First, process dark law anti-counterfeiting prevention
The issuance and approval procedures for the issuance of welfare lottery in China are very strict. They are highly authoritative, and their circulation, face value, specifications, etc. will not be arbitrarily changed once they are confirmed, nor will they be revised or reprinted. In order to prevent the buyer from forging a winning ticket, the lottery ticket generally needs to go through dozens or even dozens of processes before it can be printed. The most valuable of these is the implementation of the “process dark law†in the production of lottery tickets to ensure that no one (including printing manufacturers, ticket buyers, and China Lottery Distribution Center) can know the lottery tickets printed by the winning lottery ticket. The distribution situation prevented the picking of votes.
Anti-counterfeiting is to stop the counterfeiters from forging fake winning tickets. The purpose of the anti-picking is to ensure that each ticket purchaser has equal chances of winning. Even if a real-looking lottery ticket with genuine appearance appears, it can be identified quickly and easily.
Second, the lottery printing paper and ink requirements
In the past 10 years, the need for masking inks has increased year by year. In the offset text, numbers, symbols and then use screen ink thick screen printing film, so that it is completely covered, and then made of cards is a lottery ticket. Lottery tickets come in many forms, such as sports lotteries, social welfare fund-raising lottery tickets and so on. This type of lottery ticket can be seen by using coins or nails to scrape off the masked ink, and the printed text, numbers, etc. can be seen below. In addition, by masking images, words and numbers can be combined into a variety of interesting entertainment, which is very popular.
1. Composition of lottery tickets
Because most of the lottery tickets are disposable, paper-based printing generally uses 150 to 200 g/m2 of coated paper. First of all, with offset printing of text, numbers, images, etc., the printing surface of the offset printing is flat, which is advantageous for the final screen printing. The offset-printed printing surface must be coated with a good transparency, and its function is not only to make the masking ink strippable, but also to make the offset printing image stable. The final screen printing is then performed on the coating using masking ink, typically only partially masked thick film printing is performed on the letter and the digits.
2. Lottery performance requirements
1 After the masking ink with stability is printed on the lottery ticket, it should be easier to peel off with nails or coins. The ink lottery ticket printed as a commodity is stable for at least one year of circulation.
2 After removing the masking ink, the exposed characters, numbers, etc. cannot be contaminated by the ink.
3 Masking ink should have sufficient shielding.
(4) The ink film that covers the ink should have certain toughness, that is, the surface of the ink film must not be damaged by some external force during operations such as drying or cutting of the lottery ticket, and the same requirements must be met in the circulation of the product.
From the above points of view, 3 and 4 are almost determined by the performance of the masking ink, so it is very important to select the appropriate ink. The 1 and 2 are determined by the degree of adhesion of the coated paper and the masking ink. The faults that existed in previous experiments are mainly 1 and 2, so this is a key issue.
Third, lottery tickets are printed by designated manufacturers
According to insiders, in the past years, the printing of lottery tickets, like the printing of banknotes, has quite strict rules and regulations in production management, and has extremely high quality requirements in terms of plate making and anti-counterfeiting.
Lottery printing companies are generally marketed by the designated printers that specialize in printed securities, and part of the lottery is marked with the name and code of the manufacturer. For example, the major manufacturers of printing lottery tickets are: Beijing Printing No. 2 Factory (02), Shijiazhuang Offset Printing Factory (04), Guangzhou Dongfanghong Printing Company (05), Beijing Guangcai Printing Center (06), etc. They have different characteristics and advantages in printing different types of lottery tickets.
The issuance and approval procedures for the issuance of welfare lottery in China are very strict. They are highly authoritative, and their circulation, face value, specifications, etc. will not be arbitrarily changed once they are confirmed, nor will they be revised or reprinted. In order to prevent the buyer from forging a winning ticket, the lottery ticket generally needs to go through dozens or even dozens of processes before it can be printed. The most valuable of these is the implementation of the “process dark law†in the production of lottery tickets to ensure that no one (including printing manufacturers, ticket buyers, and China Lottery Distribution Center) can know the lottery tickets printed by the winning lottery ticket. The distribution situation prevented the picking of votes.
Anti-counterfeiting is to stop the counterfeiters from forging fake winning tickets. The purpose of the anti-picking is to ensure that each ticket purchaser has equal chances of winning. Even if a real-looking lottery ticket with genuine appearance appears, it can be identified quickly and easily.
Second, the lottery printing paper and ink requirements
In the past 10 years, the need for masking inks has increased year by year. In the offset text, numbers, symbols and then use screen ink thick screen printing film, so that it is completely covered, and then made of cards is a lottery ticket. Lottery tickets come in many forms, such as sports lotteries, social welfare fund-raising lottery tickets and so on. This type of lottery ticket can be seen by using coins or nails to scrape off the masked ink, and the printed text, numbers, etc. can be seen below. In addition, by masking images, words and numbers can be combined into a variety of interesting entertainment, which is very popular.
1. Composition of lottery tickets
Because most of the lottery tickets are disposable, paper-based printing generally uses 150 to 200 g/m2 of coated paper. First of all, with offset printing of text, numbers, images, etc., the printing surface of the offset printing is flat, which is advantageous for the final screen printing. The offset-printed printing surface must be coated with a good transparency, and its function is not only to make the masking ink strippable, but also to make the offset printing image stable. The final screen printing is then performed on the coating using masking ink, typically only partially masked thick film printing is performed on the letter and the digits.
2. Lottery performance requirements
1 After the masking ink with stability is printed on the lottery ticket, it should be easier to peel off with nails or coins. The ink lottery ticket printed as a commodity is stable for at least one year of circulation.
2 After removing the masking ink, the exposed characters, numbers, etc. cannot be contaminated by the ink.
3 Masking ink should have sufficient shielding.
(4) The ink film that covers the ink should have certain toughness, that is, the surface of the ink film must not be damaged by some external force during operations such as drying or cutting of the lottery ticket, and the same requirements must be met in the circulation of the product.
From the above points of view, 3 and 4 are almost determined by the performance of the masking ink, so it is very important to select the appropriate ink. The 1 and 2 are determined by the degree of adhesion of the coated paper and the masking ink. The faults that existed in previous experiments are mainly 1 and 2, so this is a key issue.
Third, lottery tickets are printed by designated manufacturers
According to insiders, in the past years, the printing of lottery tickets, like the printing of banknotes, has quite strict rules and regulations in production management, and has extremely high quality requirements in terms of plate making and anti-counterfeiting.
Lottery printing companies are generally marketed by the designated printers that specialize in printed securities, and part of the lottery is marked with the name and code of the manufacturer. For example, the major manufacturers of printing lottery tickets are: Beijing Printing No. 2 Factory (02), Shijiazhuang Offset Printing Factory (04), Guangzhou Dongfanghong Printing Company (05), Beijing Guangcai Printing Center (06), etc. They have different characteristics and advantages in printing different types of lottery tickets.
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