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2023-04-27 Are Plastic Bags Polyethylene Or Polypropylene? Plastic polymailer bags are mainly divided into two types: polyethylene bags and polypropylene bags. Polyethylene bags refer to plastic bags made of polyethylene as the main raw material. Polyethylene bags have good flexibility and transparency, and have good tensile strength, tear resistance and abrasion resistance. Polyethylene bags also have good water resistance and chemical stability, and can be used in different environments. Polyethylene bags are usually used in supermarket shopping bags, garbage bags, packaging bags and other fields. Polypropylene bags refer to plastic bags made of polypropylene as the main raw material. Polypropylene bags have excellent heat and chemical resistance for extra durability. In addition, polypropylene bags also have excellent moisture resistance and air permeability, which can effectively protect the packaging. Polypropylene bags are usually used in food packaging bags, cosmetic packaging bags, pharmaceutical packaging bags and other fields. Therefore, polyethylene bags and polypropylene bags have their own characteristics, and different plastic bags can be selected according to different needs. In addition, the production process of polyethylene bags and polypropylene bags is also different. Polyethylene bags generally adopt the extrusion molding process, that is, the heated polyethylene material is extruded through an extruder, and then processed by cooling, cutting, etc. to make Poly Mailers. Polypropylene bags can be made into different types of bags by using different processes such as blow molding

2023-04-20 Biodegradable Mailing Bags Degradable Classification With the improvement of people's awareness of environmental protection and awareness of plastic pollution, more and more attention has been paid to degradable plastic bags. Degradable plastic bag is a kind of plastic bag that can be degraded rapidly in the natural environment. It can effectively reduce the pollution of plastic to the environment, and its production cost is relatively low, so it has a wide application prospect. At present, degradable plastic bags are mainly divided into two types: biodegradable plastic bags and photodegradable plastic bags. Biodegradable plastic bags refer to Biodegradable mailing bags made of biodegradable polymer materials. This kind of plastic bag is usually made of natural polymer materials such as plant starch, cellulose, polylactic acid, etc., and has good biodegradability and environmental adaptability. The degradation process of biodegradable plastic bags is to decompose plastics into natural components such as carbon dioxide, water, and biomass through the action of microorganisms in the natural environment. The advantage of this plastic bag is that it will not pollute the environment after degradation, and has a positive effect on protecting the ecological environment. However, the disadvantages of biodegradable plastic bags are that the production cost is relatively high, the production technology is not mature, and the service life is relatively short, so they cannot completely replace traditional plastic bags. Photodrop Biodegradable Polymailers refer to plastic bags made of photodegradable plastic. Photodegradable plastic is a plastic that can be rapidly degraded under the action of sunlight. Its main components are polyethylene and additives. Under the action of sunlight, photodegradable plastic bags will gradually oxidize and decompose, and finally decompose into small molecular substan

2023-04-14 How To Choose The Right Courier Bag For Your Product? With the rapid development of e-commerce, more and more products are sold on online platforms. We know that when our e-commerce friends deliver goods, no matter whether the product has inner packaging or not, we will put a courier bag on our product and then ship it. So how to choose a courier bag? How to choose a courier bag suitable for your product while saving costs? Below I will introduce to you a few key points for purchasing courier bags. Pay attention to the following points when purchasing: 1. The toughness of the material of Poly Mailers itself, as long as it is all PE material or new material, the toughness is very strong, and it is durable and wear-resistant! Ability to safely pack products in express packaging. 2. The thickness of the courier bag, the density of PE material and new material are fixed, and the product size is also selected at the time of purchase, so the weight determines the thickness of the courier bag you choose. Generally speaking, the thickness is between 11-15 silk. The thickness of the courier bag can fully meet the requirements of the courier. The thicker the thickness, the higher the cost. Choose the most suitable courier bag according to the weight of your goods. Of course, if the inner packaging of the product is strong enough, you should choose a thinner one from the perspective of saving costs and reducing the weight of express delivery. For example, the courier bags produced by our Yubang Packaging Products Co., Ltd. have a thickness of 4-7 wires. It's lighter and weighs less. But there is no difference in toughness and edge firmness and destructiveness.

2023-04-08 What Are The Classifications Of Degradable Plastic Bags? Degradable plastic bags refer to plastic bags that have certain degradable properties and can be decomposed, degraded or biodegraded relatively quickly in the natural environment. Compared with traditional plastic bags, degradable plastic bags can be decomposed by microorganisms into natural substances such as water and carbon dioxide after being affected by the natural environment, thereby reducing environmental pollution. At present, the common Biodegradable mailing bags on the market mainly include starch-based degradable plastic bags, polylactic acid degradable plastic bags, PBS degradable plastic bags, etc. Although these degradable plastic bags are different in degradability, they all have good degradability and can effectively reduce environmental pollution. It should be noted that although degradable plastic bags have degradable properties, they also need to be decomposed under the correct conditions. If these bags are discarded or dumped randomly, they may stay in conditions that are not conducive to decomposition for a long time and still cause pollution to the environment. Therefore, proper disposal and recycling of biodegradable plastic bags is also very important. What are the classifications of Biodegradable Polymailers? 1. Photodegradable plastic bags, in which a photosensitizer is added to the plastic to gradually decompose the plastic under sunlight. It belongs to an earlier generation of degradable plastics, and its disadvantage is that the degradation time is difficult to pr

2023-03-24 Why Do Bubble Mailer Bags Have Black Spots? The full steam beads of Bubble Mailer Bags can withstand quite strong impact from all directions, and to a large extent resist the damage of vibration and other external forces to the product, so that your product can be cared for carefully. In the recycled materials of bubble bags, manufacturers will encounter many difficult problems to solve, so today we will give an example. As we all know, some recycled materials are imported from abroad, such as Japan, the United States, South Korea and so on. There is a bubble film that is hard to see with the naked eye. The film had good clarity and finish, but a few black spots appeared as the product was conveyed from the car to the extruder. In this process, the temperature control is also appropriate, and no other impurities are mixed. Why do black spots like this appear? The reason is that this film is coated with an anti-UV coating during the production process due to packaging needs. This coating breaks down at about 120 degrees. After the film is plasticized, the coating will burn and turn gray at 150-160 degrees. It's the black dot on the top. This leads to a reduction in the price of such films, resulting in lost production. Therefore, some manufacturers must pay attention to this bubble film when purchasing, so as to avoid unnecessary losses. Producing Envelope Mailers also requires attention. Bubble bags Blue, pink and other anti-static series anti-static bubble bags can well eliminate the static electricity generated by vibration and friction, avoid static electricity damage to pro

2023-03-17 Do You Really Understand The Application Of Courier Bags? Today, policies restricting the use of plastic bags are being implemented around the world. The courier bag is made of PE, of course it is also included. After a series of policies and publicity, in the concept instilled by everyone, express bags seem to be called "environmental destroyers", and the hazards of plastic express bags are well known to everyone. It takes hundreds of years to degrade. "Plastic express bags are really annoying, but everyone should continue to use them, such as e-commerce, express logistics and other industries are indispensable. courier bag Judging from this phenomenon, plastic express bags do not seem to be that bad. At least from another perspective, they are more environmentally friendly than those energy-intensive environmentally friendly packaging. Just because the production and use of plastic express bags is much greater than that of paper bags and non-woven bags, the impact is much greater. If it is the same amount of use, plastic express bags should be respected, but this obviously does not conform to the current actual situation. As far as this matter is concerned, plastic express bags do have hazards that cannot be ignored, but in comparison, it cannot be said that they are not completely environmentally friendly, because using other environmentally friendly packaging requires more materials and power. There is nothing wrong with the plastic express bag itself, but everyone's attitude towards it has changed its fate. In fact, as long as you use plastic express bags reasonably, do not waste extravagantly, do not overpack, and do not put every plastic express bag away. As a one-time use, the used plastic express bags are collected and sorted, which not only avoids the waste of resources, but also improves and protects the environment to a ce

2023-03-11 About Poly Mailers Poly Mailers are lightweight, flexible mailers made of polyethylene material. They are widely used to mail various items such as clothes, books, CDs, DVDs, household items, etc. The advantage of Poly Mailers is that they are lightweight, waterproof, tear-resistant, and anti-static, which makes them an ideal mailing option. Advantage 1. Lightweight: Very lightweight, which makes them an affordable mailing option. Since they don't add weight to your mailed items, this means lower postage costs too. 2. Waterproof: are waterproof which makes them an excellent mailing option. They protect mailed items from water, both in transit and in the mail. 3. Tear-resistant: very strong, which makes them able to withstand the challenges of transportation. They are less prone to tearing, which means mail items are better protected. 4. Anti-static: Also anti-static, which means they can protect mail items from static electricity. This is especially important for some electronic products. 5. Multifunctional: It is very suitable for mailing various items. Whether it is clothes, books, CDs, DVDs, household items or other items, they can provide excellent protection. Use of Poly Mailers Poly Mailers is very easy to use. They can be sealed by hand or with tape. When using Poly Mailers, make sure the mailing item fits the

2023-03-04 How To Distinguish Fully Biodegradable Plastic Shopping Bags How to distinguish fully biodegradable plastic shopping bags from ordinary plastic shopping bags Plastic bags are widely used, like Bubble mailer bags. However, recycling is very limited, so plastic bag garbage can be seen everywhere, and the pollution to the environment is a serious problem that cannot be ignored. Plastic production has soared from 2 million tons per year in 1950 to 348 million tons in 2017, making it a $522.6 billion global industry, with capacity expected to double by 2040, according to the United Nations Environment Programme. But the environmental pressure brought about by this is also conceivable. Fully biodegradable plastic bags have become the favorite of various countries and environmental protection organizations in line with the times, and the market has gradually been vigorously promoted. However, as consumers, how do we distinguish between fully biodegradable bags and ordinary plastic bags? I think we should make the distinction in the following points: One is based on the feel and smell. Currently, the most commonly used plastic bag products on the market are shopping bags. The material of fully biodegradable plastic shopping bags is relatively soft. Basically, the primary color of the bag is white. Ordinary plastic shopping bags are hard/brittle, and there will be a crisp sound when kneading, and there is no smell or a slight plastic smell. Second, look at the printed logo. Looking at the graphic logo, the "Guidelines for the

2023-02-24 Advantages and uses of Custom Printed Poly Mailers Custom Printed Poly Mailers are a very popular mailer packaging that is not only convenient but can also be used for branding. This mailer package is usually made of polyethylene material, which is very waterproof and tear-resistant. In this article, we will introduce the advantages and uses of Custom Printed Poly Mailers. One of the biggest advantages is that it can be custom printed. Printing can include company logos, logos, contact details, product information, and more. This printing can help customers maintain a consistent brand image during logistics and delivery, and provide customers with a better shopping experience. This is one of the reasons why it is widely used on e-commerce platforms. It is usually made of polyethylene material, which is very waterproof and tear-resistant. It protects goods from the external environment, such as rain, dust and humidity. This material also prevents damage or loss in the mail. Can be customized in different sizes and shapes to suit different sized packages. This makes it ideal for a variety of scenarios such as e-commerce, marketing campaigns, and exhibition events. Some are made from recycled materials so they can be reused. This can help reduce waste and environmental pollution, while also reducing mailing costs. Can be applied to various scenarios. Printed Poly Mailers are one of the most popular packaging options in eCommerce. When consumers receive a custom Plain Poly Mailers, they will be excited and satisfied with the brand and product b

2023-02-18 How To Choose The Right Poly Mailers For Your Product? With the rapid development of e-commerce, more and more products are sold on online platforms. We know that when our e-commerce friends deliver goods, we will put a courier bag on our products and ship them regardless of whether the products have inner packaging or not. So how to choose a courier bag? How to choose the right Plain Poly Mailers for your product while saving cost? Below I will introduce to you a few key points for purchasing courier bags. Pay attention to the following points when purchasing: 1. The toughness of the material of the courier bag itself, as long as it is all PE material or new material, the toughness is very strong, and it is durable and wear-resistant! Ability to safely pack products in express packaging. 2. The thickness of the courier bag, the density of PE material and new material are fixed, and the product size is also selected at the time of purchase, so the weight determines the thickness of the courier bag you choose. Generally speaking, the thickness is between 11-15 silk. The thickness of the courier bag can fully meet the requirements of the courier. The thicker the thickness, the higher the cost. Choose the most suitable courier bag according to the weight of your goods. Of course, if the inner packaging of the product is strong enough, you should choose a thinner one from the perspective of saving costs and reducing the weight of express delivery. For example, the courier bags produced by our Yubang Packaging Products Co., Ltd. have a thickness of 4-7 wires. It's lighter and we

2022-12-01 Guangzhou Plastic Polymailer Courier Mailing bags Exhibition #Guangzhou Plastic Polymailer Courier Mailing bags Exhibition Hi friend,Hi Friend, welcome to Dongguan Pasike Packaigng Co., Ltd. Poly Bag is a kind of plastic bags used by express industry. It's made of polyethylene film which is water, puncture and tear resistant. White outer surface and a gray interior lining to provide excellent opacity. Self-seal lip and tape provides quick and easy closure. Returnable poly bag is available in variety of sizes. These bags are used widely. Graceful Mailers is the ultimate destination for all your shipping needs. With a mission to elevate your packaging and make it stand out, Graceful Mailers is here for you! We offer high quality shipping supplies at an affordable price, with designs that will suit any occasion or style! What are you waiting for? With a vast array of choices and affordable prices, t