Red version. When the red version of the copy to fit the weak exposure conditions, developer of the ratio of the concentration ratio is generally higher than for the instructions. In the developer, for example, the specification requires liquid water ratio of 1: 5 to 1: 8, while "weak exposure" according to general 1: 4 concentration formulated. Printing; after wash out white cardboard handbags, often with dirty conditions, there are usually two treatment methods, one of the plates are washed again and again, but a waste of time; another way is better The method is to add a certain amount of developer washing powder, liquid red version by enhancing the activity of molecular methods to dirty. Copy. Since the bag printing timeliness strong, so the bag printing plate shop generally advocate "weak exposure," the copy mode, in order to save time in the green bag in the plate-making process, the copy time is set shorter, and The conditions of the version to be adjusted to produce to meet the printing requirements of the plate. In addition, the copy also need to pay attention to the case of Shai Banji glass suction cleanliness and vacuum pump. Bag printing paper specifications paper specifications are what generally based on the type, size, weight to calibrate. (1) bag printing paper type of printing paper in the paper version of the paper is divided into two types of web peace. Only web width calibration, no length setting, is typically used is high even rotary press. Flat paper has a long and wide set biscuit bag, mostly used in printing paper plate. (2) the weight of the paper bag printed paper weight as well as the quantitative and so heavy that the usually quantified. Quantitative known as weight, weight per unit area of ??the paper bag, how many units of grams per square fans, such as weight per square meter of the paper is 60 grams, usually 250 or less per square meter called paper, called more than 250 grams per square meter cardboard. In the printing industry, indicates the paper weight of the unit as well as to make weight, the unit is kg (kilogram). Order a heavy paper of 500 full paper. Were so heavy and quantitative quantitative conversion according to the paper size and format, using the following formula: Order weight (kg) = paper area (m2) × 500 quantitative (g / m2) ÷ 1000 biscuit bag _ Rong art printing ( Certified) _ Huangpu bag provided by the Dongguan City-art printing Limited. Dongguan Wing Arts Printing Co., Ltd. (www.ylys1288.com) Dongguan, Guangdong, adhesive products leader, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Rong Yi printing leadership with the staff warmly welcome all inquiries negotiations to create the wing art printing better future.