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Reliable measurement is essential wherever the physical characteristics of a material have to be verified. In industries working with rubber, elastomers, plastics, polymers, and other technical materials, hardness testing provides important information about material consistency and product specifications. Laboratories therefore require instruments that can perform measurements according to suitable methods and defined testing conditions.
Bareiss Testing is a specialized material testing equipment company offering a wide selection of instruments for hardness measurement and other physical testing applications. Its solutions range from handheld durometers to automated laboratory systems, with equipment designed for different materials, industries, and testing procedures.
Professional Durometers for Material Evaluation
Durometers are commonly used to determine the hardness of rubber, elastomers, plastics, and polymers. The appropriate instrument depends on the hardness range and the characteristics of the material.
Bareiss provides analog and digital durometers for different Shore applications. These instruments give laboratories options for performing hardness measurements on samples and components during research, inspection, and quality-control activities.
Selecting a suitable durometer also involves considering the testing scale, sample geometry, measurement conditions, and applicable standard.
Digital Hardness Measurement
Digital technology provides laboratories with a convenient way to obtain and manage hardness measurements. Instead of relying on a mechanical indicator, digital instruments display the measured value electronically and can provide additional functions depending on their configuration.
The Bareiss HPE III Series is intended for testing soft-elastic materials, polymers, and composites. Its different configurations support various Shore hardness applications and include features that can assist with measurement documentation and data handling.
Portable digital durometers can be useful when testing needs to take place at different locations or directly on suitable components.
Automated Testing for Consistent Results
Repeated hardness measurements can benefit from a controlled testing process. Automated equipment can help standardize important stages of the measurement and reduce dependence on manual operation.
Bareiss offers the digi test II as an automated hardness-testing solution for applications involving elastomers, polymers, foam materials, and similar materials. It can be configured for Shore and IRHD testing methods.
Automated systems are especially relevant for laboratories carrying out frequent measurements where consistent test conditions are important.
Rubber Hardness Testing
Rubber products are used in seals, gaskets, O-rings, automotive components, and numerous industrial applications. The hardness of rubber can affect its flexibility and behavior in the final application.
Hardness testing provides manufacturers with a measurable characteristic that can be monitored during product development and production. Bareiss equipment supports different approaches to rubber hardness measurement, including Shore and IRHD methods.
The appropriate method depends on the material, sample configuration, and testing requirements.
Shore Scale Selection
Shore hardness testing is available through several scales, each intended for particular ranges of material hardness. Choosing the correct scale is therefore an important step in setting up a test.
A durometer designed for the selected Shore scale can provide measurements appropriate to the material being examined. Bareiss offers different durometer configurations for applications involving rubber, elastomers, plastics, and polymers.
Using a suitable scale also helps laboratories maintain consistent procedures when measurements are compared with technical specifications.
IRHD Measurement
International Rubber Hardness Degrees, commonly referred to as IRHD, provide another established method for evaluating rubber hardness.
Certain applications and sample configurations may make IRHD testing appropriate. Bareiss provides dedicated equipment and automated systems capable of performing IRHD measurements alongside other hardness-testing methods.
This gives laboratories flexibility when their testing procedures involve more than one hardness measurement technique.
Testing O-Rings and Sealing Components
Small elastomer components can require specialized testing arrangements. O-rings, for example, have a particular geometry and are widely used where reliable sealing is required.
Bareiss provides equipment designed for O-ring hardness and thickness testing. Specialized instruments can help laboratories perform measurements on these components in a more controlled manner.
Such testing can be relevant to manufacturers supplying sealing products for automotive, industrial, and technical applications.
Hardness Testing in Automotive Production
Automotive products contain a wide variety of rubber and polymer components. Seals, O-rings, steering-wheel materials, interior components, and other parts can require physical-property evaluation.
Hardness measurements can be incorporated into material inspection and quality-control procedures to monitor consistency. Portable and automated instruments offer different approaches depending on where testing is carried out and how frequently measurements are required.
Bareiss provides material-testing solutions for automotive applications, including instruments relevant to elastomer and component testing.
Pharmaceutical Tablet Testing
Hardness testing is also used in pharmaceutical manufacturing, but tablet testing requires specialized equipment rather than conventional rubber durometers.
Bareiss’s pharmaceutical portfolio includes the THT500 Tablet Hardness Tester. The system is designed to evaluate tablet breaking force and can also provide dimensional measurements depending on the test configuration.
Such measurements can be used during pharmaceutical development and quality-control procedures to obtain objective information about tablet properties.
Food Texture and Firmness
The physical testing portfolio also includes solutions for food products. Firmness is an important characteristic for various fruits, vegetables, meat, fish, and tofu products.
Instrument-based firmness measurement can provide numerical data that helps food producers and laboratories monitor product consistency. This can complement other inspection procedures used during production and quality control.
Bareiss offers testing instruments developed for these food-related applications as part of its broader range of physical-property measurement solutions.
Abrasion and Rebound Testing
Material performance cannot always be understood from hardness alone. Depending on the intended application, manufacturers may also need information about abrasion behavior, rebound, or resilience.
Bareiss’s portfolio includes specialized equipment for abrasion and rebound testing. These instruments can be used alongside hardness-testing systems when a more comprehensive evaluation of a material is required.
Different measurements can help laboratories examine multiple aspects of material performance under defined testing conditions.
The Importance of Test Standards
Standardized testing procedures provide a consistent framework for measurement. ASTM and ISO standards are commonly referenced in professional material-testing applications, with the applicable standard depending on the material and test method.
Bareiss develops instruments for applications involving recognized hardness-testing standards. Using an appropriate standard helps define factors such as testing procedure, measurement conditions, and equipment requirements.
For laboratories, following a suitable standard can also make test results easier to document and compare.
Calibration and Service
Measurement reliability depends partly on maintaining the testing instrument correctly. Calibration can be used to verify whether an instrument continues to perform according to specified requirements.
Bareiss provides calibration and service support for its testing equipment. This is useful for laboratories that depend on regular hardness measurements and need structured equipment-maintenance procedures.
Keeping instruments calibrated and properly maintained supports the overall reliability of a laboratory’s measurement process.
Selecting a Suitable Testing System
Before purchasing testing equipment, laboratories generally need to identify the material being tested and the property they want to measure. Other considerations can include sample dimensions, testing frequency, required hardness scale, applicable standards, automation, and data-management requirements.
A handheld digital durometer may be appropriate for certain inspection tasks, whereas a laboratory performing repeated measurements may require an automated system.
Bareiss provides different equipment configurations, allowing testing solutions to be selected according to the specific application.
A Complete Material Testing Portfolio
Bareiss Testing’s product range extends across several areas of physical-property evaluation. Alongside hardness-testing instruments, the portfolio includes equipment for abrasion, rebound resilience, rheology, sample preparation, pharmaceutical tablet testing, food firmness, and specialized component testing.
This broad selection enables laboratories and manufacturers to address different testing requirements with instruments designed around particular applications.
Conclusion
Professional hardness testing requires more than simply obtaining a numerical value. The instrument, measurement scale, testing method, sample characteristics, standard, and testing environment all contribute to a useful measurement process.
Bareiss Testing provides digital and analog durometers, automated Shore and IRHD systems, O-ring testing equipment, pharmaceutical tablet testers, food firmness instruments, and other specialized testing technologies. Its range of solutions supports laboratories and manufacturers working with rubber, elastomers, plastics, polymers, pharmaceuticals, food products, and other materials that require controlled physical-property testing.
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