seat foam compression hardness tester
Applicable standards:
GB/T 6670-2008"Determination of falling ball resilience of soft foam polymeric materials" : This standard specifies the test method of falling ball resilience of soft foam polymeric materials, which is suitable for the resilience test of car seat foam.
ASTM D3574Standard Test Methods for Flexible Cellular Materials - Slab, Bonded, and Molded Urethane Foams: This is an American Society for Materials and Testing (ASTM) standard that covers a variety of test methods for flexible honeycomb materials (including polyurethane foam)， including tensile, compression and other performance tests, which are applicable to the relevant performance tests of automotive seat foam.
Main parameters:
Test type:Depending on the characteristics of the foam material and test needs, the tester may have a variety of test types such as tensile, compression, rebound, and collapsible hardness.
Test range:The test range of the tester should cover the common performance parameters of the car seat foam material, such as tensile strength, elongation at break, compression deformation, resilience, compressive hardness, etc.
Accuracy and resolution:The accuracy and resolution of the tester determine the accuracy and reliability of the test results. In general, the tester should have a high accuracy and resolution to ensure the accuracy of the test results.
Sample size:The tester usually has certain requirements for the size of the sample, such as the tensile sample may need to be stamped with a specific die, and the compression and rebound sample may need to have a specific size and shape. Therefore, when choosing a tester, it is necessary to ensure that it can adapt to the required sample size.
Test speed:The test speed refers to the rate at which the tester applies a load or displacement during the test. Different test types may require different test speeds. The tester should have an adjustable test speed to meet different test requirements.
Data acquisition and processing:The tester should be equipped with an advanced data acquisition and processing system, which can record the data during the test in real time, and conduct subsequent processing and analysis. This helps the user to understand the performance characteristics of the foam material more accurately.
Safety performance:The tester should have perfect safety protection measures, such as overload protection, emergency stop button, etc., to ensure the safety and reliability of the test process.
Standard :
ISO 3385, ASTM D 3574
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