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ASTM D5748-95
ASTM D5748-95
ASTM D5748 is a puncture resistance test method for stretch wrap film protrusions. Stretch films are the most popular films in use for retaining loads on pallets when stored and shipped. Wrapped products may also have sharp corners, edges, or projections that could cause the film to be punctured in real-world distribution applications, causing load stability problems. ASTM D5748 is a controlled testing method for determining stretch wrap film resistance to puncture by a protruding probe under controlled testing conditions. This test is useful to manufacturers to determine the toughness and durability of stretch film for tough packaging applications.
Significance
ASTM D5748 is a critical standard in the packaging field because puncture resistance is a direct measure of the film's ability to keep products protected throughout the packaging, handling, and transport process when using stretch wrap film. If a film is not puncture resistant, it can rip or tear when it touches irregular end load surfaces, causing load shifting, product damage, and transportation loss. By following ASTM D5748, manufacturers can compare film formulations, evaluate material performance, and assess the impact of production variables on puncture strength. The results are used for product development, material selection, quality control programs, and the manufacture of films, which should be uniformly capable of meeting film requirements where they are put under practical film distribution conditions. Scope ASTM D5748 covers the determination of protrusion puncture resistance of stretch wrap film using a controlled puncture test method. The standard requires the measurement of force and energy to puncture the film sample. It is relevant to the stretch film producers, packaging companies, testing laboratories, material suppliers, logistics providers, and quality assurance teams, which together are part of the chain of packaging material development and assessment.