What are the types of ink used in plastic bag printing?
UV ink. In the plastic bag printing, UV ink is a solvent containing no security products, like an ink, it is mainly used for flexographic printing and plastic bag printing ink is a kind of current industry has obvious advantage.Water-based ink. In printing ink, water-based plastic ink is a kind of environmental pollution that will not cause pollution to the outside environment. The printing of the real environmental protection plastic bag is represented by this kind of ink. Now, this ink has been widely used in food, drugs, cosmetics and other highly demanding plastic bags printed.
Alcohol soluble plastic ink. This is the current toxicity and odor are smaller ink, it is more suitable for flexo printing. Because the raw material does not contain benzene, it is relatively environmentally friendly.
Retort type ink. Plastic bags used for high temperature foods are now available on the market and can be printed with this ink. This is because it contains a two-component, two-component polyurethane resin, high temperature cooking, but also has a greater toxicity.
Composite ink. In addition to this kind of ink for the above mentioned several plastic bag material, in the PET material also has very good printing effect. Especially for film, strong adhesion, bright colors, shortcomings are obvious, toxic.
Polyamide printing ink plastic bag printing. This ink is suitable for a wide range of materials, including the common PE, NY, PP, OPP, etc., can use this ink to print. The advantage of this kind of ink is that it has fast volatilization and good adhesion. Therefore, the printing performance is strong, but the toxicity is great.
