MaTestLab > Test Standards > ASTM D6980 Determination of Moisture in Plastics by Loss in Weight
ASTM D6980 Determination of Moisture in Plastics by Loss in Weight
ASTM D6980 is a widely used standard test method for measuring the moisture content in plastics. Moisture content can have a significant impact on the performance and durability of plastic materials, and accurate measurement is essential for quality control and material specification purposes. Read more about ASTM D6980 Determination of Moisture in Plastics by Loss in Weight below.
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Introduction to ASTM D6980
ASTM D6980 is a test method that determines the moisture content in plastic materials using a loss in weight approach. The test method applies to most plastics, including thermoplastics, thermostats, and elastomers. The test is widely used in industries such as automotive, packaging, and electronics, where plastic materials are used extensively. The results obtained from the ASTM D6980 test can be used for quality control, reliability checks, performance evaluations, material specifications, and research purposes.
The physical properties of some plastics are greatly affected by the moisture content and moisture affects the processability of plastics, resulting in defects. The ASTM D6980 test method is used for quantitative determination of moisture by means of loss in weight technology down to 50 mg/kg (50 ppm) in most plastics.
ASTM D6980 Test Method
The test method involves heating a sample of plastic material to a specific temperature in a controlled environment. The heating causes the moisture in the sample to evaporate, resulting in a loss of weight. The rate of weight loss is measured continuously, and the moisture content is determined by calculating the difference in weight before and after heating. The ASTM D6980 test method has two variations: thermogravimetric analysis (TGA) and loss on drying (LOD).
Thermogravimetric Analysis
The thermogravimetric analysis (TGA) method measures weight loss as a function of temperature
Loss on Drying
The loss on drying (LOD) method measures the weight loss over a specified time period.
ASTM D6980 Specimens
Specimen Details
ASTM D6980 test specimens are plastic substrates.
Specimen dimensions
The specimen size and shape for ASTM D6980 can vary depending on the type of plastic being tested and the specific test requirements. However, the specimen is ensured to be representative of the material being tested and is of sufficient size to allow for accurate measurement of weight loss.
Specimen preparation
The specimen is usually prepared by cutting a sample from the plastic material using a sharp blade or a cutter. The specimen is cleaned and dried thoroughly before testing to ensure that the weight loss is due to the evaporation of moisture and not due to the presence of impurities.
ASTM D6980 Results
The results of the test method are reported as the percentage of moisture in the plastic material. The moisture content can have a significant impact on the physical and mechanical properties of the plastic material, including its strength, flexibility, and durability. The results obtained from this test can be used to determine whether the material meets the required moisture specifications and can also be used to optimize the processing conditions and ensure the performance and durability of plastic materials.
Tests related to ASTM D6980 ASTM D6980 is similar to several other standards that measure the moisture content in plastic materials, including ASTM D4442 and ASTM D570. ASTM D4442 measures the moisture content in wood and wood-based materials, while ASTM D570 measures the water absorption property of plastic products.
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The required number of samples or specimens should comply with the procedure given in the astm d6980 standard. However, the MaTestLab operations team can assist you for your special requirements once you share your testing details with us.
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The turnaround time for astm d6980 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.
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