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Heshan Yecheng Plastic Products Co.,Ltd.
The Difference in Uses Between Caps and Pumps
When it comes to packaging products, caps and pumps are two popular options for dispensing the contents of a container. While they seem similar at first glance, there are some significant differences in their uses that make them suitable for different types of products. Here are the main differences in the uses between Caps and Pumps.
The Multiple Uses of Cosmetic Preform in Various Industries
Cosmetic Preform is a type of plastic material that is shaped into a specific form before being molded into its final shape of cosmetic bottles or jars. In this article, we will discuss the different sizes of Cosmetic Preform and their uses in various industries.
The Versatile Applications of Wide Mouth Jar Preform in Various Industries
Preform is a term used to refer to a plastic material that is shaped into a specific form before being blown or molded into its final shape. Wide Mouth Jar Preform is a type of preform commonly used in the production of jars with a wide opening. In this article, we will discuss the different sizes of Wide Mouth Jar Preform and their various applications in different industries.
In the process of producing plastic preforms, the process control of preforms is very strict. If you want the quality of the bottle to be good, you must improve its heat resistance. It is mainly based on the injection cooling time control, choosing a reasonable design, Strictly control the injection and casting, the circulation blowing technology, and the application of the temperature adjustment technology of the blowing mold and so on. In the article, the editor brings you the skills to improve the heat resistance of preforms, as well as the pr
Precautions when preform injection molding:
1. Before the preform is injected, the material needs to be dried for three to four hours to prevent the moisture in the preform from exceeding and affecting the quality of the product. 2. The template and mold of the injection molding machine will need to be separated by a heat shield. There should be enough exhaust during injection molding to prevent cracking.
How to solve the eccentricity of PET preform
Among them, the testing standard of polyester resin is high, for example, it is easy to use, as mentioned above on the packaging of food, and now it is tasteless and of acceptable quality. At the entrance of the food circle, edible treasures, and ordinary consumers in the circle, pay attention to its level. The food has been kept in the air for too long, and finally transformed into a bigger one. Seeing the baby package of the standard quality of the pet preform inspection, Uses that will cause caution, now PET can resist ultraviolet rays, and ha
What is the reason for the white fog from the pet preform?
The preform of the mineral water bottle is polyester resin, which is relatively high in usage, but it is a kind of good material that is tasteless and tasteless in recent years. As an import and edible device, food, as a large customer, is willing to let its environment be harmed, but the food has been kept in the air for too long, and finally found that it has deteriorated. The advantages of disease prevention, in recent years, PET can resist ultraviolet rays, and has anti-water, oil, and air detoxification, all of which are not good, but
What should be paid attention to when PET preforms are injected? (two)
(5) Injection speed Generally, the injection speed should be fast to avoid premature coagulation during injection. But too fast, the high shear rate makes the material brittle. The injection is generally completed within 4 seconds. (6) Back pressure The lower the better to avoid wear and tear. Generally not more than 100bar. Generally do not need to use.
What should be paid attention to when PET preforms are injected? (one)
(1) Disposal of plastics Because PET macromolecules contain lipid groups and have a certain degree of hydrophilicity, the pellets are more sensitive to water at high temperatures. When the water content exceeds the limit, the molecular weight of PET will decrease during processing, and the finished product will become colored and brittle. Therefore, it is necessary to dry the material before processing. The drying temperature is 150°C for more than 4 hours, generally 170°C for 3-4 ho
Key factors for selecting PET bottle preform injection mold
PET bottles have strong applicability and are widely used in daily necessities, daily chemical packaging and other fields. From mold processing to machinery and equipment, they are very picky. It is easy to get started, but difficult to do well. PET preforms are reprocessed by blow molding to form plastic bottles, including bottles used for packaging cosmetics, medicines, beverages, mineral water, reagents, etc. Plastic processing to form PET plastic bottles. The key factors fo
What should be paid attention to when purchasing plastic preforms?
1. The wall thickness of the plastic preform is uniform, because this is the part that attracts people's attention. The printing surface should be flat and continuous; if the liquid plastic preform contains handles, grooves, ribs and other structures; 2. The printing surface of the plastic preform should be designed so as not to cause inconvenience to the printing operation. The label surface should be flat. A "frame" can be planned on the surface of the plastic preform to accu
What are the uses of pet preforms?
Although pet preforms are not commonly seen, they are widely used. Commonly seen plastic bottles and this product are closely related. It can be said that without this product, many things that are currently used cannot work normally. use. So what are the functional features of pet preforms? 1. The functional characteristics of pet preforms are that the material is tough, but the toughness is relatively good, so the manufacturing process is more convenient and can be shaped bet
How to choose the raw material of plastic preform? Pay attention to these things when purchasing!
The plastic preform is the initial form of the plastic bottle. It takes many steps to process it into a complete material. Before making it, you must first select its raw materials. Its raw materials include polyethylene, polyamide, And several materials such as polyoxymethylene. When you buy it, you should also pay attention to choose according to your own requirements. Next, the editor will bring you a detailed introduction to the selection of raw materials for plastic preforms and the precautions when purchasing them.
PET preforms have high efficiency and save manpower
PET preform has low investment, high efficiency, saves manpower, fully automatic operation, wide versatility, suitable for all types of manipulators, and can be used for most preforms. Functions of bottle automatic water cutting machine: it includes horizontal mechanism, material moving mechanism, water cutting mechanism, feeding fixture, rack and waste hopper. The material transfer organization and the nozzle organization are driven by the horizontal organization, and the horizontal organization is driven by a motor. After the horizontal organiz
What should be paid attention to when PET preforms are injected?
There are several aspects to pay attention to when PET preforms are injected: 1. Plastic processing Since PET macromolecules contain lipid groups and have a certain degree of hydrophilicity, pellets are sensitive to water at high temperatures. When the water content exceeds the limit, the molecular weight of PET will decrease during processing, and the product will become colored and brittle. Therefore, the material must be
What are the methods for measuring the wall thickness of plastic preforms?
1. Contact measurement method. This kind of wall thickness test method is a widely used wall thickness measurement method. The principle is: put the measuring support rod into the bottle, use its dart head to touch the measuring part, and place the measuring head of the capacitive sensor on the corresponding part outside the body of the plastic bottle to contact the bottle body and correspond to the dart head. Take the thickness reading on the gauge. The accessories of the wall
PET preforms can be seen everywhere
In recent years, social and economic development has become more and more rapid, and PET preforms have been used more and more in daily life, just like in this hot summer, people drink black tea, Sprite or Coke, etc., but you are drinking While drinking, have you ever thought about where this beverage bottle comes from and how to produce these various bottles? Today I will explain to you the origin of these bottles. These beverage bottles are inseparable from plastic preforms. The bottle material of black tea is mainly made of PET. The products p
How to improve the heat resistance of the preform?
In the process of producing plastic bottles, the process control of the preform is very strict. If you want the quality of the bottle to be good, you must improve its heat resistance, mainly based on the injection cooling time control, choosing a reasonable design, and strictly It is carried out in several aspects such as controlling injection and casting, circulating blowing technology, and the application of blowing mold temperature adjustment technology. 1. Preform injection
How to maintain the preform mold daily
1. Ensure stable product quality To ensure that the plastic mold can produce qualified plastic parts stably and reliably, it is necessary to keep the PET mold in good working condition. When the PET injection mold is working, it is impossible to always be in good working condition. There will always be one or another situation, such as the guide post (select MFGrease VG CC series products for guide post lubrication), the action block caused by the lack of oil in the guide sleeve, and t
What is the reason for the white fog on the PET bottle embryo?
How much is the preform of Water Bottle Perform? Food is imported and eaten as a device, and as a large customer, it is willing to be harmed by its environment. Food has been kept in the air for too long, and it is finally discovered that it has deteriorated. The device using Water preform material is used for underwriting, and the disease will be prevented. Advantages, in recent years, PET can be anti-ultraviolet, anti-water, oil, and air detoxification, all of which are not good, but its permeability to gas or water vapor is relatively low.
Aspects that need attention in plastic preform injection
1. Plastic treatment: Plastic preforms are sensitive to water at high temperatures because PET macromolecules contain lipid groups and have a certain degree of hydrophilicity. When the moisture content is exceeded, the molecular weight of PET is reduced during processing, and the product is colored. become vulnerable. In this case, the material must be dried before processing at 150°C for more than 4 hours, usually at 170°C for 3-4 hours. Airborne methods can be used to verify that the material is completely dry. The proportion of recycled mate
What are the elements of plastic preform molding?
The main elements of plastic preform molding include plastic processing, selection of injection molding machines, design of molds and gates, etc. Only by properly handling these elements can we produce high-quality products. However, sometimes there will be some quality defects, such as yellowing of the preform, excessive change rate of wall thickness, etc., which need to be discovered and solved in time to avoid affecting its normal use. The following is an introduction to the elements of plastic preform molding and common quality defects. Let's
What are the common quality defects of plastic preforms?
1. The AA value is too high There are quality problems in raw material performance → check the quality of raw materials before entering the warehouse, the drying effect is poor → check the operation of the dryer (such as: dew point, drying temperature/time), the heating temperature of the barrel is too high → try to reduce the temperature under the premise of ensuring quality reduce.
Yecheng takes you to understand the production of bottle embryos
Friends who understand chemical chemistry know that the production of preforms is obviously more difficult than forming large bottles. Because the main use of preforms is now experimental supplies, the quality of the preforms directly affects the success rate of the experiment. At the same time, the ability to produce high-quality preforms is also a manifestation of the strength of the company. Customized Pet Preform is the prototype before the plastic bottle is formed. Its tub
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.