PKSC 102- testing
PKSC 102- testing 81499 - PKSC 1020 - 001
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81499 - PKSC 1020 - 001
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This 3 page Class Notes was uploaded by Addie Pearson on Monday March 7, 2016. The Class Notes belongs to 81499 - PKSC 1020 - 001 at Clemson University taught by Heather P Batt in Fall 2015. Since its upload, it has received 27 views. For similar materials see Introduction to Packaging Science in Nutrition and Food Sciences at Clemson University.
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Date Created: 03/07/16
PACKAGE TESTING OVERVIEW OF PACKAGE TESITNG Primary Secondary Tertiary Quaternary THREE BASIC AREAS OF TESTING Quality testing Environmental testing Shipping and abuse QUALITY TESTING Uses standard methods and machines to determine quality of materials or combination of materials ENVIROENTAL TESTING Use a fully made and approved package Subject to real world simulated conditions or real world conditions Involves accelerated aging- process of evading conditions and speed testing Measures- effects of environment on product and package effects of product on the package during storage Shelf life determination: - Package or packaging material - Packaged goods - Effect of environment (on temperature and humidity) SHOCK AND VIBRATION TESTING (transportation or distribution testing) How package stands up to rigors of shipping storage and handling Sophisticated machines used to stimulate conditions… but they are just stimulations Two advantages: - Short testing time - Uniformity ORGANIZATIONS THAT PRODIVE TESTING PROCEDURES ASTM- American society for testing materials TAPPI- technical association of the pulp paper industries FPA- flexible packaging association ABA- American boxboard association ISTA- international safe transit association Paper example: - Paper must be conditioned using TAPPI standards: 24 hrs @ 73 +/- 3.5 Fahrenheit, +/- 2% RH - Creates standard conditions to eliminate variables due to changes in climate or season Specific tests for paper: - Tensile strength and elongation - Tear - Mullen burst strength - Stiffness - Opacity Specific tests for plastic: - Gloss, haze, clarity - Slip, blocking, static - Impact fatigue - Flex resistance - Permeability testing: cc/mil/100in^2/24hr o Mocon method for O2, CO2, and WVTR (Water vapor transmission rate) o OR cup method for WVTR Specific tests for aluminum: - First digit indicates primary alloy - Last two digits indicates purity - Most foil alloy is 1235 (.65% Si and Fe) - Generally tested similar to paper except for conditioning Specific tests for aluminum foil - Pinholes - Wettability Tests for inks, lacquers and adhesives - Weight/gallon - Zahn cup (viscosity) - Printing characteristics - Adhesion- scotch tape tests and sotherland rub tests Identification of unknown materials: - Duplicate a competitor package - Check competition for patent infringement Graphics lecture online Forms/ terms Testing
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