China Paper Doilies

We can provide samples for free

Send your needs: market@cnpaperdoilies.com

Deruna Blog

Winding film use format

Winding film use format

Winding film use format One of the winding film use format is sealing This is similar to shrink wrap, where the film is wrapped all around and then two hot handles seal the two ends of the film together. This is a relatively old use of film wrap, which has led to the development of more. One of the winding film use format is full frame Wrap film this to be wide to the winding film width can cover, some shape rules, there are used, film thickness of 17 ~ 35 m. One of the winding film use format is manual Wrap film this is a relatively simple in the full film, the film can be clamped on a frame, can also be held in the hand, on, or turn the film to. It is mainly used for breaking and then and ordinary. This kind of slow speed, suitable film thickness of 15 ~ 20 m. One of the winding film use format is stretch film winding machine Stretch and pull film winding machine which is more common and widespread machinery for winding film, on or winding film, the film is fixed on the base and can

Read More »
Characteristics of winding film

Characteristics of winding film

Characteristics of winding film Unitization: This is one of the characteristics of winding film packaging. With the help of the super winding force and retraction of the film. One of the characteristics of winding film is unitization  This is one of the characteristics of winding film.This is one of the characteristics of winding film packaging. With the help of the super winding force and retraction of the film. One of the characteristics of winding film is primary protection One of the characteristics of winding film is primary protection. Primary protection provides the surface protection of the product, forming a very light and protective appearance around the product, so as to achieve the purpose of dust, oil, moisture, water and theft prevention. It is particularly important that the wrapping film packaging makes the packaged goods bear the force evenly to avoid damage to the goods caused by uneven stress, which is impossible for the traditional packaging methods (

Read More »
Forms of winding film use

Wrap-around film in a variety of applications

Forms and technological process of winding film use Core tips: high transparency facilitates the identification of goods; high longitudinal elongation facilitates pre-stretching and saves material consumption; good puncture properties and transverse tear strength allow the film to encounter sharp corners or edges of goods without breaking at high stretching multipliers; high yield point makes the packaged goods tighter. One of the forms of winding film use is sealed packaging This type of packaging is similar to shrink wrap packaging, where the film is wrapped around the pallet to encase it all, and then two heat grippers heat seal the film together at both ends. This was the earliest form of wrap-around film used, and this led to the development of many more forms of packaging One of the forms of winding film use is full width packaging This type of packaging requires a film width wide enough to cover the pallet, the shape of the pallet is regular, so the use of it has its, suitable f

Read More »
Wrap-around Film Applications

Where to use of a stretch film

Where to use of a stretch film Where to use of a stretch film PE winding film is an industrial product with high tensile strength, high elongation, good self-viscosity and high transparency. It can be widely used for centralized packaging of various commodities. PE winding film is mainly extruded from several different grades of polyethylene resin. It has the characteristics of puncture resistance, super tension and high performance. It can wrap goods stacked on pallets, making them more stable, clean and waterproof. Widely used in export, paper making, hardware, plastic chemical, building materials, food, medicine and other industries. Wuxi winding film is widely used, mainly used for drawing bar, wire, wire, pipe and other linear hard to process objects, suitable for drawing steel, copper, tungsten, molybdenum and other metal and alloy materials. In addition, the high-precision wire used in electronic devices, radar, TELEVISION, instruments and aerospace, as well as the commonly used

Read More »
Winding film use format

stretch film wide use

stretch film wide use stretch film wide use Wide application of stretch film Winding film, also known as stretch winding film, stretch film, heat shrinkable film. Wuxi winding film has the characteristics of high transparency, good longitudinal elongation, high yield point, high transverse tearing strength, good puncture resistance, good self-adhesive, high shrinkage rate, compact packaging, no loosening and so on. Wuxi winding film is widely used in chemical raw materials, fertilizer, food, mechanical and electrical products, textile products and other single or pallet packaging. Wuxi tape Sealed packaging This packaging is similar to shrink film packaging. The tray is wrapped in the tray and then the ends of the film are thermally sealed together by two thermal grippers. This was the earliest form of use of wound film, leading to the development of more packaging forms. Manual packing This packing method is one of the most simple wound film packaging. The winding film is mounted on a

Read More »
Factors affect surface tension of stretch film

Factors affect surface tension of stretch film

Factors affect surface tension of stretch film Factors affect surface tension of stretch film The surface tension of the film is directly related to the surface free energy of the film, which is determined by the molecular structure of the film itself. Therefore, there are many factors affecting the surface tension of the wound film. The main contents are as follows: 1. For non-polar polymers, the surface free energy and surface wet tension of the winding film are relatively low, generally around 30dyn/cm. Theoretically speaking, if the surface tension of the object is less than 33dyn/cm, ordinary ink or adhesive will not adhere firmly, so it is necessary to carry out surface treatment; 2.Polyester (PET, PBT, PEN, PETG) is a polar polymer with high surface free energy and surface wet tension in excess of 40 dyne/cm. However, in order to increase the adhesion between the vacuum aluminized layer and the BOPET film surface, surface treatment is required to further improve the surface wet

Read More »
What the role stretch film manufacturer playing

What the role stretch film manufacturer playing

What the role stretch film manufacturer playing Stretch film brings great convenience to logistics industry. Let’s go through the winding film manufacturer to introduce us to its functions What the role stretch film manufacturer playing First of all, stretch wound film can maintain goods, reduce circulation costs and packaging efficiency, but also facilitate transportation and improve transportation capacity. Secondly, it also facilitates the storage of materials. It is very convenient to transfer and unload materials in and out of the warehouse, which provides convenient conditions for storage operation. Third, it can avoid damage and deformation of materials and reduce the impact of transportation and other logistics links. Fourth, it can also avoid chemical changes in the material. Material packaging has the function of isolating moisture, moisture, light and various harmful gases in the air to a certain extent.

Read More »
Who is the trusted manufacturer of stretch film

Who is the trusted manufacturer of stretch film

Who is the trusted manufacturer of stretch film Who is the trusted manufacturer of stretch film In our daily life, stretch wrapping film is also very common. Its shadow can be seen in the transportation of products from all walks of life, especially in the transportation of major products. It is the most widely used stretch film. But now there are also many manufacturers’ stretch winding film is processed from poor quality materials, the viscosity is not well controlled, it is easy to drop the glue, and even pollute the product surface seriously. Shandong Druna International Trade Co., Ltd. is a manufacturer integrating production, sales and service. Its main products are stretch film, packaging film, winding film and other packaging materials. All products have passed the national environmental standards. Packaging machines, straps and foam film are selling well in the consumer market. Founded in 2000, Shandong Druna International Trade Co., Ltd. is an innovator and manufacturer

Read More »
Stretch Film Applications and Markets

Stretch film applications and a huge market

Stretch film applications and a huge market Stretch Film Applications and Markets,application of winding film Stretch Film Applications and Markets.JAYOSPK stretch film packaging is cost-effective, transparent in appearance, double-sided adhesive, non-toxic, tasteless and safe, easy to use, high efficiency, high buffer strength, good retraction, puncture resistance, tear resistance, longitudinal to transverse stretch ratio of 400% or more. Stretch Film Applications and Markets,wrap-around film is widely used in Stretch Film Applications and Markets.Wrapping film can be widely used for packaging of foreign trade export, food and beverage, printing and papermaking, refractory materials, wood flooring, cosmetics, handicrafts, non-woven fabrics, carpets, ceramic electromechanical products, computers, communication products, books and magazines, electronic components, household appliances, chemical raw and auxiliary materials, etc.materials, steel, profiles, wire, aluminum alloy profiles, e

Read More »
How to remain stretch film's characteristics

How to remain stretch film’s characteristics

How to remain stretch film’s characteristics When people in packaging companies prepare inventory to meet demand, they inevitably face the question of what environment to place the stretch film in in order to maintain the quality of the winding film without affecting future use. How to remain stretch film’s characteristics First, the wound film needs to be placed in an upright position, not horizontally. Wound film is mainly used for wound packaging, which has the advantages of high vertical and horizontal tensile ratio, high viscosity, retraction force and good penetration resistance, all of which are achieved on the premise of not damaging the film. Therefore, the winding film should be placed vertically and should not be squeezed or scratched to maintain the original advantages of the winding film. Another important factor in the storage of wound film is the ambient temperature. The viscosity of wound film is affected by temperature. It is strong at high temperatures, bu

Read More »
Extensive use of stretch film

Extensive use of stretch film and new automatic production line

Extensive use of stretch film and new automatic production line Stretch film is widely used. Wrap film, also known as stretch wrap film, stretch film, heat shrink film. Extensive use of stretch film.Wuxi wrap film has the characteristics of high transparency, good longitudinal elongation, high yield point, high transverse tear strength, good puncture resistance, good self-adhesion, high retraction rate, compact packaging and no loosening. Wuxi winding film is widely used for packaging of single products or pallets of chemical materials, fertilizers, food, electromechanical products, light textile products, etc. Wuxi Adhesive Tape. Extensive use of stretch film,sealed packaging Extensive use of stretch film.This packaging is similar to shrink wrap packaging. It is wrapped around a pallet and then the ends of the film are heat sealed by two heat clamps. This was the earliest form of wrap-around film use, and more forms of packaging have evolved from there. Extensive use of stretch film,h

Read More »
Precautions for stretching film

Precautions when customizing stretch film

Precautions when customizing stretch film The color of the wound film is mostly transparent Precautions for stretching film.The winding film is generally used for the packaging of goods, and the common winding film color is mostly transparent. In fact, due to actual needs, many customers will go to the manufacturer to make winding films of various colors. Precautions for stretching film,Wuxi Jiayou small series refers to several problems that should be paid attention to when making custom winding film Precautions for stretching film.When selecting a thickness, you must select a thicker thickness. In general, 22-23mic is recommended. Why? This is because the raw materials of the winding film are brand-new materials, and the physical properties of PE are transparent. If it is too thin, the color is not obvious after stretching! Precautions for stretching film.Quality can not be missed and perfect! The only reason why the film color is different from the raw material color is that the fil

Read More »