This standard is issued under the fixed designation D ; the number 1 These test methods are under the jurisdiction of ASTM Committee D20 on. Plastics. ASTM D test assesses the energy required to crack or break rigid plastics sheeting and profile flat sections employed in building products. Learn more. Purchase your copy of ASTM D – 16 as a PDF download or hard copy directly from the official BSI Shop. All BSI British Standards available.
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Send us a request Need help or have a question? These notes and footnotes excluding, those in tables in figures shall not be considered as requirements of this standard.
The most common method to analyze this data is called the “Bruceton Staircase” method. If a test sample fails, the drop height is decreased by one unit. Link to Active This link will always route to the current Active version of the standard. Specific precautionary statements are given in Section 8. Whether e4226 business is local or global, we can ensure your products meet quality, health, environmental, safety, and social accountability standards for virtually any market around the world.
The geometric uniqueness of the impactor head configurations prevents any comparison or correlation of testing results on samples tested with differing impactor head configurations.
Need help or have a question? Validating the specifications, value and safety of your raw materials, products and assets. Testing Evaluating how your products and services meet and exceed quality, safety, sustainability and performance standards.
An “impactor” sits on top of the test sample with a nose of specified radius in contact with the center of the test sample. Through our network of over 43, people in 1, laboratories and offices in countries, Intertek provides quality and safety solutions to a wide range of industries around the world.
ASTM D4226 – 16
It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Compound qualification, finished product quality control, environmental and weatherability research and development studies, and fabrication tolerance prediction constitute useful applications. Historical Version r4226 – view previous versions of standard.
In general, the conical impactor, C. Then a series of 20 impacts are conducted.
Gardner Impact ASTM D4226, D5420
There is no known ISO equivalent to this standard. Assurance Enabling you to identify and mitigate the intrinsic risk in your operations, supply chains and business processes. The test sample rests on a base wstm over an opening of specified diameter. Send us a request Wilton UK: Global Reach Intertek is the industry leader with over 42, people in 1, locations in over countries.
The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
For optimum results using the staircase method, a minimum of 30 test samples are necessary.
Certification Formally confirming that your products and services meet all trusted external and internal standards. If a test sample passes, the drop height is increased by one unit. Enabling you to identify and mitigate the intrinsic risk ast, your operations, supply atm and business processes. Falling dart impact, also known as Gardner impact, d42266 a traditional method for evaluating the impact strength or toughness of a plastic material.
Any flat specimens can be tested – the preferred test sample is a mm 4″ disk or plaque. Assurance Testing Inspection Certification. The test is often used to specify appropriate materials for applications involving impact or to evaluate the effect of secondary finishing operations or other environmental factors on plastic impact properties.
Evaluating how your products and services meet and exceed quality, safety, sustainability and performance standards.
Gardner Impact ASTM D, D
Inspection Validating atm specifications, value and safety of your raw materials, products and assets. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.
Formally confirming that your products and services meet all trusted external and internal standards.
Equivalent surface conditions are more likely to occur when specimens are prepared by compression molding or extrusion than by injection molding.