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Key: test item, instrument name, total nonvolatile migration, gravimeter, moisture permeameter

Product

Horizontal Tensile Strength Tester

STR-T
Focusing on packaging and material testing technology, we are committed to quality control in industries such as healthcare, pharmaceuticals, food, packaging, textiles, and new materials. Our products are widely used in enterprises, testing institutions, universities, and research institutes.

Category:

Force and Strength

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Description
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- Commodity name: Horizontal Tensile Strength Tester
STR-T

Horizontal Tensile Tester for Paper and Thin Materials

Functions
Measure tensile properties (tensile strength, elongation at break) of paper, cardboard, plastic films, and nonwovens in the horizontal direction.
Determine tensile energy absorption (TEA) — the total energy required to stretch and break a specimen.
Evaluate the mechanical behavior of thin, flexible materials that are prone to sagging under their own weight when tested vertically.

Working Principle
The specimen is clamped horizontally between two grips. The horizontal configuration eliminates the influence of gravity, preventing specimen sagging and ensuring purely axial loading. A precision ball screw drive pulls the movable grip at a constant speed (0–100 mm/min). A high‑resolution load cell continuously records the applied force, while the system automatically calculates maximum tensile strength, elongation, and TEA from the force‑displacement curve.

Compliant Standards
GB/T 12914‑2008 — Paper and board — Determination of tensile properties
GB/T 17200 — Rubber and plastics — General requirements for tensile testing machines
ISO 8295 — Plastics — Determination of coefficient of friction (also referenced for film tension)
ASTM D1894 — Standard Test Method for Static and Kinetic Coefficients of Friction of Plastic Film
TAPPI T816 om‑22 — Tensile breaking strength of paper and paperboard

Key Features
Horizontal Design: Eliminates specimen sagging caused by gravity, ensuring accurate axial alignment and repeatable results for lightweight materials.
Ultra‑High Precision: 0.001 N resolution and 0.5 accuracy class capture minute force variations in thin papers and films.
TEA Calculation: Automatically computes Tensile Energy Absorption by integrating the force‑displacement curve — a critical metric for packaging paper performance.
Precision Ball Screw Drive: Differential drive mechanism delivers exceptionally smooth, quiet operation with zero vibration.
Dual‑Mode Control: Operate via the embedded microprocessor on the host unit or through the professional PC software for advanced data analysis.
Simultaneous Peak & Average: Measures and displays both maximum tensile force and average force in real time.
Fully Digital: No mechanical knobs; all calibration, zero adjustment, and parameter setting are performed digitally.
Group Testing & Statistics: Run multiple specimens and automatically generate statistical summaries (Max, Min, Average, SD).
Professional Software: Intuitive interface with real‑time curve plotting, database storage, and customizable, publication‑quality reports.

Technical Specifications:
Force Range: 0 – 5 N (optional: 10 N, 20 N)
Force Resolution: 0.001 N
Accuracy Class: 0.5
Test Distance: 150 mm
Test Speed: 0 – 100 mm/min (stepless speed regulation)
Test Conditions: Standard laboratory environment
Control Structure: Dual control — host controller + PC software
Drive System: Precision ball screw + differential drive
Overall Dimensions: 450 × 270 × 200 mm (L×B×H)
Net Weight: 20 kg
Power Supply: AC 220/110V ±10 %, 50/60 Hz

Standard Configuration
Main testing machine (host unit)
Micro thermal printer
Professional PC software
Communication cable (USB/RS232)
Operating manual and calibration certificate

Application Industries & Scenarios
Paper & Pulp Mills
Tensile Strength of Printing Paper: Ensure paper withstands high‑speed web printing without web breaks.
TEA of Packaging Paper: Predict box compression strength and stacking performance.
Tissue Paper Testing: Measure wet and dry tensile strength for napkins and toweling.
Medical & Pharmaceutical Packaging
Tyvek® (DuPont) Medical Packaging: Validate tensile strength of breathable sterilizable pouches.
Dialysis Paper: Ensure adequate strength for steam sterilization while maintaining porosity.
Pharmaceutical Insert Papers: Test folding endurance and tensile integrity.
Flexible Packaging & Converting
Plastic Films: Measure tensile properties of BOPP, PET, and PE films used in lamination.
Composite Materials: Evaluate interfacial adhesion in multi‑layer structures.
Label Facestocks: Ensure facestock materials resist tearing during die‑cutting and dispensing.
Nonwovens & Hygiene Products
Sanitary Napkin Backsheets: Test tensile strength of PE‑laminated nonwovens.
Baby Diaper Topsheets: Evaluate MD and CD tensile properties for conversion efficiency.
Medical Gowns: Verify fabric integrity under stress.
Research & Third‑Party Testing
CNAS/CMA‑Compliant Testing: Issue legally defensible test reports referencing GB/T 12914 or ISO 8295.
New Material Development: Compare tensile performance of innovative fiber blends.
Academic Research: Support pulp and paper science studies on refining, additives, and recycling effects.

Frequently Asked Questions (FAQ)
Q1: Why test paper in the horizontal direction instead of vertical?
A: Paper is a thin, flexible material. When clamped vertically, its own weight causes sagging, which introduces off‑axis forces and leads to underestimation of true tensile strength. The horizontal configuration completely eliminates gravity‑induced sagging, ensuring perfectly axial loading and superior repeatability.
Q2: What is Tensile Energy Absorption (TEA) and why is it important?
A: TEA represents the total energy absorbed by a specimen before rupture. It is calculated by integrating the area under the force‑displacement curve. Unlike peak tensile strength alone, TEA reflects both strength and extensibility — making it a superior predictor of a paper's resistance to tearing and bursting during converting and end‑use.
Q3: Is GB/T 12914‑2008 still valid? I heard there is a 2018 version.
A: Yes, GB/T 12914‑2008 is still the current valid standard for paper and board. GB/T 12914‑2018 applies to plastics, not paper. Do not confuse the two — using the wrong standard will invalidate your test report.
Q4: Can this instrument test plastic films as well as paper?
A: Absolutely. The horizontal design and 0.001 N resolution make it excellent for thin plastic films that also suffer from vertical sagging. It is widely used for BOPP, PET, and PE films in the packaging industry.
Q5: What is the benefit of ball screw drive over belt drive?
A: A precision ball screw provides smoother motion, higher positional accuracy, and quieter operation. For tensile testing of delicate materials, vibration‑free motion is essential to obtain clean force‑displacement curves without noise artifacts.
Q6: Do I need the PC software, or can I use the machine standalone?
A: The instrument can operate independently using the embedded microprocessor and built‑in printer for routine QC. The PC software is recommended for R&D applications — it enables curve analysis, database management, and customized report generation.
Q7: What specimen width should I use?
A: Standard paper tensile tests typically use 15 mm wide specimens per GB/T 12914. The machine accommodates various widths through appropriate gripping jaws. Consult the relevant standard for your specific material.
Function：
In the horizontal direction, the tensile properties of the material, the tensile strength of the paper, and the tensile energy absorption of the paper were measured.
Standards:
GB/T12914、GB/T 17200、ISO 8295、ASTM D1894、TAPPI T816。
Characteristics:
- High precision, error less than 0.001N.
- Automation: test process controlled by an embedded microprocessor.
- No mechanical knob, digital correction, and zero adjustments.
- Precision ball screw, differential drive, result in more smooth operation and quieter.
- The maximum stripping force and average stripping force are measured at the same time.
- Group test, statistical analysis of test data；
- The dual control structure of the test host and computer software.
- Professional software support, beautiful interface, and exquisite test report.
Specification:
- Force range： 0～5 N（optional:10 N, 20 N）.
- Force resolution: 0.001 N.
- Precision: level 0.5 ；
- Test distance: 150 mm；
- Test speed: 0-100mm/min, Stepless speed regulation.
- Test condition: standard test environment；
- Size: 450 mm×270 mm×200 mm（L×B×H）；
- Power supply： AC 220/110V±10％ 50/60Hz；
- Net weight： 20Kg。
Configuration：Principle machine, micro printer, professional software, communication cable。