As a round and hollow shape, aluminum tubing is a common metal packaging material for cream products if used in consumer products, not only must have a practical function (i.e., good packaging effect) but also meet the aesthetic requirements of consumers to enhance the sense of the value of the product.
The use of aluminum hose packaging on the market consumer products will be printed on the body of the brand logo, product descriptions, and even graphic design. However, few people may pay attention to the common white background color on the collapsible aluminum tube (commonly known as primer), and not in the flexible aluminum tube printing, printing ink printed on, but first through the “primer” process, a “saturated polyester resin” of special materials. coated on the surface of the aluminum tube. So we often say a few color printing is actually not including this primer. Do you know why this is?
What’s the purpose of white primer?
The purpose of the primer is mainly to protect the surface of the aluminum hose, as well as cover the original color of the collapsible aluminum tube so that the printing effect is better. Customers usually provide Pantone color code, but Pantone color code is based on paper, so first apply a layer of white on top of the aluminum tube, and then go to print according to the customer’s Pantone color code, so that the color will come out more standard. Of course, this is only one of the factors.
In addition, the polyester resin used in the primer has good flexibility and adhesion, which can be closely bonded to the aluminum to form a protective film. This protective film has excellent scratch resistance, withstands minor scratches and scuffs, and prevents oxidation and corrosion of the aluminum.
How many colors are there in the base coat? Is it only white?
No, now the customer’s requirements for printing are getting higher and higher, naturally, the color of the primer is not only white, even white, but also different white because the ink factory is not the same, the production process is different and presents different white.
Now some customers like to use silver primer or gold primer to make the tube look more high-grade.
The primer is usually white and is applied to the entire outer wall of the aluminum hose, but now there are more and more product designers who will require different colors, making the primer start to upgrade from a practical protective function to both decorative and aesthetic effects.
How is the primer applied?
Primer is a very critical part of aluminum tube production, stamped into the empty tube of aluminum hose, first after finishing, annealing and internal spraying procedures, after aluminum slug turn to aluminum tubes, the aluminum tube gets soft after annealing. before coming to the roller of the primer machine, primer turntable rotation, driving the aluminum hose on the roller, pressed on the primer-soaked rubber roller, primer on the aluminum hose coated. The primed aluminum hose must be baked in the oven at 150-160 degrees Celsius for 5-6 minutes to fuse the resin particles and cure into a smooth protective film. After cooling, the subsequent printing process can be carried out.
The primer coating is an important procedure in the manufacture of high-quality aluminum hoses. The raw polyester resin used must meet the relevant safety standards of the local or exporting country. The primer coating smooth and detailed aluminum hose, the subsequent printing results will be satisfactory.
Of course, there are some customers for various reasons who may select to purchase white blank tubes, customer put the paper sticker on the aluminum tubing, same beautiful too.
After priming and then offset printing, the aluminum tube only becomes a tube with complete printing. It proclaims the brand value.
What’s the MOQ of the white plain aluminum tube?
Many customers think that the MOQ of aluminum tubes is too high, that is because the aluminum collapsible tube is produced by a dozen procedures, the machines are all running at high speed, and the capacity of one production line can reach 80,000 to 100,000 a day. And the cost of changing one production line is high, sometimes it takes most of the day to adjust the printing. The production of a small quantity cost the same time as a higher quantity, so the aluminum tube in this line, the number the price of the impact is relatively large.
If customers need to purchase white plain tubes at much lower MOQ, as long as the same specification of squeeze aluminum tubes is being produced, no matter how much quantity is acceptable. As a top aluminum collapsible tube manufacturer, Beauty Sky Packaging is sincerely waiting for your message!
