Test fixtures for tensile, compression, bending, shear, peel, and tear tests—compatible with all universal testing machines.

Tensile Testing Fixture Series

It is suitable for testing the tensile strength and elongation at break of specimens made of metals, non-metals, thin films, paper, leather, geotextiles, strapping, yarns and wires, composite materials, and more. It is divided into… Manual wedge-type, manual clamp-type, pneumatic tensioning Three major categories.

1. LBTA‑102 Wedge-type tensile fixture ( 5KN/20KN )

Manual wedge‑type self‑locking mechanism; the greater the tensile force, the tighter the grip. Suitable for metals, cables, fabrics, paper, waterproof membranes, and fine filaments. Flat jaw surfaces. 0‑9mm , clamping width 25–30 mm ， 45# Steel sandblasted and nickel-plated.

2. LBTA‑103 Double‑handle wedge‑type tensile fixture ( 20‑300 kN )

Large-capacity manual wedge-type fixture, equipped with a flat surface. / V Interchangeable jaws accommodate rods, plates, and composite materials; clamping width: 30‑82mm , satisfying from 20 kN to 300 kN Tensile test of high-strength specimens.

3. LBTA‑107 Textile Grab Sample Tensile Fixture

For tensile strength testing of woven fabrics using the grab‑sample method; maximum clamping force 3000N， R2 Corrugated clamp, single-sided locking; compliant with GB/T 13773.2 、 ISO 13935‑2 Standard.

4. LBTA‑108 Manual Stretching Fixture for Strapping Tape

Targeting PET/PP Strapping tape, clampable thickness 2mm , width 22mm ; Anti-slip arc-shaped guide structure for convenient sample loading.

5. Pneumatic stretching full series ( LBTA‑118/119/120/121/122/123/125/127/128/129/130 )

Pneumatic actuation 0.5–0.7 MPa , with constant clamping force, suitable for batch testing:

• Thin film sheet: 100N , affix the adhesive clip to prevent the thin sample from slipping and getting damaged.
• Wire winding: 500N , non-metallic wires and yarns; the spool design prevents the fine filaments from being pinched or broken.
• Rubber, leather, and fabric: 500N‑10KN , diamond-patterned, mesh-patterned with serrated edges, and adhesive-backed clips are available in multiple options.
• Geotextile wide strips: 10KN , large corrugated wide‑jaw clamp, suitable for tensile testing of wide geotextile strips
• Pneumatic wedge 50KN : Swapable Plane / V V-shaped jaws, high-strength pneumatic rapid clamping of test specimens

6. Small manual clamp fixture LBTA‑158~166

Specifically designed for thin films, paper, and copper/aluminum foil sheets; aluminum construction for lightweight design, with adhesive‑backed non‑slip clamping pads; clamping thickness. 2–5 mm , Specifically for low-force specimens to prevent thin samples from being clamped and broken.

Compression Test Fixture Series

It is used for testing material compressive strength, compressive deformation, and indentation hardness, including flat‑plate compression, foam indentation, rigid plastic compression, and engineered wood panel compression.

1. LBTA‑101 Flat compression testing fixture

Universal flat compression fixture, 45# Steel sandblasted and nickel-plated; pressure plate φ100/120/150/200mm Optional; some models feature a lower base with concentric scale lines, available as an option. 10–100 kN Force range, suitable for compressive testing of plastics, rubbers, and solid materials.

2. LBTA‑113 Foam indentation hardness testing fixture

AL6061 Aluminum alloy; equipped with a perforated support plate +φ200 Pressing head; execution GB/T 10807 Standard for indentation hardness of soft foams, used for testing the indentation hardness of sponge and soft foam materials.

3. LBTA‑135 Hard Plastic Compression Test Fixture

SKD11 Material, meets ASTM D695‑2015 ; Used for compressive testing of rigid plastic and composite material cube specimens, and must be used in conjunction with a circular platen.

4. LBTA‑156 Aluminum compression fixture φ200mm

AL6061 Large‑size disc‑shaped pressure plate, lightweight, suitable for compression testing of large‑size soft specimens.

5. LBTA‑157 Compression Fixture for Finished Wood-Based Panels

CR12 Quenching and tempering for hardening, with a spherical self-leveling pressure plate. φ100mm , with scale markings; compliant with GB/T 17657 Standard for compression testing of engineered wood panels, ensuring uniform stress distribution.

Bending Test Fixture Series (Three-Point) /  Four-point bending)

Used for testing the flexural strength and elastic modulus of plastics, fiber-reinforced composites, engineered wood panels, glass, ceramics, sandwich structures, and metals; span is adjustable, with a loading head. /  fulcrum R The specifications are interchangeable.

1. LBTA‑106/109 Three-point bending apparatus for fiber-reinforced plastics

Adjustable span 250mm , fulcrum indenter R0.5‑R4.5 Optional, hardness 58‑60° ; applicable to FRP Composite materials, rigid foams, and resin castings, with reference to GB/T 2567 、ISO178、 ASTM D790 。

2. LBTA‑111 Three-point bending fixture

Adjustable span 150mm , used for flexural and bending tests of plastics and non-metallic materials, in accordance with GB/T 9341‑2008 Standard.

3. LBTA‑112 Three-point flexural testing fixture for cement mortar

For cement mortar only, span 100mm， φ10mm Cylindrical roller, with automatic leveling and a specimen positioning slot, fully compliant with… GB/T17651 Cement mortar strength ISO Legal standard.

4. LBTA‑115 Three-point bending of engineered wood panels, LBTA‑116 Four-point bending of engineered wood panels

Applicable to the static bending strength and modulus of elasticity of plywood and engineered wood panels, in accordance with GB/T 17657 ; Maximum adjustable span 580mm , Specifically for large‑size plate specimens.

5. LBTA‑117 Cast specimen subjected to three-point bending (with dial gauge holder)

The pedestal is height-adjustable and equipped with a dial gauge mounting base, making it ideal for precise deflection measurement of resin‑cast specimens. GB/T 2567‑2021 。

6. LBTA‑131 Dental Ceramic Three /  Four-point bending, LBTA‑132 Ceramic biaxial bending fixture

Flexural strength testing of engineering ceramics and dental ceramics; compliant with GB/T 30367 、 ISO6872 Standard; High Precision R2.5 Press-fit, ball-bearing guide structure.

7. LBTA‑151 Heavy-metal three-point bending 100KN

P20+CR12 Quenching and tempering hardening; span 400mm， R5/R10 The indenter is optional and is used for testing the bending mechanical properties of metal profiles and thick plates, in accordance with. GB/T14452 、 ASTM E290‑09 。

8. LBTA‑152 Three-point bending of sandwich structures

Specifically designed for sandwich honeycomb panels, with a pressure‑supporting pad and adhesive protection for the test specimen; compliant with… GB/T 1456 、 ASTM C393 Standard, maximum adjustable span 580mm。

9. LBTA‑153 Four-point bending of glass / LBTA‑155 Three-point bending of glass

Flexural strength test of glass specimens; R1.5/R3 Pressure point, wide‑specimen compatibility, and a large, adjustable span.

Shear Test Fixture Series

Complete interlaminar shear of composite materials, V Tests such as notch shear and paper shear.

1. LBTA‑133 Interlaminar Shear Fixture for Composite Materials

Execute ASTM‑2334 Standard; tungsten carbide pressure point, SKD11 Fixture; maximum test span 160mm , width 80mm ; Used for interlaminar shear strength testing of fiber-reinforced composites, with a variety of adapter fittings available.

2. LBTA‑136 Composite material V Type-notch shear fixture

ASTM‑D7078 Standard, composite materials V Notch shear strength test, robust structure, comes with M12 Internal threaded interface; adapter flange available upon request.

3. LBTA‑138 Paper Shear Test Fixture

SUS304 Stainless steel; 60°V The upper blade is shaped, with a long groove at the bottom; it is used for paper shear testing and is compatible with… GB/T 8942 Standard.

Tear Test Fixture Series

Used for determining the tear strength of geotextiles, leather, and fabrics.

1. LBTA‑105 Geotextile Trapezoidal Tear Strength Fixture

Tensile strength of geotextiles and geomembranes measured by the trapezoidal tear test; clamping width 80mm， 45° Diamond-patterned clip; compliant GB/T13763 、 JTG 3460‑2026 Code for Geosynthetic Materials in Highway Engineering.

2. LBTA‑110 Double-sided tear fixture for leather specimens

Leather double-sided tear test; reference ISO3377‑2 ：2002、 QB/T2711‑2005 ; Test hook width 10mm， M12 Internal threaded connection, lightweight and durable, net weight 0.3 kg 。

Other specialized custom fixtures

1. LBTA‑137 Paper Softness Testing Fixture

Used for determining paper softness, in accordance with GB/T 8942‑2016 ; Multiple groove specifications are interchangeable, AL6061 Material.

Core Product Advantages

🔹   Standard Match Each fixture strictly conforms to the national standard. /  American standard /  European standard;

🔹   Universal exchange : Unity M12 Basic interface, offering a variety of customizable adapters to accommodate Shimadzu, Sansi, MTS, and domestically produced universal testing machines.

🔹   Duli value coverage : As small as 100N Thin film samples, up to 300 kN High-strength metal matrix composites are all covered;

🔹   Rich jaw accessories : Plane, V A variety of clip blades—such as shaped, diamond‑patterned, mesh‑textured with serrations, and adhesive‑backed non‑slip—are available for individual purchase and replacement.

🔹   Exquisite craftsmanship : Quenching and tempering heat treatment, sandblasting nickel plating /  Aluminum alloy oxidation resistance, corrosion resistance, and deformation resistance;

🔹   Supports customization : Custom fixture development is available to accommodate customers’ specific specimen dimensions and non‑standard test standards.

Application Industries

Research institute and university laboratories, third-party testing organizations, construction materials, plastics and rubber, textiles and geotechnical engineering, packaging materials, leather and paper, composite materials, aerospace, advanced ceramic materials, and more.