Stretch Film For Machines
Machine wrapping film is a kind of packaging film, which can be used with large-scale wrapping packaging machines to implement the overall rapid packaging of various goods or pallets.
Description
Shandong Kaixiang Packaging Products Co., Ltd. is located in the civilized industrial city of Luzhong, China·Shandong Zouping Baijia Industrial Park. Covering an area of 20,000 square meters, Kaixiang is a large-scale packaging enterprise integrating production, sales and scientific research.
Our Advantages
Rich Experience
Our company has more than 10 years experience in producing and selling packaging products. We continue to increase investment in research and development, introduce advanced equipment, promote product transformation and upgrading, and provide domestic and foreign customers with a one-stop full industrial chain Packaging Solutions.
Professional Team
Our company has several scientific research personnel and an excellent technical team to provide customers with a full range of high-quality services, which are well received and favored by the majority of users and dealers.
Integrated Production Line
Our company has a number of internationally leading cast film production lines, specializing in the production and sales of PE stretch film, PE cling film, pasture film, and BOPP tape.
Broad Market
Our products are exported to more than a dozen provinces, municipalities, autonomous regions, Europe, America and Southeast Asia. Our company has become one of the top ten paper companies in the world--Sinar Mas Group APP China Co., Ltd.; the world's largest newsprint manufacturer with a single factory--Huatai Paper; the world's largest overall ring-rolled steel " The world's first ring "manufacturing enterprise--the high-quality supplier of Elite Heavy Industries and the American Kohler Company in China, and signed a long-term cooperation plan with them.
Our Related Products
Anti-static stretch film is a stretch film used to prevent static electricity from friction. Widely used in packaging film for electronics, electrical appliances, power transmission and transformation equipment. Avoid electrostatic damage to human body products and work sites. The anti-static film is made of imported anti-static agent added to the PE raw material to make the surface resistance reach 10~10Ω.
Polyethylene Stretch Film raw material is tasteless, odorless, non-toxic, dull surface, milky white waxy particles, insoluble in water and acid-base erosion, low water absorption, can maintain flexibility at low temperature, and high electrical insulation.
PE stretch wrap film made of new materials, a new generation of carefully developed formulas, and advanced automated production, the products have the characteristics of good transparency, strong tensile force and high viscosity.
Manual stretch film has high tensile strength, tear strength, good self-adhesion.Hand-wrap wrapping can make the packaged items evenly stressed, and can prevent uneven stress from causing damage to the items, which cannot be achieved by bundling, packaging, and tape and other packaging. In addition, the wrapping film packaging makes the article form a compact unit that does not occupy space as a whole, and the packaging of the article can improve the packaging efficiency and packaging grade.
Stretch protective film is a kind of transparent, flexible and strong, non-toxic and harmless soft polyethylene plastic film, which is very advantageous in performance. It has good low temperature resistance and can meet the needs of food refrigeration and freezing. Its heat sealing performance is much better than other similar materials. The stretch wrapping film is made of high-quality LLDPE as the base material, and is not mixed with high-quality tackifier.
Manual wrapping film only needs a hand-held unwinding rack with damping brake, and one person holds the wrapping wrap, which is light and flexible, and adapts to local conditions. The price is cheaper than the machine wrapping film, but its ductility is not as good as that of the machine film, the tensile force is smaller, and the weight is light, which is convenient for manual packaging of pallets.
Color stretch film with high toughness and puncture resistance, super toughness, comprehensive protection of objects, even sharp objects are difficult to pierce. Moreover, it has high self-adhesive and super self-adhesive retracting ability, which not only saves costs, but also protects the packaged items from dead ends in all directions.
This product is a kind of UV protection stretch film, which is a new type of stretch film involving the field of stretch film, especially a PE color environmentally friendly stretch film with UV protection and shading.
Machine wrapping film is a kind of packaging film, which can be used with large-scale wrapping packaging machines to implement the overall rapid packaging of various goods or pallets.
LLDPE is the most common stretch wrap material, which is produced by copolymerization of ethylene with alpha-olefins, the most common of which are butene, hexene and octene. It is a blended form of LDPE, where the film has much more tensile strength, flexibility, superior impact and puncture resistance.
Advantages of LLDPE Stretch Film
Exceptional Load Stability
Cast LLDPE stretch film is known for its superior load stability and holding power. Its unique formulation allows it to effectively secure and stabilize palletized loads during storage, transit, and handling. This feature helps prevent shifting, collapsing, or damage to goods, ensuring they reach their destination in optimal condition.
Outstanding Clarity and Visibility
The clarity of cast LLDPE stretch film is a significant advantage, as it provides excellent visibility to packaged goods. This is particularly important for inventory management, quality control, and barcode scanning. The high transparency of the film allows for easy identification of products, streamlining warehouse operations.
Uniform Thickness and Quiet Unwind
Cast LLDPE stretch film is manufactured using a precise casting process that results in a consistent thickness throughout the roll. This uniformity contributes to its exceptional tear resistance and puncture protection. Additionally, cast LLDPE stretch film is renowned for its quiet unwind, reducing noise levels in the packaging area and promoting a more pleasant working environment.
Cost-Effective Solution
Despite its high performance, cast LLDPE stretch film offers a cost-effective packaging solution. Its ability to be stretched to a greater extent while maintaining load integrity means that less film is required to secure each pallet. This stretch-to-yield advantage translates to reduced material usage and potentially lower packaging costs over time.
Versatility and Environmental Considerations
Cast LLDPE stretch film is suitable for a wide range of applications across various industries. Whether you're packaging lightweight or heavy products, irregularly shaped items, or sharp-edged goods, this type of stretch film can adapt to diverse packaging needs. Additionally, many cast LLDPE stretch films are designed with considerations for sustainability, offering options that are recyclable or made from recycled materials.
Application of LLDPE Stretch Film
Food and Beverage
LLDPE stretch film helps maintain the freshness of perishable items by providing a protective layer against contaminants. Furthermore, it ensures the safe transportation of bottled or canned beverages, preventing breakages or spills. Pallets of food items or drinks are often wrapped in stretch film to ensure stability during transportation.
Pharmaceutical
The LLDPE stretch film provides a barrier against dust, moisture, and other external factors that could compromise the quality of pharmaceutical products. Whether it's pallets of medicine boxes or large batches of medical equipment, it ensures they reach their destination unscathed.
Furniture and Home Decor
Whether it's a chair, table, or delicate home decor item, wrapping them protects them from dust, moisture, and in-transit damage. Moreover, LLDPE stretch film helps in consolidating multiple items, making handling easier.
Electronics and Appliances
Electronic items and appliances are sensitive to environmental factors and require robust protective packaging. LLDPE Stretch film guards these products against static electricity, dust, and potential impacts. It's commonly used for wrapping individual electronics, such as TVs or computers, and larger household appliances.
Industrial Goods and Machinery
Heavy machinery and industrial goods require packaging that can withstand the rigours of transportation. LLDPE Stretch film, especially those designed for high-tensile strength, is ideal for securing bulky or heavy items. It ensures that machinery parts don't move or get damaged, preserving their functional and aesthetic integrity.
Factors to Consider When Choosing LLDPE Stretch Film
LLDPE Stretch film should be chosen based on the specific requirements of each pallet load. These specifications are called pallet profiles and require a stretch film that provides proper containment according to positioning, weight and type of packaged items. To choose the right stretch film for your operations, consider these characteristics:
Load Characteristics
A: Uniform profile with clean edges
B: Irregular with uneven edges
C: No conformity with sharp edges
Pallet Weight
Light: < 1000 lbs.
Medium: 1000-2000 lbs.
Heavy: > 2000 lbs.
The next thing to consider when selecting a LLDPE stretch film for your machine is force-to-load, sometimes called the holding force, or containment force, of the film itself. Force-to-load is essentially how far out you can stretch the film and the manner in which it snaps back (like a rubber band) and is indicative of how well a film holds the load together. Some films have better force-to-load, or holding forces, than others and while they may have a bigger price tag initially, they typically result in lower cost-per-load and less damage to product.
To determine the right LLDPE stretch film for your particular load, you must first look at what your force-to-load is at the top, middle and bottom of your loads. From there, you can decide if you're able to stretch the film farther and get more wraps per load, reduce the number of wraps required or potentially down-gauge the film material's thickness.
In addition to the holding force, there are other factors to consider when selecting the right LLDPE stretch film. Different loads require different levels of pre-stretch limits, secondary stretch, and force-to-load working together.
The pre-stretch limit is how much the stretch film can be stretched out between two rollers of the machine that are turning at different speeds. The utility of the pre-stretch is economy and adjustable and relates to how many loads each roll of stretch film will allow.
Secondary stretch is the amount of tension you put between the last roller of the machine and the load itself. This feature allows you to optimize tension control on the machine and adjust force-to-load.
LLDPE Stretch film is measured in mils or microns, and typically the higher the gauge, the thicker and more durable the film and the more reliable the load. Just remember there are many other factors at play when selecting the appropriate gauge and thickness of your stretch film.
Many stretch film users think they can save money by choosing a lower gauge (down-gauging), but they often need to increase the number of times they wrap the load (revolutions) with film. Not only does this lead to increased cost-per-load, but it also increases the wear and tear on the machine itself and slows down production on the line.
We often recommend choosing the right gauge LLDPE stretch film that requires the smallest number of wraps. This decreases the effort required of the machine, minimizing unnecessary wear and tear on the machine and increasing production speeds.
In addition to choosing the right LLDPE stretch film for the machine, stretch film users should take time to consider the volume and frequency of the items shipped. How many pallets do you send out every day, week or month? How much time and labor hours are involved for each pallet to leave the facility? How much film are you using per load? Once you can track that data, you'll be able to choose the most efficient stretch film for your packaging application needs and budget.
Understanding the shipping cycle for each load is just as important as the above five factors when selecting the right stretch film. The longer the load must travel, the more stops and starts it will experience and is subject to increased movement and jostling of the packages. The last thing you want is an overturned pallet upon delivery due to faulty packaging.
Choosing the right LLDPE stretch film, holding force, secondary force and force-to-load based on the characteristics of the load allow users to wrap in such a way that despite any shipping conditions, the load and skid stay together and properly positioned. Additionally, the mode of transportation is a critical component to consider. Selecting the right stretch wrap will ensure that items shipped via truck, airplane or ship remain undamaged throughout their journey.
FAQ
Q: What are the advantages of LLDPE stretch film?
When it comes to the toughness of packaging materials, LLDPE stretch film is an industry favorite. It boasts an excellent high-tensile strength, enabling it to hold items together without breaking or tearing. This is particularly important during transits where packages may undergo stress. The durability and resilience of LLDPE stretch film have been observed firsthand, and I can confidently say that it can withstand a great deal of pressure.
Cost-Effectiveness
In my experience, businesses always have an eye on their bottom line. Therefore, cost-effective solutions like LLDPE stretch film are appealing. Its high yield and low cost make it an economical choice for businesses looking to save on packaging costs without compromising quality. Additionally, its superior load retaining capability reduces waste since less film is required to secure packages.
Flexibility And Adaptability
LLDPE stretch film has exceptional stretchability. This makes it adaptable to various shapes and sizes of items, thereby making it all the more convenient. Regardless of the nature or size of the package, the film can stretch and wrap around them with relative ease, providing a snug fit and a secure hold.
Resistance To Weather Changes
One thing that I have particularly found remarkable about LLDPE stretch film is its impressive resistance to weather changes. Whether it's exposure to the sun, rain, or changing temperature conditions, the film maintains its integrity. This makes it an ideal choice for ensuring the safe transit of products under varying weather conditions.
Q:How to properly store LLDPE stretch film?
Keep it in a cool, dry place: LLDPE Stretch film is made of plastic and can be sensitive to heat and humidity. It's best to store it in a cool, dry place to prevent degradation of the material.
Avoid direct sunlight: Exposure to sunlight can cause the stretch wrap to become brittle and lose its elasticity. To prevent this, store it in a place away from direct sunlight.
Use a stretch wrap dispenser: Using a LLDPE stretch film dispenser can help you use the material more efficiently and prevent damage to the wrap. It also makes it easier to store the wrap neatly.
Keep it away from chemicals: LLDPE Stretch film can be sensitive to chemicals, so it's important to store it away from any chemicals or solvents that could potentially damage it.
Q:What are the differences between LDE and LLDPE stretch film?
Low density polyethylene, or LDPE, is characterized by highly branched chains with random, long branching. LDPE has a density ranging from .910 to .935 grams per cubic centimeter (g/cc).
When it comes to its use in plastic films, LDPE resins provide acceptable toughness, flexibility, optics, and permeability. While not as strong as LLDPE resins, LDPE provides excellent shrink properties.
Linear Low Density Polyethylene (LLDPE)
Linear low density polyethylene (LLDPE) is characterized by short, random chain branching, with a density of .915 to .930 g/cc.
When compared to LDPE, LLDPE has much better tensile, impact, and tear strength, as well as greater seal strength. It can be more difficult to process when compared to LDPE, but many blends combine the two to improve stability and optics.
Q: Is LLDPE stretch film recyclable?
Although stretch wrap is not easily recyclable in traditional municipal recycling, it's worth noting that many producers now offer specialist stretch wrap made from recyclable materials or with additives that facilitate recycling.
Q:What are the common types of LLDPE stretch film?
LLDPE Cast Stretch Film is made via cast extrusion, which is a process during which a thermoplastic material is melted and run through a flat die. That material is placed on a chill roll where it re-solidifies. The process creates a durable, clear wrap that clings well, resists tearing, and stretches easily.
LLDPE Blown Stretch Film is manufactured by heating resin vertically and blowing it into a bubble, which is transferred to rolls while cooling.
Q:What is the melting point of LLDPE stretch film?
Q: What factors should be considered when choosing LLDPE stretch film?
Type of Products: The nature of the products also plays a role. Fragile items or those with sharp edges might require a more resilient film to prevent punctures or tears.
Transportation Conditions: Consider the conditions under which the products will be transported. Long-distance shipments or those exposed to varying temperatures might require a more durable film.
Storage Duration: If products are to be stored for extended periods, it's essential to choose a LLDPE stretch film that offers long-lasting protection against external factors like moisture and dust.
Q:How to use LLDPE stretch film properly?
When using LLDPE stretch film, it is important to adhere to the instructions provided by the manufacturer. This ensures that the product is properly cared for and can be used safely and effectively. In addition, taking proper precautions when handling and storing the film can help prevent damage.
When installing new rolls of LLDPE stretch film, make sure that they are firmly secured in their holders so that they are not at risk of breaking or tearing during use. Additionally, ensure there is adequate ventilation around each roll as overheating due to insufficient air circulation can cause shrinkage or weakening of the material. It's also important to avoid sharp edges or objects when loading or unloading pallets, as these could puncture the material and cause damage.
Avoid Over-Stretching Film
Businesses need to be aware of the limitations of LLDPE stretch film and not overextend it. When using stretch film, it is necessary to find the correct tension level that will ensure a secure and safe seal without causing any damage. Over-stretching can cause serious harm to the material and make it brittle, which can lead to tearing or breakage when attempting to secure packages. Additionally, if the film is stretched too much while being applied, it may become slack over time resulting in an inadequate seal.
To prevent the potential risks of over-stretching, operators should practice caution when applying stretch films. If unsure how much tension is required, begin by applying a moderate amount first with slow and steady movements.
Use The Correct Film Thickness
The thickness of the LLDPE stretch film is important in preventing it from being damaged. When choosing a stretch film, make sure it is thick enough to withstand any stresses that may be placed on it during transit and storage. A thin film will tear more easily and not provide adequate protection for your products. The general rule of thumb is that if you are packaging heavier items, opt for a thicker stretch film. Consider what type of product you are trying to protect and then determine the necessary thickness accordingly. Investing in quality materials can save you money in the long run by ensuring your goods are adequately protected when shipped or stored. Additionally, good quality films can also help reduce wastage due to breakages or damages caused by poor-quality materials.
Use The Correct Tension
It is essential to ensure the correct tension when applying a secure wrap. If the tension is too low, there may not be enough of the load's containment force to securely bind and protect the load, while if it is too high, stretching can cause tears in the plastic wrap. The ideal tension should be such that it allows for an even distribution of force across the entire length of the stretch film. For example, when using a hand-held dispenser, pull the film back until it is taut but not stretched excessively so that there are no wrinkles on its surface. Additionally, you should consider other factors like roll size and pallet weight when selecting an appropriate tension level as these will affect how much pressure needs to be applied during application.
Q:What are the functions of LLDPE stretch film?
More efficient storage and handling of unit loads.
Moisture and dust protection.
Tamper resistance and deterrent to stealing of packages.
Sun protection (UVI stretch film).
Extend the shelf life of certain foods.
Q:What are the characteristics of LLDPE blown stretch film?
Premium Quality Film – greater resistance to breaking.
Poor Clarity, can make scanning harder.
Noisy when releasing from the roll.
More holding power and resistance compare to LLDPE Cast Stretch Film.
Rarely used in machine application due to the noise.
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