May 19, 2021
Check whether the current is within the rated allowable value
The rubber wheel is locked; The rotation of the V-belt wheel by hand should be easy and without blocking; Turn on the switches of the main engine, fan, auxiliary engine and two sets of chain clamping machines; Start the screw rotation work motor at low speed, Check whether the current is within the rated allowable value and whether there are abnormal noises in the work of each transmission part
After everything is normal, feed into the barrel according to the requirements on the production process sheet. The first feed should be small and uniform, and pay attention The load current of the screw drive motor changes until the die is discharged. 3. Thickness and film adjustment: If the bag is too thin, it can speed up the main machine or the auxiliary machine; If the bag is too thick, it can slow down the main machine or speed up the auxiliary machine; Adjust the thickness uniformity of the bag (front and back and left and right thicknesses) )
If the bag thickness is not uniform, the mold can be adjusted directly; 4. Adjust the width of the bag to the allowable range of the production process sheet; 5. Adjust the width of the lip of the bag to the allowable range of the production process sheet; 6. Adjust the meter weight of the bag to production The allowable range of the craft bill. Well, the above is a brief introduction of Shanghai Plastics' film blowing operation process in the production of ziplock bags. I hope it will be helpful to everyone. Shanghai Plastics is a professional manufacturer of ziplock bags.
Its ziplock bags such as medical ziplock bags, food ziplock bags, and other packaging have been widelyStretch Film manufacturerpraised by customers. The products are exported to foreign markets and have established long-term cooperative relations with many large manufacturers. Here, businesses are welcome to come to consult and cooperate.
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May 12, 2021
How can this effect be achieved?
Many times people pay attention to not only the product itself, the decoration style of the store, the service attitude of the salesperson, but also the packaging style of the product. I hope it can help everyone.
Presumably, this is also a concern of many custom-made plastic bag merchants, because the product can only become more influential if it is recognized Slitting Stretch Film Suppliersin many aspects. From a practical point of view, it means that the biodegradable plastic bag will not break when bearing a certain weight, which has laid a relatively stable foundation for many people when carrying items.
So, how can this effect be achieved? In fact, these two aspects are inseparable: the first is practicality; the second is the stylish and beautiful workmanship and the selection of production materials.. It can make our plastic bags carry more functions, and some people will make their own plastic bag advertisements through plastic bags, which is more popular now.
For example, in some chambers of commerce, biodegradable plastic bags with corresponding themes will be customized on site. Let’s talk about the impact of biodegradable plastic bags on customers and their sense of value today. Well, the above is the introduction of the commercial value of biodegradable plastic bags by plastic bag manufacturers.
This also reflects the importance of businesses to care for the environment and indirectly increases the value of the product. Beautiful plastic bags can also be reused, reducing waste of resources. Plastic bags are also a product with a large usage and flow range. From the aspect of appearance, it can better reflect the necessity of customized plastic bags
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April 26, 2021
The above is how to choose the material for custom-made plastic packaging bags?
Advantages of Opp material: Stretchable polypropylene, a kind of plastic, is
actually a plastic bag. Its characteristics are: easy to burn, flame conditions:
melt dripping, yellow on the top and blue on the bottom, less smoke after
leaving the fire, and continue to burn.How to choose the material in
custom-made plastic packaging bags? 　　
Pe material advantages: Polyethylene is
referred to as PE, and polyethylene is a thermoplastic resin made by
polymerization of ethylene. In compounding, you can choose hdpe or ldpe
materials to compound. It is recommended to order (Po packaging bag) 　　
PP
material advantages: particularly soft, good toughness, environmentally
friendly, non-toxic, high temperature resistant, often
PE Straps made into
the packaging of catering utensils or high temperature resistant products; but
its plasticity is poor, processing is difficult, and the surface is shiny Poor
degree, and the color will become lighter during processing. Therefore, the
material has the characteristics of pp material and pe material. I often see
this recently.　　
The above is how to choose the material for custom-made plastic
packaging bags? I hope it can help you. Advantages of PVC material: PVC material
is polyvinyl chloride, which is one of the largest plastic products in the
world, cheap and widely used. Resistant to water, salt and other substances: it
can maintain stability in large amounts of application, high softness and
toughness: the application range is very wide. 　　
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April 13, 2021
The raw material of plastic bags is polyethylene
It is generally milky white and translucent. It will make a crisp sound when shaken. In many cases, whether it is a plastic bag or a garbage bag, there are different needs. There is no uniform standard for the raw materials of garbage bags. Like garbage bags, there is Black Pe Stretch Film also a category of plastic bags that are heavily used: 'Handy plastic bags', which are also the core products of plastic bag manufacturers.
Due to different materials, under the same load-bearing capacity, the thickness of the garbage bag that meets the requirements is definitely different. Garbage bags are actually a category of plastic bags, but the use of garbage bags accounts for almost half of other products of plastic bags, and they can cover all groups of plastic bags, forming the current garbage bag market. It is non-toxic and odorless, and has different thickness requirements depending on the size and bearing capacity. What are the production standards for garbage bags and 'normal' plastic bags? In fact, there is no unified answer to this question.
The 'normal plastic bag' in the title refers to shopping bags and packing bags made with PE as the main raw material.If classified by material, plastic bags and garbage bags are included in the included relationship. Therefore, garbage bags are Listed separately for production and sale. In the eyes of plastic bag and garbage bag manufacturers, what is the difference between these two major profitable products? What are the production standards? That is what this article will discuss. There are new PE materials, recycled materials, and mixed new materials.
The raw material of plastic bags is polyethylene, or PE for short. Although it is possible to provide currency products for customers in different industries, there are also customers with special needs who need customized plastic bags and garbage bags! Therefore, the production standards of garbage bags and plastic bags are actually the requirements of our target customers! Plastic bags and garbage bags that cannot meet customer requirements are not in compliance with the production label!. After being made into plastic bags, it has a smooth hand and a hard and tough texture. In short, the plastic bags delivered by plastic bag manufacturers must meet all the above requirements
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March 30, 2021
The value of such plastic bags is relatively high
Generally speaking, the value of such plastic bags is relatively high. 2. If air
leakage occurs, this can easily lead to food deterioration and damage. At this
time, it is recommended that you do not choose them, so as not to affect your
health. Some unscrupulous merchants may choose some inferior plastic bags in
order to save costs.Plastic bags are quite common in our daily lives, no matter
what we buy, they will be involved in this kind of plastic bags.
Environmental
protection issues Nowadays, the country has strict control over environmental
protection. Many foods have strict requirements for sealing, which can further
ensure that the food does not expire, and will not be bitten by some
China packaging film rodents and so on.
They are used for direct contact with food, so they need to meet the
corresponding food requirements. Therefore, from this analysis, the tensile
strength of plastic bags used in food is better, that is, the quality is better.
The production is rough and has a pungent taste, which is not very good at first
glance.
Fourth, the sealing problem Finally, we should remind everyone to pay
attention to the sealing problem of food packaging bags. In addition, everyone
should pay attention that food packaging bags cannot be discarded everywhere
after use, so as to avoid white garbage and pollution. The consequences are
quite serious. Because many food plastic bags actually need to be transported or
moved, if they are damaged or damaged on the way, it is obvious that the food
will be contaminated at this time, and ultimately it will no longer be available
for people to use.
Therefore, when choosing food packaging plastic bags, you
also need to pay attention to the sealing problems.. But everyone knows that
food is different from general product packaging, and the choice of plastic bags
at this time must be treated rigorously. Some of these may be recycled plastic
bags, which is not an option. It should be said that this is also a very
important point. Let's take a closer look at how to choose food packaging
plastic bags, and what issues should be paid attention to? 1. 3. Among them,
food plastic bags also account for a large proportion, because plastic bags are
easier to package food, and they are also very light.
Tensile strength food
packaging bags still have a more important issue, that is, they need to be
practical and strong enough. It must be ensured that the food packaging plastic
bags are non-toxic and harmless, that is, absolutely safe. The food packaging
bags themselves are different from ordinary plastic bags. Since the safety issue
is the food packaging bag, it is obvious that it will directly contact the food,
so the safety issue is the primary focus
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March 17, 2021
The pattern should be clear and complete
The printing position of the plastic packaging bag should be arranged completely
according to the original design.As we all know, food packaging bags are
generally printed on various plastic films, and then combined with barrier
layers and heat-sealing layers to form composite films, which are slit and
bag-made to form packaging products.. Otherwise, if the details of the plastic
packaging bags do not meet the required standards, it is likely to
're-engineer'. There can be no large-scale printing secondary points. So what
are the precautions for printing food packaging bags?
Shanghai Plastics believes that the printing of plastic
packaging bags is not a simple matter.
Hand
Use Stretch Wrap Film The so-called secondary points are insufficient
points, and the allowable value is 20 per square meter. What are the
precautions for printing plastic food packaging bags?Among them, printing
is an indispensable key process in the production process of food packaging
bags. will answer your doubts.
In the printing process, the ink peeling rate
must be less than 20%. The pattern should be clear and complete, and there
should be no stains left by the ink on the surface of the plastic packaging bag.
If you are a novice, you should start with the formula A (ink peeling
rate)=S1/S2*100%, and then start from a practical point of view to see how the
details should be grasped. The printing color number of the plastic packaging
bag must be developed in accordance with the single color number designed at the
time, and the packaging bags produced in the same batch must have no color
difference in color.
Then the gain is not worth the loss, so everyone must pay
attention to the printing of plastic packaging bags. There are many things to
pay attention to
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March 02, 2021
Food packaging has become a place where companies need to work hard
The fish that slipped through the net. You can choose the appropriate materials
according to your own use. Food plastic bags must also have food safety labels
before they can be put into market use after passing tests., do you have a
certain understanding of the precautions for food packaging bag customization?
Everyone should pay attention to the three points mentioned above when
customizing food packaging bags, so as to ensure the safety of the packaging
bags and help promote their own products.
Therefore, the scope and purpose of use are similar. The choice of materials
When custom-made food packaging bags, design is very important, but the
materials should not be ignored, otherwise, how about meeting the requirements
and safety? At present, the main plastic bag production materials are
polyethylene and polypropylene. Selection of specifications and sizes Food
packaging bags have many specifications, and you can determine the model you
want when making custom.
Therefore, it is recommended that you choose a
regular manufacturer when choosing a manufacturer. The choice of customized
packaging plastic bag manufacturers. You can make it clear with the custom-made
plastic bag manufacturers according to your needs. We know that plastic bags
have a certain degree of pollution to the environment, but plastic bags have
also become an indispensable necessities of life for people. Therefore, my
country has strictly controlled the production of plastic bags, but it is
inevitable.
The former is non-toxic and environmentally
friendly, while the latter is toxic and harmful and not environmentally
friendly. For example, supermarket plastic bags generally have three models,
large, medium and small, but different businesses have
Wrap Tape Suppliers
large bags but the specific size is still different.In most cases, the
unique beautiful appearance of food packaging bags is also a weapon that
attracts consumers' attention.
Therefore, food packaging has become a place where
companies need to work hard. In order to ensure your own rights and produce
plastic bags that meet the requirements and are safe, you should pay more
attention to food plastic bags to avoid large losses. Because the size is
different, the cost will be different, and the price will also be different.
will introduce to you the precautions for custom-made food packaging bags
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February 25, 2021
Drawstring garbage bags are really easy to use
You won’t encounter garbage.Our garbage bags are large-capacity, durable and
easy to carry.Drawstring trash bag, after the trash is full, you can draw a
strand of rope on both sides, and then you can take the rope out to take out the
trash. They are not just garbage bags, but also storage bags. Little
happiness.　　
If you use a garbage bag, just pull out the rope from both ends.
Different from the previous garbage bags, the drawstring garbage bag can easily
draw the drawstring from both sides after the garbage is full, and throw away
the garbage easily.. Drawstring garbage bags are really easy to use. Not only
will it not dirty your hands, but the convenient and user-friendly design will
also improve the size.
One more mention can lift the entire trash bag out of the
bucket. Moreover, this drawstring trash bag will not get dirty.Everyone knows
that we cannot live without garbage bags now. A good helper for home storage,
the new drawstring makes the complexity simple, each of our garbage bags is made
of new materials, good toughness, strong bearing capacity, using high-quality PE
materials, load-bearing and reliable, point-breaking design is convenient for
you to tear The new film blowing process makes the garbage bag tougher and more
puncture resistant.　　
This is another fashion item in life. Because we all know
that if your trash can has some wet objects on it, it is easy to touch those wet
objects when you go to the trash bag with your hands, so it is very disgusting.
Here is a kind of more useful garbage bags. I believe that practical and
beautiful drawstring garbage bags are
PE Stretch
Film Suppliers the choice of most people
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