Plastic Tensile Strength Test for Films | ASTM D882 & F88

Plastic Tensile Strength Test

About Us

Plastic Tensile Strength Test:

The TST-01 Tensile Tester from Cell Instruments is a high-precision testing system designed for plastic tensile strength tests in flexible packaging materials. It helps quality control professionals and researchers measure tensile strength, elongation, and seal performance, ensuring packaging meets safety, functionality, and regulatory standards.

Flexible films used in packaging—especially polyethylene (PE)—must maintain strength and integrity throughout the product lifecycle. The tensile tester identifies weak points in films and heat seals, helping prevent failures, leaks, and compromised product protection.

Tensile tester for plastic tensile strength test.

Plastic tensile strength test is a fundamental mechanical evaluation

Main Functions and Advantages

01

Multi-function testing:

Multi-function testing: Supports tensile, elongation, break strength, 90°/180° peel, and heat seal strength tests.

02

High accuracy:

±0.5% force accuracy and 0.01 mm displacement resolution.

03

User-friendly interface:

7″ HMI touchscreen with real-time force-extension curve plotting.

04

Multi-fixture compatibility:

Easily switch between tensile and elongation test, seal strength, and puncture resistance.

05

Standard compliance:

Fully supports ASTM D882, ASTM F88 and other global standards.

06

Modular design:

Expandable to COF, penetration, texture analysis, and more.

Discover how a plastic tensile strength test helps evaluate film durability and seal integrity.

Brief Description of the Test Method

Learn about methods, applications, and Cell Instruments' tensile tester.

The plastic tensile strength test is commonly performed using a tensile tester to evaluate the tensile strength of materials like polyethylene (PE).

Brief Description of the Test Method

Test process:

A specimen (usually plastic film or seal) is clamped between a fixed and movable grip. The movable grip applies tension at a constant rate of separation, and the system records force vs. extension until failure occurs.

Test principles:

Measures maximum tensile strength, elongation at break, and modulus of elasticity. For seals, measures maximum seal force, average peel force, and failure mode (adhesive, cohesive, delamination). Tests follow cre-type motion, eliminating slippage and uneven stress distribution.

Key standards:

ASTM D882: Plastic film tensile strength and elongation ASTM F88: Seal strength of flexible barrier materials

Playlist

3 Videos

Related Standards

astm f882

ASTM D882

Standard test method for tensile properties of thin plastic sheeting

astm f882

ASTM F88

Seal strength of flexible barrier materials

The TST‑01 Tensile Tester is used across multiple industries

Applicable Fields and Typical Applications

  • Flexible packaging: Bags, pouches, laminates, sachets
  • Medical packaging: Tyvek, sterile barriers, heat-sealed film
  • Pharmaceutical: Blister packs, foil seals
  • Food packaging: PE films, vacuum bags, zipper seals
  • Plastics & films: LDPE, HDPE, LLDPE, BOPP, PVC
  • Quality inspection agencies: Standard testing and product certification

Technical Parameter Table

ParameterSpecification
Test Range0–500 N (Options: 50, 100, 200 N)
Max CapacityUp to 1 kN
Stroke (without clamp)800 mm
Speed Range1–500 mm/min (adjustable)
Displacement Accuracy±0.01 mm
Force Accuracy±0.5% Full Scale
Sample WidthStandard 27 mm (customizable)
Control InterfacePLC + 7” HMI touchscreen
Data OutputScreen, optional microprinter, RS-232
The plastic tensile strength test is commonly performed using a tensile tester to evaluate the tensile strength of materials like polyethylene (PE).

Importance of Testing and Company Advantages

01

Importance / Necessity of Testing

Accurate tensile strength measurement is critical to:

  • Validate film strength during formulation and R&D

  • Confirm heat seal strength meets packaging specs

  • Ensure PE tensile strength supports automated filling/sealing

  • Detect material defects before large-scale production

  • Maintain compliance with ASTM D882 and ASTM F88 standards

  • Improve overall product reliability and shelf life

The tensile strength of polyethylene—often referred to as PE tensile strength—is measured by stretching the plastic specimen until it breaks, following standard methods such as ASTM D882.

02

Company Advantages

Cell Instruments Co., Ltd. is a professional manufacturer of material testing instruments with  industry experience. We specialize in:

  • Flexible packaging, film, and medical materials testing

  • Customized equipment and fixtures to meet special testing protocols

  • Automation solutions for lab and in-line quality control

  • Global standards compliance (ASTM, ISO, GB, YY, etc.)

  • After-sales service and technical support from our dedicated engineers

The plastic tensile strength test is commonly performed using a tensile tester to evaluate the tensile strength of materials like polyethylene (PE).

Cell Instruments specializes in tensile testing for plastic packaging materials, offering precision instruments for film, flexible packaging, and seal strength tests.

– About us

Frequently Asked Questions (FAQ)

Q1: What materials can the TST-01 test?
A: PE, PET, BOPP, PVC, laminates, paper, foils, tapes, nonwovens, rubber, and more.

Q2: Can this machine be used for seal testing?
A: Yes, it complies with ASTM F88 for seal strength and supports 90°/180° peel tests.

Q3: What is the required specimen size?
A: Standard specimen width is 15–25 mm; gauge length typically 100–250 mm depending on standard (e.g., ASTM D882).

Q4: Is the machine programmable?
A: Yes, users can set test speed, grip distance, test mode, and output settings via the touchscreen interface.

Q5: How do I calibrate the machine?
A: Calibration is performed per ASTM procedures and with Cell Instruments’ included documentation and service support.

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No. 5577 Gongyebei Rd, Licheng, Jinan, 250109, Shandong, P.R.C.

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