PKSC 1020 Test 2 Questions with Correct Answers Latest Update

PKSC 1020 Test 2 Questions with Correct Answers Latest Update flexible laminates - Answers purpose is to combine best properties into a single structure flexible laminated films properties - Answers structural, barrier, aesthetic, cost, sealing flexible laminated films performance properties - Answers machinability, coefficient of friction, body and dead-fold properties, tear, thermoforming, use environment the lower the COF... - Answers the less energy involved VFFS - Answers vertical form fill seal HFFS - Answers horizontal form fill seal Vertical form fill seal - Answers has vertical orientation, makes pouches (capri sun, ketchup packs) horizontal form fill seal - Answers not as fast as VFFS, don't have to seal the bottom permeability equation - Answers volume (mL) and thickness (mil) divided by area per day methods of combining materials - Answers laminating, wet bonding, dry bonding, holt melt, extrusion, coating, coextrusion gravure coating - Answers metal cylinder has pits in it, coated into whatever (ink, wax), the pits pick up the coating extrusion lamination - Answers 3 layers laminate, substrate C is the melted polymer coming off the extrusion dye, the three-ply laminate is what is sold wet bond lamination - Answers wet or dry depends on the type of adhesion being used, wet has 1 unwind on the left which is passed over the glue and picks up substrate B, then sent to the drying tunnel dry bond lamination - Answers both dried before glued together, some glues have to set/dry laminate constructions - Answers read outside to inside, first layer is the outside layer which you can touch, outside is the material directly in contact with the product plastic terminology - Answers 100 gauge=1 mil=0.001 inches paperboard terminology - Answers points; 1 point=0.001 inches; above 12 points metals terminology - Answers mils; 1 mil= 0.001 inches micrometers terminology - Answers 1 micrometer=1x10^-6 meters ream of paper terminology - Answers 3000 ft squared primary - Answers contains product secondary - Answers contains one or more primary tertiary - Answers physical distribution package (shipper) quaternary - Answers unit load three basic areas of testing - Answers quality, environmental, shipping and abuse quality testing - Answers use standard methods and machines to determine quality of material or combination of materials environmental testing - Answers uses a fully made and approved package; subject to real world/simulated conditions; involved accelerated aging; measures effects of environment on product and package and effects of product on the package during storage accelerated aging - Answers process of elevating conditions to speed testing; reaction rate doubles with every 10 degrees rise (arrenhius equation-Q10 Law) shock and vibration testing - Answers how package stands up to rigors of shipping, storage, and handling advantages to shock and vibration testing - Answers short testing time and uniformity ASTM - Answers American society for testing materials TAPPI - Answers technical association of the pulp and paper industries FPA - Answers flexible packaging association (plastics) ABA - Answers American boxboard accociation ISTA - Answers international safe transit association TAPPI standards - Answers 1 day at room temp +/- 3.5 degrees and 50% relative humidity +/- 2% specific tests for paper - Answers tensile strength and elongation; tear strength; mullen burst test; stiffness; opacity specific tests for plastics - Answers gloss, haze, clarity; slip, blocking, static; impact fatigue; flex resistance; permeability testing permeability testing - Answers cc/mil/100in 2 per day at 80 degrees and 90% relative humidity mocon method - Answers O2, CO2, and WVTR WVTR - Answers water vapor transmission rate Cup method - Answers WVTR pinholes - Answers aluminum rolled too thin