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Torque Retention Standard addresses medicine cap tightness.
Press Release Summary:
Jan 14, 2015 - Understanding degree of torque needed for cap tightness is subject of ASTM Standard D7860, Test Methods for Measurement of Torque Retention for Child Resistant and Non-Child Resistant Packages with Continuous Thread Closures Using Automated Torque Testing Equipment. Results of tests can be used for package development and engineering evaluation. Standard will act as quality assurance aid, ensuring that caps are tightened to proper torque level.
Original Press Release
New ASTM Torque Retention Standard to Aid in Medicine Cap Tightness Tests
Press release date: Dec 09, 2014
Medicine bottle caps that are not tight enough can lead to water evaporation that results in concentration changes that would adulterate the medicine, leading to potential harm to the consumer and fines to the manufacturer from the U.S. Food and Drug Administration.
The test methods described in ASTM D7860 evaluate the torque retention of continuous thread closures on containers with matching finishes for predetermined environmental conditions over time. Results of the tests can be used for package development and engineering evaluation. The standard will act as a quality assurance aid, ensuring that caps are tightened to the proper torque level.
“Manufacturers of products that are packaged in bottles will be the primary users of D7860,” says ASTM member Simon Freed, an independent consultant. “Some third-party laboratories may also use the standard.”
D7860 was developed by Subcommittee D10.32 on Consumer, Pharmaceutical, Medical and Child Resistant Packaging, part of ASTM Committee D10 on Packaging. All interested parties are invited to join in D10’s standard developing activities.
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