
There is a lot of dtf ink on the market, and the prices vary greatly. Udefine dtf ink: good whiteness, good fluency, and stability. Udefine Ink's excellence in the development process is the guarantee of Udefine's reputation.
1. Choose good materials
At present, in terms of pigment ink materials, there is still some gap between domestic materials and imported materials. In order to ensure the quality, we have always insisted on using imported materials for key materials. Good materials can guarantee the whiteness of white ink, the brightness of color ink, the fastness of ink and other basic parameters:
1.1
This is the focus of everyone's attention. It is directly related to good color paste. There is still a gap between domestic or self-grinding color paste and imported color paste.
Film transfer attaches great importance to whiteness because the better the whiteness, the better the color of the color ink printed on the white ink. If the color requirements are the same, the ink with good whiteness will save more ink.
The coverage rate directly affects the whiteness, the better the coverage, the higher the whiteness.
Covered ink, printed white, no leakage, the product looks more beautiful.
1.2
The fastness of the ink is also determined by the quality of the key material resin in the ink. The cost of a 1000ml bottle of ink between a good resin and a cheap resin will be usd2-3, but a good resin can improve the fastness by half a level, which is very important.
1.3 Flowing ink
Ink flow in the printing process is directly related to the quality of the solvent you choose. We always choose the best German solvent.
1.4 Stability
Imported materials are better than domestic materials in terms of product stability, and the stability of materials ensures the stability of products.
1.5 Shelf life
The shelf life of ink is a very important indicator. Good materials and good formulas ensure that Udefine ink has a true 12-month shelf life, especially white ink, which is longer than the 6-month shelf life of ordinary ink. During the shelf life, even if precipitation occurs , shake it gently, it can also guarantee normal use. This is of great significance for exporting ink.
2. Refinement formula
Without good materials, there will definitely be no good inks, but good materials need good formulas to become good inks. There are dozens of materials in inks, and even small changes in each material will affect the quality. Re-testing is required to finalize the formula.
2.1 Water outlet and oil outlet
This problem is definitely related to the formula. In order to ensure the smoothness of the ink, the ink is generally added with substances to ensure smoothness. These substances are easy to precipitate after drying and appear on the surface of the printing film, affecting the printing quality. After drying If there is no problem with drying, Udefine ink will not only ensure no oil, no water, but also ensure smoothness.
3. Strict development testing
The first focus of the test is fluency.
3.1 Fluency
The fluency of ink is one of the most important indicators of ink. Our test standard is 100% ink volume, continuous printing of 10 meters in full-width color blocks, without continuous line, and the number of broken ink holes is required to be no more than 3 for color ink, and for white ink to be broken. There can be no disconnection, and after re-pressing the ink and cleaning, it will be all-through. In this way, the continuous production of more than 100 meters can be guaranteed during production.
The above are routine tests. According to customer requirements, Udefine also has some non-standard tests, but very useful test methods:
1. Resistant to scratching
However, the pick-resistant test is a simple method. On the printing part, use the normal force of the nail to pick it 20 times in a row. If the printing part is slightly damaged, it is judged as qualified, and if it falls off in pieces, it is judged as unqualified. Film transfer printing relies on hot melting of rubber powder and adhere to the fabric, if it is not resistant to scratching, the printed part will be easily washed off during the washing process.
2.
Print 30 mm wide and 250 mm long color strips, cover with white ink and shake powder to dry, forcefully stretch to 2-3 times its own length, it can rebound after relaxation, repeated stretching 4 or 5 times without breaking, and no large area appears hole, judged to be qualified. Ink with good elasticity, after the product is finished, it has good elasticity and is not easy to crack or crack.
3. Membrane Suitability
Good ink can be applied to most membranes on the market. This one requires a lot of testing and experience accumulation. This kind of goodness is invisible.
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