Cast stretch films processing equipment battenfeld gloucesters complete extrusion systems guarantee high quality melt feeding the. Cast stretch wrap as the name of the film suggests, the process to produce it is called the cast extrusion process. Its uses, benefits and waste management options uses, waste. These differences also make a big impact on the usability and price of the film. Approximately 2030% of stretch films manufactured today are blown.
This is a slower process but provides for higher quality in all the areas listed below. Cast films traditionally offer better tear strength which results in the prevention of tear propagation. With the stateofart infrastructure facility and technological agility, we manufacture multilayer cast cling films from the coextruded film that is widely preferred for the purposes of bundle over wrap and for the process of stretch wrapping the pallets. Wrap tite is the only manufacturer in the country which extrudes and converts stretch film allowing it to customize as well as provide very competitive prices. They supply top quality stretch film with their own brand names or for oem, odm, custommade and contract manufacturing services. The cast process usually produces superior quality stretch film with more. There are two types of manufacturing process for stretch film, cast and blown.
Our opinion is that the cast process generally produces a stretch film with characteristics superior to that of a stretch film made by a blown process. The cast process usually produces superior quality stretch film with more uniform gauge, and more consistent cling. Improvements can include using a better film for your. In general, there are two main types of film that are differentiated by the process of manufacturing. Stretch wrap film can be produced in both blown and cast formats for hand and machine applications. Cast stretch film cast film production involves a different process. In this article, were going to be focusing on the automation of stretch film in comparison to wrapping pallets by hand. The elastic recovery keeps the items tightly bound. We wanted to share information about the stretch film conversion process to help potential stretch film buyers in their purchase.
As a manufacturer of machine stretch film we integrate all our expert knowledge and our customers requirements into the production and the advancement of our stretch films. Extrusion is the manufacturing of stretch film and a variety of other flexible plastic products. Buy your machine grade stretch film from us and well save you money. Ever wondered how they put the stretch into stretch film. Castfilm lines are being engineered to allow production of thinner films at higherthanever winding speeds up to 2300 ftmin or 700 mmin. Note that they may not actually be cold, but rather are much cooler than the semimolten plastic. In contrast, shrink wrap is applied loosely around an item and shrinks tightly with heat. Machine stretch film made by the manufacturer duo plast. Visit our blog for further details about the extrusion process. Stretch film market 2020 industry size, share, growth. More details of these and other unitizing features. This attribute reduces the amount of reflection under warehouse lighting, which allows easier product scanning and identification. Add 5 stateoftheart manufacturing facilities across north america with some of the most advanced.
The machine stretch films segment is expected to drive the global market in terms of cagr whereas as per value and volumetric analysis, the hand stretch films are projected to dominate the market. Cast stretch film, like blown stretch film, is created using an extensive manufacturing process known as cast extrusion. Our wrap it right program analyses your stretch wrap usage and finds ways to improve efficiency and reduce waste. It is a versatile packaging material that offers an optimized film type for virtually any packaging solution. Making plastic wrap 7 plastic wrap is made by extrusion. Refers to the two types of extrusion processes used to manufacture stretch film. Cast stretch wrap has higher levels of gloss, which is the result of the quicker cooling process as well as the types of resin used in the manufacturing. Cast stretch wrapalso called cast stretch wrap, is manufactured using a cast extrusion process. Machine wrap stretch film machine wrap stretch film used in conjunction with a stretch wrapping machine that applies the stretch film to the load using parameters set by the operator. Some films have onesided cling and others have twosided cling.
Manufacturer of stretch film making machine cast film making plant, stretch film machine, stretch film line offered by mangalmurti polymers private limited, ahmedabad, gujarat. Save on costs by using the correct type of stretch film. The goal for choosing the best stretch film is to find one that fits your companys specific need without paying for unneeded properties. True gauged stretch film for years, companies have used true gauged stretcfilm, a product that offers an enormous amount of stretch, cling, and strength. Many people purchasing stretch film are not aware of the stretch film conversion process, which is perfectly fine. The philosophy behind manufacturing stretch film via the cast process has increased because it is the cheapest possible method of production more output per man hour. The film is then quickly cooled by a water filled chill roller and slit to size. Cast stretch filma stretch film derived from the cast extrusion process. A demanding process requiring reliable and efficient equipment to generate profit end product applications. Lets look at the difference in the manufacturing process.
The primary difference between these two types of stretch wrap film is the process in which they are created and manufactured. Blown stretch wrapalso referred to as blown stretch wrap, is manufactured using the blown extrusion process. Call our packaging experts today to find out what machine grade pallet wrap is. Casting of film provides more uniform gauge, better cling, and greater percentages of stretch than blown film. This is because in many cases the final application of the plastic film demands a performance that cannot be achieved if the film is composed of only one material. The physical elongation and thinning of stretch film between two. The degree of draw and orientation is significantly lower in the cast film process than in the blown film process. How plastic wrap is made material, manufacture, making. We see the world of stretch packaging in a unique way that is focused on the value we bring to our customers through our differentiated products, professional customer service representatives, and the most experienced sales pros in the industry. Our capacity will increase to over 150 million lbs. A wide variety of stretch film machine price options are available to you, such as screw design, application, and plastic processed. The average gauge of hand wrap has gone from 25 microns to 10 microns and the average gauge for machine wrap and power prestretch has gone from 35 to 15. The process is more complex than the one used to make cast stretch film, causing this type of wrap to become more expensive. Stretch film or stretch wrap is a high elongation, polyethylene based film that is used to unitize and protect products during storage and shipment, and highly stretchable plastic film that is.
Hybridmultilayer stretch film is commonly used in place of lighter gauge film. While a great deal of attention is directed toward the manufacturing and production of a product, there are numerous improvements that can be made within its packaging as well. Jul 10, 2019 we wanted to share information about the stretch film conversion process to help potential stretch film buyers in their purchase. Stretch wrap or stretch film is a highly stretchable plastic film that is wrapped around items. The film is then drawn through tension rollers to the slitting and winding stations.
Please note this is intended to be informative and not to specify one method or material. Achieving cling in stretch film has been an evolutionary process that began with the use of polyisobutylene pib. Unlike the blown film process, the cooling of the film with cast extrusion is highly efficient. Stretch film offered by our company is known for its effective use in various industries.
The film is stretched during the manufacturing process prior to being wound up in rolls for stretch film application. The film constricts with the movement of the load and holds the cargo in place. Stretch film manufacturering video shows the process of the strtch wrap film. The entire group manufacturing, sales, and marketingis singularly committed to the process, the products, and continuous improvements, with the focus being on.
In this process granules of plastic are heated until they melt at about 212f 100c for polyethylene and about 392f 200c for pvc and pvdc. The film is then relaxed to substantially release all of the. Clingallows the film to stick to itself and not the product. The manufacturing process thereof is carried out by cast coextrusion trilayer system. Stretch films production stretch films can be produced by a blown or cast film extrusion process. Less manufacturing costs allow cast stretch film to be the more widely used stretch film. The other types of packaging in which film is found are stretch and shrink wrap. Castfilm lines are being engineered to allow production of thinner films. Nov 16, 2018 often in the wind process the edges are slit off and rolls are slit width and wound in line as the film is extruded. Achieving cling in stretch film has been an evolutionary process that. This is a horizontal process as shown in the schematic. Dec 20, 2019 press release stretch film market 2020 industry size, share, growth factors, top leaders, development strategy, future trends, historical analysis, competitive landscape and regional forecast 2025.
So our vision is to offer 24hour information service on website introducing the knowledge of stretch film, pe film, stretch hood film, bopp film in packaging. Hand wrapping using prestretched film rolls doesnt require an operator to pull as much as a traditional stretch film an key reason why the majority of prestretched film is applied using hand wrap dispensers. The extrusion process requires the melting and forming of the. Our stretch films are produced by patented manufacturing methods and in.
Often in the wind process the edges are slit off and rolls are slit width and wound in line as the film is extruded. Cast film represents the other 7080% of stretch film manufacturing according to general industry estimates. The resemblances between the two packaging products stem from a similar manufacturing process for both. The highly interesting television show how its made has created an interest in learning more about how everyday items are made. Stretch film making machine cast film making plant. We are elated to manufacture this product with leading techniques and finest quality materials in accordance to meet set industrial norms. About 18% of these are plastic extruders, 0% are plastic welders, and 9% are other packaging machines. Cast films offer greater clarity and tear resistance. The molten resin is then fed over a chilled roller which rapidly cools and solidifies the film. The film is then relaxed to substantially release all of.
Visit the stretch film info page to view detailed info about cast stretch film. Lldpe stretch wrap cast film production in action youtube. There are many products we purchase and have no idea how they are made. Duo plast machine stretch film is characterized by high puncture and tear resistance and is available in various thicknesses and widths. Cling allows the film to stick to itself and not the product. As the name implies, stretch film or wrapping works because the material is stretched below its elastic limit and applied around multiple items. What you need to know to make worldclass stretch film. Packaging automation processes automation of stretch film. Dec 27, 2019 while a great deal of attention is directed toward the manufacturing and production of a product, there are numerous improvements that can be made within its packaging as well.
Continue reading for a simple guide to buying the best stretch wrap film for your specific facility. Applying stretch film is one of the most common and most secure methods of accomplishing this. It has more layers, is stiffer and has less tear resistance than micron stretch film. Xinhuida continuously enhances the technology, create new products and devoted to enhance the manufacturing technology of stretch film production equipment, promote the development of stretch film business. Understanding plastic film american chemistry council. This is desirable to allow the layers of stretch film applied to bond to the previous layers effectively creating a single wall of stretch film. It has shown audiences that there is a lot that goes into making things that are easily taken for granted, and that is perhaps what makes the show so fascinating. Cast stretch wrap also called cast stretch wrap, is manufactured using a cast extrusion process. Sep 25, 2015 what you need to know to make worldclass stretch film originally titled heres what you need to know to make worldclass stretch film advances in materials, feedblockdie technologies, and winding can help processors develop more sophisticated caststretch products. Blown stretch film is produced by blowing heated resins into a bubble. A couple of years ago we wrote a blog post about the stretch film extrusion. It is frequently used to unitize pallet loads but also may be used for bundling smaller items.
Offering a wide range of products and unparalleled ecofriendly solutions, we are a highly experienced and professional company. Stretch film, packaging film in high quality made by duo plast. In its natural state appears as a transparent material, but we get a stretch film of almost any color by coloring it during its manufacturing process, the most common being white, black and blue. Best stretch wrap a guide to buying stretch wrap film. Stretch film or stretch wrap is a high elongation, polyethylene based film that is used to unitize and protect products during storage and shipment, and highly stretchable plastic film that is wrapped around items. Machine grade stretch films are made to withstand the tension and stretch and hence always require highquality raw material and expertise during the manufacturing process. The cost of production is also higher due to the quantity that can be produced per hour. Since its inception in 1998, our stretch film division has seen tremendous growth in both the canadian and us markets. Cast stretch film cast stretch film also called cast film or cast wrap, is manufactured using the cast extrusion process.
May 21, 2016 stretch film manufacturering video shows the process of the strtch wrap film. We cater to all the plastics needs from plastic bags to stretch film. This allows for higher production line speeds resulting in higher production rates with superior optical properties of the product. A couple of years ago we wrote a blog post about the stretch film extrusion process.
Lldpe stretch wrapping cast film production at the china factory of union grade limited. Cling is a bonding agent added to stretch film to increase the stickiness quality of the film. Depending on the desired effect the bonding agent is applied to one or both sides. Among the manufacturing process, the cast stretch segment is anticipated to dominate the global market during the forecast period. Wrap parameters are set on the stretch wrapper to vary the amount and location of the stretch film to provide maximum load retention. Stretch wrapping film, cling film manufacturers in gujarat. The actual manufacturing process of stretch film is called extrusion.