By rowanjenkins | Last updated 17th June 2024

ISO 178 Plastics-Determination of Flexural Properties

ISO 178 is a standard test method that provides details about rigid and semi-rigid plastic products by determining their compressive and flexural creep and creep-rupture properties in specific environmental conditions. This method is particularly used for recycled plastics and the findings of this test method are expressed in inch-pound units. The results are crucial for various lab settings and are used to enhance various industrial applications.

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    Introduction to ISO 178

    ISO 178 is an important test method that determines the compressive and flexural properties of plastics and specifies their behavior. The strength of materials and flexural modulus is determined. The performance evaluation is done and modifications are suggested. It provides data for research and aids in development and quality control along with specifying the applications of these materials. In this way, the ISO 178 test method defines the standard for the preparation and testing of plastic products along with observing the stress/strain relationship. MatestLab is one of the best testing service providers with the best network of testing laboratories in the USA to conduct ISO 178 tests for our clients.

    ISO 178 Test Method

    The method proceeds as follows:

    Load Application ISO 178 involves setting up the apparatus consisting of a loading system, compressive platens, flexural test system, and micrometers. A specimen is measured and placed in a compressive fixture of a flexural rack. The deformation measuring devices are attached to the specimen and load is applied.
    Data AnalysisThe compressive strength and flexural modulus are determined based on the applied load and the change in specimen dimensions. 

    ISO 178 Specimens

    Specimen DetailsThe ISO 178 specimens used are fiber-reinforced plastic compounds.  
    Specimen dimensionsThe standard applies to compounds with fiber lengths ≤7,5 mm before processing. 
    Specimen PreparationThe ISO 178 specimens are cleaned and prepared as per requirements.

    ISO 178 Results

    The results obtained from the ISO 178 test method facilitate the quality assurance and durability check of plastics by providing valuable insights into parameters such as flexural stress, flexural strain, and flexural modulus. They determine the strength and deformation behavior of semi-finished or finished products such as moldings, laminates, or extruded sheets. 

    Tests Related to ISO 178

    ISO 178 is similar to other standard methods, such as ASTM D638 and ISO 604 used for determining the tensile and compressive properties of plastics respectively.

    FAQ's

    Where can I get the iso 178 tested?

    You can share your iso 178 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 iso 178 test to various testing techniques.

    How much do I need to pay for the iso 178 test?

    Please contact us for a detailed quote for your iso 178 testing needs. Cost incurred to carry out different iso 178 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 iso 178?

    The required number of samples or specimens should comply with the procedure given in the iso 178 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 iso 178 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 iso 178 test?

    The turnaround time for iso 178 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 iso 178 tested?

    You can share your iso 178 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 iso 178 test to various testing techniques.

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