Plastic film for heat sealing of flexible plastic packaging (V)
continued table the characteristics of heat sealing thin film compared with foreign suppliers
thin
film
requirements performance
special
properties
maintain functional barrier mechanical strength resistance to content physical property permeability
wet
permeability
o2
permeability
n2sex
permeability
co2
sex formation
score
absorption
sex formation
score
dissolution
outgrowth
sex formation
Sub
penetration
over
sexual resistance
Zhang
strong
degree extension
length
rate tear
crack
strong
degree impact
strong
built in powerful measurement and control software
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strength
resistance
compression
strength
peeling
separation
strength 4 Regularly replace the sealing ring
flexibility
bending
strength
resistance
vibration
dynamic
needle
hole
strength
repetition
closure
stripping
separation
strength
resistance
cold
strong
resistance
heat
strong
resistance
water
strong
oil
fat
permeability
resistance
oil
peeling
strength
no degradation
no cause heat sealing Deterioration due to heat ○ ○ △ not due to water content ○ △ not due to hot water ○ ○ ○ not due to high temperature cooking ○ ○ ○ γ X-ray sterilization and deterioration ○○○○○·············································································································