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Knowledge Popularization
Knowledge Popularization
Problems and analysis of dry composite of PE film
2021-08-13 15:08:49
Žymos:
PE film
In dry compounding
,
there are often problems such as weak compounding
,
white spots after compounding
,
the astringency of the compound product
,
and poor heat sealing
.
There are many reasons for these problems
.
The following only discusses the problems arising from the dry compounding of the PE film
. 1
Insufficient compound…
Skaityti daugiau
Theoretical analysis of the heat-sealing performance of PE film subjected to electronic shock
2021-07-13 14:07:44
Žymos:
PE film
Polyethylene is a non-polar material
,
and its film has low surface tension
.
Generally
,
the surface tension of the film can be reached by corona treatment
.
Better printing results can be obtained above 38dyn/cm
.
This development is to select appropriate raw and auxiliary materials and reasonable process formulas
,
After the PE…
Skaityti daugiau
The difference between CPP and PE film
2021-06-13 14:06:45
Žymos:
CPP film
,
PE film
,
The difference between CPP and PE film
The coefficient of friction refers to the coefficient of sliding on the surface of the film
,
which has been learned in physics
.
The common point of CPP film and PE film is that they can be heat-sealed But there are many differences between the two
.
The mechanical strength and tensile…
Skaityti daugiau
Common faults and solutions of low-density polyethylene
(Daugeliui buitinių prietaisų reikalinga apsauginė plėvelė, apsauganti nuo įbrėžimų)
blown film
2021-04-13 13:04:01
Žymos:
anti-blocking agent
,
low-density polyethylene
(Daugeliui buitinių prietaisų reikalinga apsauginė plėvelė, apsauganti nuo įbrėžimų)
blown film
Common faults and solutions of low-density polyethylene
(Daugeliui buitinių prietaisų reikalinga apsauginė plėvelė, apsauganti nuo įbrėžimų)
blown film The film is just too sticky and therefore the gap is the poor cause of the issue
:
① The rosin material model is wrong
,
it's not blown film grade low-density polythene resin particles
,
that doesn't contain open The content of…
Skaityti daugiau
How to choose polyethylene blown film material
?
2021-03-13 13:03:45
Žymos:
polyethylene-blown film
How to choose polyethylene-blown film material
?
The selected raw materials should be made of blown film grade polyethylene resin particles
,
containing an appropriate amount of slip agent to ensure thinness The opening of the membrane
.
The melt index
(
MI
)
of the resin particles should not be too large
.
If the…
Skaityti daugiau
Factors influencing the uniformity of protective film coating
2020-08-27 10:08:08
Žymos:
Protective film
The basic factors of the uniformity of the protective film coating are several conditions directly related to the coating process
:
coated substrate
,
adhesive
,
coated steel roller/rubber roller
,
laminating machine
, ir tt.
There are many factors influencing the uniformity of coating
,
including operators
,
machines
,
materials
,
methods
,
and rings
,
but the basic factors…
Skaityti daugiau
What are the common PET protective films
2020-08-24 10:08:02
Žymos:
protective films
The protective film is one of the most peer-to-peer protective stickers on the single-level opportunity
.
The three-layer PET protective film is loaded for the mask and the product
.
The boutique adopts a polyester case
.
The mask is hard on the line
,
more scratch-resistant
,
and anti-static during permanent disasters
,
it also…
Skaityti daugiau
Protective film characteristics and technical requirements
2020-08-21 10:08:19
Žymos:
Protective film
According to the viscosity points
:
Ultra-low-viscosity protective film
,
low-viscosity protective film
,
medium-low-viscosity protective film
,
medium-viscosity protective film
,
high-viscosity protective film
,
ultra-high-viscosity protective film 1. Ultra-low-viscosity protective film
(
ie
,
micro bottom Adhesive
) funkcijos:
thick
(
≥0.03m±0.003
),
width
(
≤1.3
), Daugeliui buitinių prietaisų reikalinga apsauginė plėvelė, apsauganti nuo įbrėžimų (100-1500),
base material
(PE),
peel strength
(
≤5g/cm
),
temperature resistance
(60),
stretch Rate…
Skaityti daugiau
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