How to check the appearance of the sticker: The edge of the self-adhesive material is smooth and non-destructive, which is the basis for ensuring the printing quality of the self-adhesive label. Therefore, before printing, it is necessary to carefully check whether the slit edge of the reel material has burrs, whether it is stored or not. Damage occurred improperly, and the roll of self-adhesive material was rolled down 4-5 times, and the slitting edge was carefully inspected. Check for cracks on the adhesive material When the self-adhesive material is cut, if the cutting tool is not properly adjusted or the blade is not sharp enough, cracks will appear on the face paper or the bottom paper of the self-adhesive material, and the fiber pulled out at the crack will be adhered by the adhesive. live. The occurrence of cracks may be continuous or random. It may appear on one side of the reel material or on both sides. Therefore, before the self-adhesive material is printed on the machine, it may be necessary to carefully check the bottom paper. Is there a small crack on the paper? Then, take a sample of the paper that has been inspected above, and peel off the backing paper to check again for cracks on the underlying paper and the backing paper, because the cracks are sometimes very small, and can only be found after separating the backing paper and the paper. It is worth noting that since the ink and the adhesive gradually accumulate on the paper guide roller of the printing press during printing, cracks may also occur at the edges of the adhesive material. Therefore, even if printing has already begun, the above problems cannot be ignored. Check if the edge of the adhesive material is stuck, and if the bottom paper is leaking silicon The edge of the self-adhesive material is adhered or a part of the bottom paper is leak-coated with silicone oil. During the printing process, the facial paper breaks during the waste process and cannot be produced normally. Therefore, before printing, you should take a piece of self-adhesive material that is about 1 meter long and peel it off by hand to see if there are any parts on the edge or other parts that cannot be smoothly and consistently peeled off. Check whether the slit end face of the reel self-adhesive material is straight and the rewinding is consistent. If the slit end faces of the reel adhesive material are not uniform, it will not only affect the registration during printing, but also cause difficulty in discharging due to the change of the die-cut position; the inconsistency in the rewinding will cause the paper force during printing. Changes and uneven tension can also cause print quality problems. Plastic Water Bottle,Travel Water Bottle,Plastic Coffee Bottle,Plastic Stainless Steel Bottle NINGBO GECEN PROMOTION & GIFT CO.,LTD. , https://www.nbgecen.com
Check the self-adhesive material for burrs