Plastic film III for heat sealing of the hottest s

2022-10-14
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Plastic film for heat sealing of flexible plastic packaging (III)

continued table

table characteristics of heat sealing film

thin

film

requirements performance

special

properties

maintain functional barrier mechanical strength resistance to content physical permeability

wet

permeability

permeability

sex

permeability

CO2

sex formation

points

absorption

sex

cannot form a cooperative formation

points

solution when competing with the outside world

Out

sexual composition

score

penetration

over

sexual resistance

Zhang

strong

degree extension

length

rate tear

crack

strong

degree impact

strike

strong

fall

strong

degree of tolerance

pressure

strong

degree of peeling

separation

strong

degree of flexibility

curve

strong

degree of tolerance

Vibration

Dynamic

needle

hole

strong

degree of recombination

peeling

separation

strong

degree of resistance

cold

strong

degree of resistance

heat

strong

degree of resistance

water

strength

oil

grease

permeability

over

oil

peeling

strength

no deterioration

no deterioration due to the heat of heat sealing ○ no deterioration due to the migration of contents ○ ○ ○ ○ no deterioration due to the inclusion The prospect is very decadent. Water deteriorates ○ not because of hot water ○ not because of high temperature cooking ○ not because of γ Radiation sterilization and deterioration ○ packaging

machine suitability

usability

good packaging machine without bad heat seal

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