MaTestLab > Test Standards > ASTM D1621 Method for Compressive Properties of Rigid Cellular Plastics
Last updated 29th October 2024
ASTM D1621 Method for Compressive Properties of Rigid Cellular Plastics
ASTM D1621 test method determines the compressive properties of hard cellular materials, namely expanded plastics. This test method provides information on the compressive properties of cellular materials, including compressive strength, modulus of elasticity, and deformation characteristics. The data, i.e., the complete load-deformation curve, obtained by ASTM D1621 test method can be used to compute the compressive stress at any load (such as compressive stress at proportional-limit load or compressive strength at maximum load) and to compute the effective modulus of elasticity.
Read More
GET STARTED
ASTM D1621 Introduction
The ASTM D1621 test method gives information about the compressive behavior of cellular materials. By gathering test data and utilizing a complete load-deformation curve, it becomes possible to compute the compressive stress at any load (e.g., compressive stress at the proportional-limit load or compressive strength at the maximum load) as well as the effective modulus of elasticity. Compression tests are used to obtain data for research, quality control, acceptance, and special purposes.
The data obtained from ASTM D1621 test method is used for research and development, quality control, acceptance or rejection under specifications, and special purposes.
Service Name
Remarks
D1621 Test Method
Expert Consultation
ASTM D1621 Standard Test Method
Test Setup
The testing machine is equipped with load and deformation measuring devices to apply a compressive force at a controlled rate. The specimen is placed between two compression plates, and the dimensions are measured and recorded before the compressive force is applied.
Procedure
A compressive force is applied to the specimen at a constant rate until it fails or reaches a specified deformation or load level, depending on the requirements of the test.
Data Collection
The highest amount of pressure that the specimen can withstand when compressed, along with the associated amount of deformation or strain, is measured and recorded until the test is finished.
ASTM D1621 Equipment and Sample Preparation
Specimen details
ASTM D1621 is a test method for compressive properties of rigid cellular plastics with a minimum of five specimens per sample.
Specimen dimensions
The most important idea is that the specimen must have a minimum area of 25.8 cm2 (4 in.) and a maximum area of 232 cm2 (36 in.).
Specimen preparation
The loaded ends of the specimen should be parallel to each other and perpendicular to the sides. If the material is suspected to be anisotropic, specify the direction of compressive loading relative to the suspected direction of anisotropy.
ASTM D1621 Test Results and Interpretation
A test report is prepared with all relevant information, including specimen details, test conditions, results, observations, and deviations from the standard. Information about the testing machine, calibration, and other pertinent details should also be included.
Other Tests Related to ASTM D1621
ASTM D1621 is related to other tests, including ASTM D618 for conditioning plastic for testing and ASTM E4 for force verification of testing machines.
Use of ASTM D1621 in Various Industries
It is an important test for the construction, automotive, and aerospace industries because it refers to rigid cellular plastics, such as insulating materials and lightweight foam components, with a primary need for compressive strength analysis and safety of performance under stress.
Materials Commonly Tested with ASTM D1621
The standard tests rigid foams, especially for application such as expanded polystyrene and other types of cellular plastics as polyurethane to warrant its working as in an insulator, shock-absorber, or simply to act as a cushion and as long as polyurethane could do for insulation, components that should be built as structural inside an automobile.
Common Challenges and Troubleshooting in ASTM D1621 Testing
The challenges involved in testing are sample alignment, consistent environmental conditions, and variations in density or uneven surfaces. Troubleshooting would include recalibration of machines, precise sample preparation, and environmental stability to reduce deviations and improve reproducibility of test results.
Safety and Best Practices in ASTM D1621 Testing
During testing, personal protection is required to ensure samples are not broken up into pieces or eject their particles. Samples should always be calibrated and fixed before each test. Safety can also be achieved by setting boundaries of barriers and performing checks on the compression device through its frequent maintenance.
Importance of ASTM D1621
Quality assurance and material validation in cellular plastics for continued integrity during compressive strength comparison over time where there are applications like building insulation, automotive interiors or in aerospace components are of great importance for this standard test method.
Related
FAQ's
Where can I get the astm d1621 tested?
You can share your astm d1621 testing requirements with MaTestLab. MaTestLab has a vast network of material testing laboratories, spread across the USA and Canada. We support your all material testing needs ranging from specific astm d1621 test to various testing techniques.
How much do I need to pay for the astm d1621 test?
Please contact us for a detailed quote for your astm d1621 testing needs. Cost incurred to carry out different astm d1621 testing methodology depends on the type of raw material; number of samples, coupons, or specimens; test conditions, turn around time etc. Costs of some ASTM testing methods start from $100 and the final value depends upon the factors listed above. Please contact us for the best and latest prices.
How many samples are required for astm d1621?
The required number of samples or specimens should comply with the procedure given in the astm d1621 standard. However, the MaTestLab operations team can assist you for your special requirements once you share your testing details with us.
How much discount can I get on the astm d1621 test?
MaTestLab has a vast testing laboratory network, hence we bring you the best testing facilities in a cost-effective way. We offer considerable discounts (15-20%) to our returning customers based on test volume and frequency.
How many days will it take to complete the astm d1621 test?
The turnaround time for astm d1621 test methodology depends upon the test procedure mentioned in the standard test document. However, we at MaTestLab understand your research requirements and hence try to get your test completed within the least possible time.
Where can I get the astm d1621 tested?
You can share your astm d1621 testing requirements with MaTestLab. MaTestLab has a vast network of material testing laboratories, spread across the USA and Canada. We support your all material testing needs ranging from specific astm d1621 test to various testing techniques.
MaTestLab Inc. offers accessible, quick, and affordable material testing, product testing, and failure analysis services. We support your on-demand testing and expert consultation needs with the help of our extensive network of material testing laboratories situated in the US and other parts of the world.
MATERIAL TESTING
We offer destructive and non-destructive tests over a range of mechanical, electrical, chemical, thermal, optical, corrosion, radiation, and biological testing methodologies defined by ASTM, ISO and other organizations.
PRODUCT TESTING
We help you evaluate and ensure your product quality and performance with standard and custom-made testing solutions. All the tests are done at well-equipped testing laboratories using standard testing methods for best output and satisfaction.
FAILURE ANALYSIS
Failure analysis ensures high levels of quality in every manufacturing process. We help you with getting the best failure or root cause analysis to determine the cause of the failure. The results help you identify means to prevent failure recurrences.
