As a material widely used in food, beverage, chemical product packaging and printing, tinplate is widely favored for its excellent corrosion resistance and mechanical strength.
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However, how to ensure the safety of printing tinplate sheets is an issue that every manufacturer must take seriously. From the selection of raw materials to the control of production processes to the quality inspection of finished products, every link is crucial.
This article will explore in depth how manufacturers ensure the safety of printing tinplate sheets and reveal the rigor and science behind this industry.
The safety of printing tinplate sheets first depends on the raw materials selected. Manufacturers must select high-quality raw materials that meet international standards to ensure the basic quality of each piece of tinplate.
1. Steel selection: Manufacturers should choose high-strength, low-carbon high-quality steels that not only have good mechanical properties, but also provide good adhesion and corrosion resistance in the subsequent tinning process.
2. Tin quality: The tin material used for tinning must be of high purity and low impurity content. High-purity tin can form a uniform and dense coating to effectively prevent corrosion.
3. Ink and coating: The ink and coating used in printing tinplate sheet must meet food-grade safety standards, especially for products used in food and beverage packaging. It must be ensured that the ink and coating are non-toxic and harmless and comply with relevant food safety regulations.
During the production process, manufacturers need to ensure the safety and quality of printing tinplate sheet through a series of strict process controls.
1. Surface treatment: Before printing, the tinplate substrate needs to undergo a series of surface treatment processes, such as cleaning, degreasing, phosphating, etc. These processes can remove oil and impurities on the surface of the substrate and enhance the adhesion of ink and coating.
2. Accurate printing process: Accurate control of the printing process is essential. Manufacturers should use high-precision printing equipment and technologies, such as offset printing and gravure printing, to ensure clear patterns and full colors, while avoiding safety hazards caused by uneven printing.
3. High-temperature baking and curing: After printing, the ink must be cured by high-temperature baking. The curing process not only enhances the wear resistance and stability of the ink, but also ensures that the pattern does not fall off or change color in a high temperature environment.
4. Coating a protective layer: To further improve the durability and safety of the printing tinplate sheet, manufacturers usually apply a layer of transparent protective paint on the surface of the printed pattern. The protective paint not only prevents scratches and corrosion, but also provides an additional barrier to prevent harmful substances from penetrating.
Quality inspection is an important part of ensuring the safety of printing tinplate sheets. Manufacturers must establish a complete quality inspection system and conduct strict inspections on each batch of products to ensure that they meet relevant standards and customer requirements.
1. Physical performance inspection: Test the physical properties of tinplate, such as thickness, hardness, and tensile strength, to ensure that it can withstand external pressure and impact during use and is not easy to deform and break.
2. Anti-corrosion performance inspection: Test the anti-corrosion performance of tinplate through methods such as salt spray test to ensure that it is not easy to rust and corrode in a humid environment.
3. Adhesion test of ink and paint: Test the adhesion of ink and paint through methods such as cross-cut test to ensure that it is not easy to fall off and peel off during use.
4. Food safety testing: For printing tinplate sheets used for food and beverage packaging, food safety testing must be carried out to ensure that the content of harmful substances in inks and coatings meets food-grade safety standards.
The management of the production environment is also a key factor in ensuring the safety of printing tinplate sheets. Manufacturers need to take a series of measures to keep the production environment clean and safe to prevent pollution and safety accidents.
1. Clean production environment: Clean the production workshop regularly to prevent pollutants such as dust and oil from entering the production process. In particular, the printing and coating processes need to be carried out in a dust-free workshop to ensure the cleanliness of the product surface.
2. Environmental monitoring system: Install an environmental monitoring system to monitor the temperature, humidity, air quality and other parameters of the production workshop in real time to ensure that they meet production requirements and avoid product quality problems caused by environmental factors.
3. Safety production management: Establish a complete safety production management system, conduct regular safety training for employees, improve their safety awareness and operating skills, and prevent accidents during the production process.
Technological innovation is the driving force for improving the safety and quality of printing tinplate sheets. Manufacturers need to continuously develop and introduce advanced technologies to improve product performance and safety.
1. Application of new materials: Research and apply new environmentally friendly materials, such as nano coatings, self-cleaning coatings, etc., to further improve the anti-corrosion performance and environmental protection of printing tinplate sheet.
2. Intelligent manufacturing technology: Introduce intelligent manufacturing technology, such as automated production lines, robot operations, etc., to improve production efficiency and product quality stability.
3. Green manufacturing process: Optimize manufacturing processes, reduce energy consumption and pollution emissions, achieve green manufacturing, and improve product environmental performance and market competitiveness.
High-quality customer service is also an important part of ensuring the safety of printing tinplate sheet. Manufacturers need to maintain close communication with customers, understand their needs and feedback, and continuously improve products and services to ensure customer satisfaction.
1. Pre-sales service: During product design and production, manufacturers should fully communicate with customers, understand their specific needs, provide professional advice and solutions, and ensure that products can meet customer requirements.
2. After-sales service: Establish a complete after-sales service system, handle customer feedback and complaints in a timely manner, solve problems encountered during use, and ensure customer experience and satisfaction.
3. Technical support: Provide comprehensive technical support and training to help customers understand and master the use and precautions of printing tinplate sheet, ensure that it can be operated correctly during use, and avoid safety problems caused by improper operation.
Conclusion
In summary, manufacturers ensure the safety and quality of printing tinplate sheet through strict raw material selection, precise production process control, comprehensive quality inspection, strict production environment management, continuous technological innovation and comprehensive customer service.
Tins packaging has a wide range of applications in the food, beverage, cosmetic, gift, pharmaceutical and daily goods industries.
Tins packaging can play a decisive role when you and your competitors’ products are being compared by potential customers.
If you are looking for more details, kindly visit tinplate manufacturer.
So custom tins is a very important thing, even more important than your product itself.
Working with Finetins, there is no middleman. This will reduce your purchasing costs by at least 20%.
We’re frequently sourcing quality materials at competitive prices so our customers can get quality packaging for les
Finetins workers all have more than 5 years of experience in production. Production team leaders have more than 10 years of experience in the industry. We also use top-notch production equipment to ensure that the quality of our tin cans is top-notch.
Before you ask Finetins to customize the packaging of your product, please prepare the information of your requirements information in advance so that we can help you solve the problem more efficiently. The necessary information we must learn as follows:
If you are lack of experiences in custom tins packaging and know nothing about how to determine the size and shape of your packaging, please contact our professional support team in time, We will provide you with the perfect solution to custom tins packaging:
Perhaps you have delayed customizing tin cans for your products for too long. Usually it takes you and your supplier two or even three months to make and revise the samples before you determine the tins packaging production. Dissatisfaction with the sample makes you waste time and money waiting for the sample production for many times.
In order to minimize your time cost, Finetins will make packaging effect drawings for you on the basis of your customized needs. The effect drawing is vividly described with the size of the product, the R angle of the box, the size of the winding line and various specific processes. In addition, the effect drawing make you detect the possible irrationality of product packaging more quickly and more directly. Then, you can try to correct the product packaging.
After communicating to revise the effect drawing, we will provide you with the first version of the plastic sample. And, the plastic samples will be made in full accordance with the design draft. You can try out your own products with plastic samples. After the suitable structure of the model is finally determined, we will make the metal mold of tin cans, which will help you avoid making errors and save the cost in the mold making.
It usually takes 7 to 10 days for Finetins to make a sample. After the sample is completed, we will provide customers with photos of the sample from all angles as soon as possible. If everything is OK, we will send the sample to the customer by international express.
If the customer has advice on revising the sample, we will revise it repeatedly before the customer’s complete satisfaction. We can promise that the finished goods are of the same high quality as the determined samples.
After the sample is determined, we will customize the production mold according to the structural size.
The first step in making tin cans is to buy raw materials. High-quality raw materials are the basis for ensuring the high quality of products.
The raw materials used for custom tin cans are usually galvanized iron, tinplate smooth iron or tinplate ground iron. All raw materials meet the requirements of environmental protection and food grade, so you can rest assured if you plan to do food packaging.
The use of tin-plated tinplate can effectively prevent cans from rusting. The first-grade tinplate has good malleability, which can avoid the problem of whitening the edge of tin box.
Finetins will only buy raw materials from suppliers of reliable quality.
We can get a discount of 10% below the average market price from a large number of purchases every year. It is one of the reasons why our products sell with the low price.
The shearing machine cuts the large-size metal plates into small sizes. Different sizes are suitable for different parts of tin cans, such as tin lid, tin body and tin bottom. If there are some errors in the size of the sheet metal, there will be no strong structure after the formation of tin cans. So, it is the foundation on which tin cans has a solid structure.
It is not suitable for the edge of the cut sheet metal to have irregular burrs, which will also affect the quality of the most kinds of products. Finetins uses a fully automatic shearing machine to finish the process, and every tin sheet cut will be inspected by the engineers.
Stamping is essential in making tin cans, and it is the most important step in which the errors should be avoided. If this step goes wrong, it will cause greater economic losses. In addition, it will increase the delivery cycle greatly as well. So when you visit a tin cans factory, be sure to focus on the production process.
After the Tin cans manufacturer installs the mould on the punch, the metal plate is stamped by the corresponding punch and formed into different parts of the iron can.
After the custom tin cans is molded, it is necessary to finish the final quality control. And, the defective product will be determined if the following problems are detected:
The paint worn out.
Potholes.
Printing scratches.
Concave pointson the surface.
Printing chromatic aberration.
Actually, it is not terrible to find defective products. What is terrible is that the defective products fail to be picked out. So it’s important to develop an experienced QC team.
There are many advantages and disadvantages in searching for tin box factory in China to customize tin cans. The greatest disadvantage is that in order to save freight, you have to adopt maritime transportation in delivering tin cans to your home country, which usually takes 20-40 days.
Therefore, if the packaging of tin cans is not strict enough, there may be some quality problems with your tin cans. Usually, there are four quality problems due to poor packaging:
So the strict packing is shown in the picture below. Each tin cans is packed in an OPP bag and a separate space can be seen in the five-story carton. If necessary, put a cushion airbag in the carton.
Since the COVID-19 epidemic spread globally, the cost of international transportation has been high. The rise in transportation costs doesn’t lead to a shorter receiving time. In addition, it increases the time you have to wait for tin packaging.
When you are worried about the transportation of goods, you can consult finetins in time. Maybe our freight forwarders can safely deliver the goods to your company at a more favorable price and faster efficiency.
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