No matter in which way the packaging is designed, from the most common used, plastic bags, to the late-model, anti static bubble bags, the original purpose of packaging is always to protect products, facilitate transportations and promote sales.
Along with the progress of human civilization, new products constantly emerge in the markets, and some of them have been involved in many new areas and experts have advanced the frontier of their fields which they haven't reached before. For instance, products like micro-electronics, superconductors, biological gene products as well as nanometer-products, their packs require new designs and technique. Then how to preserve these products or how can we succeed in trade sales, these new issues promote renovation in new materials, structures and other aspects of packaging in other to adapt to the needs of the times.
Packaging design is to serve for consumers. Convenience and consumers' preference are two basic starting points for packaging design. Therefore, the great change which has taken place in life and consumption patterns has an important influence on packaging. The production of POP packaging, portable packaging, cans, vacuum packaging and other forms, are all the results of consumer demand. Efficiency has become the most important factor and more convenience and simplicity are required in packaging.
The modernization in transportation makes the world become smaller gradually. Today, beef from United States, salmon from Norwegian or fruit from France is also available in Chinese markets, which are all dependent on the high efficiency and improvement in the level of packaging and transportation. Business internationalization is characteristic of the economic development of modern society. And packaging design industry must adapt to this international trend. Requirements like prevent the products from being affected by the air temperature, weather, squeezing, shaking, light and erosion, are aiming at adapting to the containers in modern scale, storage and transportation. In order to improve efficiency, more precise and scientific designs will be needed.
Uni-Pak is a professional soft packing manufacturer, which focus on all kinds of plastic bags with advanced equipments and experienced hi-technology. The factory area covers more than 10,000 square meters, which is located in Liyatang District, Lincun, Tangxia Town, Dongguan City, Gangdong Province, China, which is closed to Shenzhen City.
This article comes from:http://www.chinaunipak.com/News/152.htm
When I was a high school student, I used to sell flowers in the street. At that time, Valentine's Day was coming and I wanted to earn some money. My mother supported me and gave me 500 yuan to buy flowers. This was the first I did business and I wanted to did it well. One day before Valentine's Day, I bought 800 flowers from the supplier who was my mother's friend and he gave me a cheap price. I asked my good friend to help me sell flowers. I was a little bit excited that day, although it was cloudy and cold I got up early. When we got to the street, my good friend and I started to shout:" Beautiful rose! Would you like to buy roses for your lover or girlfriend? We have the freshest and most beautiful rose!" Well, I was afraid that if I sold flowers in a high price, no one would like to buy them. I sold 10 yuan every flower. At the beginning, they were sold quickly. It wasn't last for a long time. "Your flowers become dry and their petal is going to fall down." A customer complained. I observed them carefully and I found it was true.  I was so anxious. If all the flowers become dry and their petal fall down, I would lose all of my money. I tried to sprinkle water in flowers, but after ten minutes, it became dry again. "Why don't you buy some flower bags to packaging your flowers? If you packaging them with plastic packaging bags, they wouldn’t lose water so fast and flower bags would protect your flowers well. Besides, flowers would look more beautiful and you can sell them in a higher price." My friend advised. "That sounds pretty good!" I was so happy. I asked her to take good care of my flowers and I left there to find wholesale packaging bags. Because I bought a large number of flower bags, the seller gave me 5% discount and I brought bags back to the street. After packaging, my flowers look so beautiful. Besides, other sellers didn’t packaging their flowers and compared to them, my flowers look so special and I decided to sell 15 yuan every flower. Of course, they sold well and I earn 800 yuan at that day. From this event, I know that packaging is also very important. chinaunipak.com The main products of this company are all kinds of plastic bags used in food, garment, electronic, gift, chemical and medicine industries, such as color-printing multilayer compound middle-seal bag and three side-seal bag, compound header bag, plat bag, zip lock bag, stand up zip lock bag, anti-static bag, vacuum nylon bag, retort bag, food roll film, shampoo bag, ink cartridge bag, PE/PP/PO plastic bag and PP/PE sheets packing bag & box and so on. All of the materials are nontoxic, and our plastic food package bags have got the certificate of ISO9001:2000 and the certificate of QS.
According to the experts' introduction, the environmental policies and limit implementation of the plastic bags have an effect on composite bags, vacuum bags and other plastic packaging, plastic products industry. Especially the ultra-thin plastic bags' sales have been significantly reduced. But according to the market and the development of related industries' status and development trend analysis, plastic bags, plastic bags industry remains very impressive, especially the food plastics Bag.  Currently, the composite bags, PVC bags and other plastic bags in the market are not easy to break down, which likely to cause soil contamination and visual pollution, etc. With growth of the awareness of environment protection, the traditional plastic bag industry has suffered some impact, particularly the national plastic. However plastic bags which are biodegradable and environmental are not widely used in daily production. The effective alternative plastic bags have not developed; plastic products still have a very wide demand especially in food industry. Food, milk, fruit juice, eggs, candy and baked goods, and packaging of meat, poultry and seafood and other food packaging is still use plastic bags, flexible packaging market is also semi-finished meat’s direction. Therefore, PVC bags, composite bags, vacuum bags and other plastic packaging, plastic products prospects remain considerable. Achieve product and corporate restructuring and upgrading is a real foothold in the market. chinaunipak.com The main products of this company are all kinds of plastic bags used in food, garment, electronic, gift, chemical and medicine industries, such as color-printing multilayer compound middle-seal bag and three side-seal bag, compound header bag, plat bag, zip lock bag, stand up zip lock bag, anti-static bag, vacuum nylon bag, retort bag, food roll film, shampoo bag, ink cartridge bag, PE/PP/PO plastic bag and PP/PE sheets packing bag & box and so on. All of the materials are nontoxic, and our plastic food package bags have got the certificate of ISO9001:2000 and the certificate of QS.
Anti-static bag (silver gray bag) composites product performance by the cpp bottom material+electronic aluminized+pet fabric, which is widely used in all kinds of pc board, computer motherboard, sound card, video card, network card, and electrostatic sensitive technology electronic products packaging. 
As a kind of Anti-static bags, the anti static bubble bags have a good workability, and the conductive layer using coating process, which can be processed into any shapes according to user requirements. According to the solvent migration test and aging properties test, the service life of the material is 18 years. The static bag packaging materials in China meet international standards. The same to the anti static plastic bags, anti static bubble bags, made of special anti static bubble film, can provide a great protection against static discharge for electronic products, such as circuit boards, switches, controls, resistors, and other electronic components. The anti static plastic bags are side welded for high strength and moisture prevention. The main performance of the anti-static packaging materials: to prevent the generation of triboelectrification, to avoid the effects of electrostatic field, to prevent direct discharge with charged human body or in contact with a charged object. What about static bags? Compared to the Anti-static bag, the static bags are very effective at preventing a static charge from affecting whatever store is inside as long as the bag is closed. They also are designed so that whatever is inside won't build a static charge of its own from being moved around. Reaching into the bag to grab the product without some form of personal ground means will still result in a possible static discharge. http://www.chinaunipak.com/ The main products of this company are all kinds of plastic bags used in food, garment, electronic, gift, chemical and medicine industries, such as color-printing multilayer compound middle-seal bag and three side-seal bag, compound header bag, plat bag, zip lock bag, stand up zip lock bag, anti-static bag, vacuum nylon bag, retort bag, food roll film, shampoo bag, ink cartridge bag, PE/PP/PO plastic bag and PP/PE sheets packing bag & box and so on. All of the materials are nontoxic, and our plastic food package bags have got the certificate of ISO9001:2000 and the certificate of QS. The article comes from:http://www.chinaunipak.com/News/146.htm
According to a recent report, 'Home Care Packaging in the US,' stand-up pouches represented the fastest-growing pack type in 2012, growing by 28%. The stand up pouch is a direct response to the consumer's demand for more eco-friendly packaging. As opposed to other plastic containers for liquid products, pouches use less plastic and, also important, they take up less space. The significantly reduced space can mean significant savings for transportation, storage, and even an increase in shelf space at the store. You can also place a clear custom label onto the bag for that "no-label" look.
Pouches can be used for anything from baby food to soap and shampoo to cereal, and replace not only plastic bottles, but also jars and cans. It can also be used in stand up pouch bags. If you do have a liquid product, you might want to consider switching to pouches, which have become a popular packaging alternative with both consumers and manufacturers because of its inexpensive nature and ability to lower the impact on the environment.
The labeling and packaging industry is always going through changes, just like every other industry. One recent change, however, is the movement toward stand up pouches for liquid packaging. Consumers enjoy the product as it is easy to use, requires no electricity, is attractive enough to be displayed in the home, and allows them to constantly vary the scents that they use in their home.
http://www.chinaunipak.com/ The main products of this company are all kinds of plastic bags used in food, garment, electronic, gift, chemical and medicine industries, such as color-printing multilayer compound middle-seal bag and three side-seal bag, compound header bag, plat bag, zip lock bag, stand up zip lock bag, anti-static bag, vacuum nylon bag, retort bag, food roll film, shampoo bag, ink cartridge bag, PE/PP/PO plastic bag and PP/PE sheets packing bag & box and so on. All of the materials are nontoxic, and our plastic food package bags have got the certificate of ISO9001:2000 and the certificate of QS.
The article comes from:http://www.chinaunipak.com/News/147.htm
There are many kinds of packaging, food bags, pet food bags, flower bags, medicine packaging bags, and electronic packaging bags. Most suppliers love wholesale packaging bags.  In people's lives, generally there are three primary needs. The first is to meet people's basic needs; second is to meet people's spiritual needs; third is beyond matter and spirit, which is a supreme realm. But the reality is that these spiritual needs require improving the standard of people's needs and the entire national culture, which cause the higher requirement of aesthetic standards. There is new type packaging---stand up pouch bags which satisfy customers. The speed to please the consumers, to meet consumer aesthetics, beauty, longing for the pursuit of beauty is accelerating. In order to meet and satisfy the people, manufacturers, businessmen also focus on packaging. They create a beautiful image, so that consumers love at first sight and would not leave. From enjoy to loving, it eventually reach such a psychological satisfaction. From commodity trading, packaging quietly walked into people's lives. It should be said that packaging is the product of material and spiritual civilization of. As people's living standards improve, it reflects the its increasingly importance. Apart from protecting goods, easy to transport, storage, more importantly, the more important role of packaging is to promote the sale of goods and to meet people's aesthetic psychological needs. The first major function of packaging is to promote sales. With the increased importance placed on self-service marketing, the role of packaging is becoming quite significant. The Common uses of packaging include: protection, transmission, marketing, convenience, barrier protection and security. www.chinaunipak.com The main products of this company are all kinds of plastic bags used in food, garment, electronic, gift, chemical and medicine industries, such as color-printing multilayer compound middle-seal bag and three side-seal bag, compound header bag, plat bag, zip lock bag, stand up zip lock bag, anti-static bag, vacuum nylon bag, retort bag, food roll film, shampoo bag, ink cartridge bag, PE/PP/PO plastic bag and PP/PE sheets packing bag & box and so on. All of the materials are nontoxic, and our plastic food package bags have got the certificate of ISO9001:2000 and the certificate of QS. The article comes from:http://www.chinaunipak.com/News/145.htm
According to the experts’ introduction, the environmental policies and limit implementation of the plastic bags have an effect on composite bags, vacuum bags and other plastic packaging, plastic products industry. Especially the ultra-thin plastic bags’ sales have been significantly reduced. But according to the market and the development of related industries’ status and development trend analysis, plastic bags, plastic bags industry remains very impressive, especially the food plastics Bag. Currently, the composite PVC bags and other plastic bags in the market are not easy to break down, which likely to cause soil contamination and visual pollution, etc. With growth of the awareness of environment protection, the traditional plastic bag industry has suffered some impact, particularly the national plastic. However plastic bags which are biodegradable and environmental are not widely used in daily production. The effective alternative plastic bags have not developed; plastic products still have a very wide demand especially in food industry. Food, milk, fruit juice, eggs, candy and baked goods, and packaging of meat, poultry and seafood and other food packaging is still use plastic bags, flexible packaging market is also semi-finished meat’s direction. Therefore, PVC bags, composite bags, vacuum bags and other plastic packaging, plastic products prospects remain considerable. Achieve product and corporate restructuring and upgrading is a real foothold in the market. chinaunipak.com The main products of this company are all kinds of plastic bags used in food, garment, electronic, gift, chemical and medicine industries, such as color-printing multilayer compound middle-seal bag and three side-seal bag, compound header bag, plat bag, zip lock bag, stand up zip lock bag, anti-static bag, vacuum nylon bag, retort bag, food roll film, shampoo bag, ink cartridge bag, PE/PP/PO plastic bag and PP/PE sheets packing bag & box and so on. All of the materials are nontoxic, and our plastic food package bags have got the certificate of ISO9001:2000 and the certificate of QS.
 Besides vacuum packaging bags, a large number of aluminum foil bags are used for food packaging business at present. This is also the food vacuum bag with positive aspects. When there is no special prerequisite of the meals packaging, the food suppliers use normal vacuum packaging bags. However, some food has particular demands for food packaging. Such as candy, drinks, cooked food need the vacuum packaging bags and aluminum foil bags with special purpose in the deals.
The aluminum foil bag has another name which is called pure aluminum bag. The advantages of aluminum foil bags are: the biggest attribute with the aluminum foil bag is always to avoid light, that’s, the mild transmittance could be the lowest. Some products are fragile mild aluminum foil bag, such as some light-sensitive drug. In addition, the aluminum foil is pervious to mild, in order to be packaged with all the aluminum foil bags, such as some light sensitive medications and so on. Aluminum foil is not pervious to mild and has a good reflective efficiency. Also, the aluminum foil bag has much better printing impact. The aluminum foil bag has stiff and sleek form.
Aluminum foil bags have very good efficiency of blocking air. With anti-oxidation, it can be capable to get waterproof and moisture-proof. More importantly, it’s very good functionality of resistance to blasting, puncture and tear. Owning the resistance to high temperature, lower temperature and oil, it’s got excellent efficiency of maintaining sweet. It is really poisonless and tasteless, which accords with the meals and drug packaging wellbeing expectations. What is more, it is really the overall performance of the large heat sealing, softness and good separation.
Applications of Aluminum Foil Bags for Food Packaging
The main areas of the aluminum foil bags have 4 sorts: the first one may be the packaging of chocolate and candy. Recently, chocolate almost to the use of aluminum foil packaging. A second possibility is the actual food and cooked food packaging, these kinds of instant noodles and nearby property meals, etc. 3rd may be the dairy merchandise packaging. Nowadays all of the milk powder generally employs aluminum-plastic composite packing from the aluminum foil bag. The liquid dairy items mostly make use of aluminum foil bags. Forth may be the use as coffee packaging bags and tea packaging bags.
www.chinaunipak.com is a professional soft packing manufacturer, which focus on all kinds of plastic bags with advanced equipments and experienced hi-technology. The factory area covers more than 10,000 square meters, which is located in Liyatang District, Lincun, Tangxia Town, Dongguan City, Gangdong Province, China, which is closed to Shenzhen City.
 Requirements to Technique
The sealing temperature settings of stand up pouch bags should take in consideration of the performance, the thin film thickness, the heat seal pressure frequency, and the size of the heat seal area of the heat seal material. When the same site suffers repeated hot pressure, the heat sealing temperature can be appropriately reduced.
During heat sealing, add a suitable pressure on the sealing knife in order to make the thermal cover material laminated in a molten state. But if the pressure is too large, the molten material will be cut, which not only affects the flatness of the stand up pouch bags, but also makes the sealing edge brittle and lower its heat sealing strength.
The heat sealing time not only is relatively with the sealing temperature and sealing pressure, but also attaches to the sealing materials, heating methods and other factors. So different stand up pouch products should be tested prior to production to adjust the technological parameters.
Sealing knife heating methods can be divided into single knife heating and double knives heating. Double knives heating temperature is lower than the single knife heating temperature.
Technological Procedure
Process Preparation
Install molding template in accordance with the stand up pouch bag shape requirements and process indicators, such as horizontal, bottom, and enhanced sealing knife, as well as the bag bottom and punching device; put on the slitted composite film to the bag making machine, aiming at the cursor and the patterns; adjust the temperature of the edge sealing and the bottom sealing knife, type the length of the bag and the bag making speed into the computer, and adjust the up and down heat sealing knife to make it coincided; install the bag bottom film, adjust the molding, folding and punching position, and check if the round holes at the bag bottom meet the requirements ; adjust the enhanced heat sealing knife for the compaction on the location where the four layers interchange; adjust the position of the cutting knife, the edge cutting and the edge material rolling machine; after tuning on the machine, test and adjust the bottom heat sealing position and the punching position, and adjust the horizontal and vertical sealing knifes until the stand up pouch products meet the requirements.
Process Key Points
The tension of basement film and main film should be compatible; the tension of the basement film can not be too high, otherwise it will easily lead to the deformation of the bottom round holes, affecting the heat seal strength and flatness of the stand up pouch bag bottom.
The bag making speed and the heat sealing time should be adjusted. If the bag making speed is too fast, the heat sealing time will be reduced and the heat seal strength will be low; if the bag making speed is too slow, the heat sealing time will be long, the bag will be easily burned, and the heat sealing site will be brittle and fragile.
Chinaunipak.com is a professional wholesale packaging bags manufacturer, which focus on all kinds of plastic bags with advanced equipments and experienced hi-technology.
As you may think, that plastic packaging of the food packaging and pockets has become very talked-about with the industrial metals market. This can be seen in some sensible look hand bag, transfer and save generated in Asia, different things, you need to complete personal and the whole move from an industrial plant or industrial plant grocery guarantee. This is a particularly convenient to carry food home. The node that comes in several of today's plastic packaging hand bag solely contributes to the comfort each step of the means.
Produce isn't the sole quite meals that a lot of individuals store in look hand bag. Little things squared measures the higher mortgage, once they square measure stored in zipper bags and biodegradable food bags. In addition, candy and chewing gum once placed inside the bag is very obvious, but also protect your status and the different pollutants to take action.
Vacuum Packaging Bags
You may have even noticed that different styles of things have returned already in a plastic packaging bags which are reclosable. The explanation is often, many manufacturers have taken to get customers to choose something that will simply be resealed to keep the fabric clean and safe sign. You can discover reclosable look hand bag getting used in an exceedingly type of sectors of late. Needless to say, usually in the manufacture of bags, but some domestic talent more emphasis on the individual but also to get them all their garden truck bay. Next, you just look at some of the makeup, you can also be found at the counter of plastic packaging handbag introduction.
Automotive sector typically return jacket look hand bag, closed the devastating effects of excessive state, but also contains all to smaller areas, they will not be missing. It is very indifferent, they are what kind of market, you touch on the most convenient interval squared measures are sometimes simple, reasonable handbag plastic packaging for different purposes.
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