ASTM F736-17(2023)
$28.00
Standard Test Method for Impact Resistance of Monolithic Polycarbonate Sheet by Means of a Falling Weight
1.1This test method covers the determination of the energy required to initiate failure in monolithic polycarbonate sheet material under specified conditions of impact using a free falling weight.
1.2Two specimen types are defined as follows:
1.2.1Type Aconsists of a flat plate test specimen and employs a clamped ring support.
1.2.2Type Bconsists of a simply supported three-point loaded beam specimen (Fig. 1) for use with material which can not be failed using the Type A specimen. For a maximum drop height of 6.096 m (20 ft) and a maximum drop weight of 22.68 kg (50 lb), virgin polycarbonate greater than 12.70 mm (1/2in.) thick will require use of the Type B specimen.
Note 1:See also ASTM Methods: D1709, D2444 and D3029.
FIG. 1 Type B Specimen Geometry and Loading
1.3The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3.1Exception-The inch-pound units in parentheses are provided for information only.
1.4This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific hazard statement, See Section 7.
1.5This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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