Seal Quality
Good seals are a result of time, temperature and pressure for the correct clean material. Several standard test methods are available to measure the strength of heat seals. In addition, package testing is used to determine the ability of completed packages to withstand specified pressure or vacuum. Several methods are available to determine the ability of a sealed package to retain its integrity, barrier characteristics, and sterility.
Heat sealing processes can be controlled by a variety of quality management systems such as HACCP, statistical process control, ISO 9000, etc. Verification and validation protocols are used to ensure that specifications are met and final materials/packages are suited for end-use.
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Famous quotes containing the words seal and/or quality:
“Eyes, look your last.
Arms, take your last embrace, and lips, O you
The doors of breath, seal with a righteous kiss
A dateless bargain to engrossing death.”
—William Shakespeare (1564–1616)
“The irregular and intimate quality of things made entirely by the human hand.”
—Willa Cather (1873–1947)