Changshu Xinmingyu New Material Technology Co., Ltd. is located in Changshu City, Jiangsu Province, which is called "International Garden City" and "Jiangnan Town of fish and rice". It is located at the junction of Suzhou, Wuxi and Changshu. The company is headquartered in Yangyuan Industrial Park, Xinzhuang Town, Changshu City. Registered capital of 7.5 million yuan, the company's predecessor is Wuxi Mingyu Plastic Co., LTD., was founded in 2002, the company has been established by the majority of users support and affirmation.
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PVC profile protective film, plastic steel door and window protective film, aluminum profile protective film, decorative plate protective film, soft plastic packaging bag, PE film, heat transfer film, pharmaceutical aluminum foil, cold formed aluminum foil, aluminum foil composite film, food packaging bag.
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Changshu Xinmingyu New Material Technology Co., Ltd. covers an area of about 10,000 square meters, with three production workshops, four film blowing machines, three printing machines, six glue coating machines.
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Aluminum foil is widely used in food, beverages, cigarettes, medicines, photographic plates, household necessities, etc., usually used as packaging materials.
Cold-formed aluminum foil has good physical properties, so it can improve the moisture-proof and anti-oxidation ability of drugs to a certain extent.
Pharmaceutical aluminum foil is an excellent insulation material that can help maintain the active ingredients and efficacy of medicines. Drugs usually need to be stored at low temperatures, and aluminum foil can prevent drugs from being affected by high temperatures.
Cold-formed aluminum foil is a thin sheet of metal foil that contains approximately 92-99% aluminum and has a thickness of 0.0002 in. To 0.006 in. It is highly durable, non-toxic, oil-proof, and chemically resistant. It also offers an excellent barrier to light, oxygen, moisture, and bacteria, making it ideal for industries where these variables are critical.the high resistance, availability, and affordable cost of aluminum foil make it a preferred material for industrial applications. As a result, manufacturers can also produce various aluminum alloys and foils with varying attributes by combining them with metals such as magnesium, copper, nickel, zinc, and many others.
Benefits of Cold-formed Aluminum Foil
Weight
When it comes to manufacturing and selling consumer items, one of the biggest issues that businesses face is the cost of transportation. A big aspect of this issue is the weight of packaging, as multiple layers of dense materials required to protect the product from the environment also increase the weight of the product. Meaning less capacity per transport, meaning more trips, meaning more fuel, cost & pollution.Being a very light material and one of the least dense metals, aluminum solves this problem quickly. As mentioned above, the weight difference between doy packs and glass bottles, the weight difference is around 693.9% to 493.9%.
Temperature Insulation
Although aluminum is a metal, with 3 valent/free electrons in its outer shell, making it a very good conductor of electricity and heat. However, its lack of density more than makes up for it by providing it with amazing insulator properties. In terms of packing, this allows Cold-formed Aluminum Foil to preserve the heat in the product it is wrapped around.
Safety & Non-Reactant
These foils are good for wrapping out food items as they do not react with the items, thus, there is no risk of contamination or changing flavor.
Flexibility & Versatility
Foils are extremely flexible due to their thinness, and aluminum's ability to be extremely malleable. Meaning, that these foils can easily be wrapped or crumped around an object without the fear of tearing or breaking. This also provides Cold-formed Aluminum Foil with extremely versatile potential applications.
Recyclable
Other packaging/wrapping alternatives like Saran wraps are not biodegradable, cardboard s difficult to recycle, etc. Cold-formed Aluminum Foil don't pose a threat to the environment & are extremely easy to recycle. According to industry statistics, recycling a foil only takes about 5% of the total energy required to make new foil of the same quantity.
Cost Reduction
Lastly, the biggest advantage from both a consumer & business point of view, is that aluminum is extremely cheap to manufacture and purchase. Meaning that it can be incorporated into different applications, without any significant increase in cost.
Types of Cold-formed Aluminum Foil
Non-Stick Aluminium Foil
Say goodbye to stubborn food sticking to your foil with non-stick aluminium foil. Coated with a special non-stick surface, this foil provides effortless food release, preventing messy cleanups and preserving the integrity of delicate dishes. Whether baking gooey cheese or sticky sweet treats, non-stick aluminium foil is a game-changer for hassle-free cooking and baking.
Pre-Cut Aluminium Foil Sheets
Pre-cut aluminium foil sheets are a fantastic option for added convenience and time-saving. These pre-cut sheets are ready to use, eliminating the need for tearing or measuring. They are perfect for wrapping sandwiches, lining trays, or packaging portions. With pre-cut aluminium foil sheets, you can streamline your meal preparations and enjoy the ease of a perfectly sized sheet every time.
Pop-Up Aluminium Foil Sheets
Pop-up aluminium foil sheets take convenience to the next level. Designed in a pop-up box, these sheets are easily accessible and dispensed one at a time, ensuring a seamless cooking experience. Whether grilling outdoors or preparing a quick snack, pop-up aluminium foil sheets offer quick and effortless solutions for wrapping, covering, or lining.
Colored Aluminium Foil
Add a touch of creativity and novelty to your food presentations with coloured aluminium foil. Available in various vibrant hues, coloured aluminium foil is perfect for wrapping gifts, creating decorative accents, or adding visual appeal to party platters. Let your imagination run wild and elevate your culinary creations with a splash of colour.
Food packaging
As an indian, i'm sure almost every one of you has had rotis wrapped in cold-formed aluminum foil for your school lunch. One of the most popular uses for cold-formed aluminum foils throughout the years has been wrapping and packing food. Whether it is for home use, i.e., packing tiffins, lunches, etc. Or for commercial uses, like your favorite chocolate packaging. This was the first food brand that used cold-formed aluminum foil in packaging their famous triangular chocolates.
Medicines
Another industry where these products are very popular is the pharmaceutical industry. Ever seen a packet of medicine? The backing layer that we rip off to take out the tablets is made of you guessed right, cold-formed aluminum foil. These industries use aluminum, because it's light (reducing the weight of the packaging), easy to open but still provides protection, and it protects the medicines from the outside environment.
Wine bottles
You may have seen in movies, that people always break out the corks from a wine bottle, and wonder why do wine bottles not use normal caps. That is because, wines are primarily consumed for their taste, and any foreign material, even metals coming in contact with the wine can change its flavor. However, nowadays, many vineyards have shifted from corks to aluminum caps for their bottles. As aluminum has been shown to not interact with the beverage and provide a better seal than corks.
Doy packs
These packages are made primarily of cold-formed aluminum foil, and they are very famous for one particular reason. That is weight, before doy packs, manufacturers, especially manufacturers of beverages used glass bottles. The problem with glass bottles is that they add a lot of weight to the final product. This increases the transportation space and cost needed to provide the product to the consumer.
Different Definitions of Cold-formed Aluminum Foil and tin foil
Different materials and processes of cold-formed aluminum foil and tin foil
Cold-formed aluminum foil is made of metal aluminum or aluminum alloy through rolling equipment, and the general thickness is less than 0.025m. While tin foil is made of metal tin or tin aluminum alloy through rolling equipment.
Different physical and chemical properties of cold-formed aluminum foil and tin foil
Cold-formed aluminum foil has a melting point of 660°c and a boiling point of 2327°c. Its appearance is a silver-white light metal with ductility. It can form an oxide film to prevent metal corrosion in the humid air. Tin foil paper has a melting point of 231.89°c and a boiling point of 2260°c. It has the characteristics of good corrosion resistance and a low melting point. Its appearance is a silvery-white metal with a slight bluish tinge.
Different appearance characteristics of cold-formed aluminum foil and tin foil
The tin foil looks much brighter than cold-formed aluminum foil. The tin foil paper sold is usually stacked one by one, with cotton paper between each sheet, which is difficult to cut and expensive. While aluminum foil is stiff and easy to cut, and rolls are often used. Cartridge packaging is cheaper, so it has gradually replaced tinfoil and become the mainstream of the market.
Quality first
When it comes to aluminum foil, quality is crucial. Confirm whether the factory has relevant certifications, such as ISO or FDA, and look for factories that adhere to strict quality control throughout the entire manufacturing process to avoid subsequent disputes due to quality issues to the greatest extent.
Experience is preferred
Choose suppliers who have many years of production experience and a good reputation in the industry. A mature factory with many years of experience is more likely to have in-depth research on the aluminum foil manufacturing process and have the expertise required to meet your needs.
Customization
Depending on your business needs, you may need custom aluminum foil products. Ask the factory if they offer customization options, such as different thicknesses, widths, or packaging formats. Flexible suppliers will be able to meet your specific requirements and provide professional solutions to meet your unique needs.
Production Capacity
Evaluate your factory's production capacity and efficiency to ensure they can meet your order volumes and delivery times. Ask about their production capabilities, delivery times, and ability to expand production if needed. Factories with efficient production processes will be better equipped to handle large orders and deliver on time.
Casting
Aluminum foil is produced by casting molten aluminum billets into ingots that are then re-rolled to the desired thickness through rolling mills and foil mills, or by continuous casting. To maintain a constant thickness in foil production, beta rays are passed through the foil to sensors on the other side. If the intensity is too high, the rollers adjust to increase the thickness. If the intensity is too low and the foil is too thick, the rollers apply more pressure to thin the foil.
Continuous Casting
The continuous casting method uses much less energy and has become the preferred process. For foils less than 0.025 mm thick, two layers are usually put together for final processing and then separated, which produces a foil with one shiny side and one matte side. The two sides that touch each other are matte, while the outside is shiny, which is done to reduce tearing, increase productivity, control thickness, and avoid the use of smaller diameter rollers.
Rolling
Some lubrication is required during the rolling stage; otherwise, a herringbone pattern may appear on the foil surface. These lubricants are sprayed on the foil surface before passing through the rollers. Kerosene-based lubricants are commonly used, but foils used for food packaging must use oils approved for food contact.
Cold Rolling
Aluminum hardens during the cold rolling process and in most cases requires annealing. The foil roll is heated until it reaches softness, which can be as high as 340 °C (644 °F) for 12 hours. During this heating process, the lubricant is burned off, leaving a dry surface. For hard tempered rolls, the lubricant may not burn off completely, which can make subsequent coating or printing more difficult.
Slitting
The foil roll is then slit into smaller rolls on a slitter rewinder. Coil slitting and rewinding are an integral part of the finishing process.
Advanced Barrier Properties
Cold-formed foil packaging has undergone enhancements in terms of its barrier properties resulting in improved protection against moisture, oxygen, and light. As a result, the product's freshness is preserved for a period while also minimizing the likelihood of spoilage.
Innovative Printing Techniques
New and creative methods of printing have emerged for cold-form foil packaging, including holographic printing and digital printing. These techniques add allure to the packaging, making it more appealing to consumers.
Smart Packaging
In the era of cold-form foil packaging smart packaging has emerged as an innovation. By integrating technology, it offers an array of added advantages. One noteworthy feature is the ability to track and monitor the product's condition throughout its journey, in storage and transportation. This not only guarantees the product's quality but also enhances its safety measures.
Sustainable Materials
Cold-form foil packaging has been experiencing advancements in the adoption of sustainable materials like biodegradable and compostable films. This shift is driven by the increasing awareness among consumers, making it a notable trend in the industry.
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