Universal Testing Machine for Plastic and Polymer

What Is a Universal Testing Machine for Plastic and Polymer?

A Universal Testing Machine for Plastic and Polymer applies a controlled tensile or compressive force to a prepared specimen. During the test, the machine measures load, displacement, elongation, stress, strain, and deformation. Plastic materials may stretch, bend, crack, yield, or permanently deform when subjected to force. This machine helps manufacturers understand these characteristics and verify whether a material is suitable for its intended application.
Depending on the selected grip, fixture, and test method, the system can determine:

• Tensile strength
• Elongation at break
• Yield strength
• Compression strength
• Flexural strength
• Maximum load
• Young’s modulus
• Peel and bond strength
• Load at specified displacement
• Displacement at specified load

Working Principle
The specimen is fixed between suitable tensile grips or positioned on a compression or flexural fixture. A servo-controlled crosshead moves at a programmed speed and applies force gradually to the specimen. A precision load cell continuously measures the applied force, while the system records crosshead displacement. The software displays the test in real time and generates force-displacement or stress-strain graphs. The specimen is tested until it breaks, reaches a defined load, or undergoes a specified level of deformation. The software then calculates and stores the required test results.

Materials That Can Be Tested
The Universal Testing Machine for Plastic and Polymer can be configured for:

• Rigid and flexible plastic sheets
• Plastic films and laminates
• Injection-moulded test specimens
• PET, PP, PVC, HDPE and LDPE materials
• Engineering plastics
• Polymer composites
• Plastic pipes and profiles
• Rubber and elastomeric products
• Adhesive joints
• Automotive plastic components
• Electrical and electronic plastic parts
• Packaging materials

Different load cells, grips, fixtures, and machine capacities can be selected according to the specimen dimensions, expected force, and applicable testing standard.

Key Features

• Servo drive-controlled crosshead movement
• Adjustable testing speed
• High-accuracy load measurement
• Computerized test control
• Real-time force and displacement monitoring
• Automatic stress, strain, and elongation calculation
• Graphical test report generation
• Interchangeable grips and fixtures
• Test data storage and printing
• Overload and over-travel protection
• Emergency stop arrangement
• Rigid frame for stable testing

Industrial Applications
The machine is used for raw material inspection, production quality control, product development, comparative material studies, and failure analysis. Plastic manufacturers can use the test results to compare polymer grades, study the effect of additives, verify production consistency, and evaluate the strength of finished components. Testing also helps identify weak materials before they are used in production, reducing the possibility of product failure.

The Universal Testing Machine for Plastic and Polymer is commonly used in:

• Plastic and polymer manufacturing
• Packaging industries
• Automotive component manufacturing
• Pipe and profile production
• Rubber industries
• Medical plastic manufacturing
• Electrical component manufacturing
• Research and educational laboratories
• Independent material-testing laboratories

Applicable Testing Standards
The machine can be configured to perform tests according to relevant standards, including:

• ASTM D638 - Tensile properties of plastics
• ISO 527 - Tensile properties of plastics
• ASTM D882 - Tensile testing of thin plastic sheeting
• ASTM D695 - Compressive properties of rigid plastics
• ISO 604 - Compression properties of plastics
• ASTM D790 - Flexural properties of plastics
• ISO 178 - Flexural properties of plastics

The applicable standard depends on the specimen type, dimensions, conditioning requirements, test speed, fixture, and required result.

Why Choose Pacorr?
Pacorr Testing Instruments manufactures the Universal Testing Machine for Plastic and Polymer with a focus on accurate load application, repeatable test results, and convenient laboratory operation. The machine can be supplied in different load capacities and configurations according to the material, test method, specimen size, and application. Pacorr also provides support for installation, operator training, calibration, fixture selection, and testing software operation.

For technical specifications, machine configuration, pricing, or a live demonstration, contact Pacorr Testing Instruments.