load Fixture

The tensile‑load fixture for bolted connections, in conjunction with a testing machine, is used to determine the tensile‑load strength of bolted connection assemblies. It complies with the requirements of GB/T 31439.1, “Steel Guardrails with Corrugated Beams—Part 1: Two‑Wave Steel Guardrails.”

LBTC-276 Plug-and-Socket Thermal Compression Test Apparatus

This apparatus is manufactured in accordance with Clause 25.4 and Figure 38 of GB 2099.1, Figure 38 of IEC 60884‑1, VDE 0620, and other relevant standards. It is used to evaluate the dielectric strength of electrical accessories and surface-mounted installation boxes under thermal conditions and is intended for use in conjunction with a heating chamber. The thermal compression test device consists of a movable pressure block, a fixed pressure block, and a rail‑mounted support. Each pressure block features a cylindrical surface with a radius of 25 mm, rounded corners with a radius of 2.5 mm, and a weight of 20 N.

LBTC-277 Cable Tray Load Testing Apparatus

The cable tray load‑test fixture is used to verify the allowable uniformly distributed load (rated uniform load) of trays and ladders under various span conditions. It is constructed from φ25 round steel, a steel support base, and V‑shaped steel strips. It is manufactured in accordance with CECS 31 “Code for Design of Steel Cable Trays” and QB/T 1453 “Cable Trays.”

LBTC-278 Tensile Fixture for Rebar Anchorage Plates

Used for tensile testing of rebar anchorage plate specimens, in compliance with JGJ 256 “Technical Code for the Application of Rebar Anchorage Plates.”

LBTC-279 Welded Wire Mesh Tensile Strength Fixture for Weld Joints

The product complies with the requirements for the tensile strength test of welded mesh joints specified in GB/T 33281 “Galvanized Welded Wire Mesh” and GB/T 26941.3 “Barrier Fencing – Part 3: Welded Wire Mesh.” The fixture groove width is equal to the wire diameter of the mesh plus 1 mm. During testing, three weld points are randomly selected from the mesh, and a tensile test is conducted as shown in the figure. The testing machine applies a tensile rate of 5 mm/min, and the average tensile force at break is calculated.

LBTC-280 Fiber-Reinforced Plastic Interlaminar Shear Strength Test Fixture

This fixture is designed for determining the interlaminar shear strength of fabric-reinforced plastics. A specimen of specified geometry is subjected to a constant‑rate load, with the load direction aligned with the interlaminar direction of the specimen, inducing shear failure within the designated shear plane to measure the interlaminar shear strength. It complies with the standard requirements of GB 1450.1, “Test Method for Interlaminar Shear Strength of Fiber‑Reinforced Plastics.”

LBTC-282A Shear Fixture for Thermal Insulation Products Used in Construction (Type 2, Dual Specimens)

This fixture is manufactured in accordance with GB/T 32382, “Determination of Shear Properties of Thermal Insulation Products for Building Applications.” It transmits shear stress to the test specimen via a rigid support plate bonded to the specimen, thereby subjecting the specimen to shear loading.

LBTC-282 Shear Fixture for Thermal Insulation Products Used in Construction (Single Specimen)

This fixture is manufactured in accordance with GB/T 32382, “Determination of Shear Properties of Thermal Insulation Products for Building Applications.” It transmits shear stress to the specimen via a rigid support plate bonded to the specimen, thereby subjecting the test piece to shear loading. It is suitable for the installation of a single specimen.

LBTC-283 Tensile Testing Fixture for Rigid Foam Plastics (New Standard 2025)

This fixture is primarily used for testing the tensile properties of rigid cellular plastics. When the specimen cannot withstand the clamping force of the fixture, it should be used in conjunction with an aluminum alloy plate. It complies with the requirements of GB/T 9641, “Test Method for Tensile Properties of Rigid Cellular Plastics.”