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  • How to Deal with the Dirty Surface of Photosensitive Polymer CTP Printing Plate? 20-11-23

    At present, many newspapers across the country have introduced CTP computer-to-plate technology in order to improve publishing efficiency. Of course, the application of new technology is not entirely smooth. CTP computer-to-plate technology will inevitably encounter some problems, including the printing plate endurance is not ideal. , After printing on the machine, the layout is easy to be dirty and difficult to clean, and the overprint is not accurate. Flexo plate making machine supplier suggests that you can consider three aspects when encountering the dirty problem of the CTP plate during printing: the quality of the plate, whether the plate making process is operated properly, and printing problems. 1. Plate quality The transportation and storage conditions of CTP plates are relatively strict and have a certain shelf life. For example, it requires that it should be placed in a sealed packaging box before exposure, and the environment should be dry and cool, and only when the packaging box is selected under the irradiation of yellow light can it be opened for exposure and development. Its shelf life is generally one About years. Because the stability of the photosensitive layer of CTP plate material is relatively low, it is 1000 times lower than that of PS plate. Therefore, a little carelessness will affect the chemical properties of the CTP plate surface coating layer, so that the hydrophilic properties of the blank part of the plate surface after exposure and development will be affected, causing the plate surface to be dirty after printing. For the CTP plates purchased in the early days, the printing plate produced by the flexo plate making machine would be dirty on a large area, and it was difficult to remove it, so it had to be replaced with a new plate. On the other hand, the printing plate produced under the same conditions as the newly purchased plate is very clean and there is no dirt on the plate. Repeated comparison tests show that there are problems with the quality of that batch of old plates. It is possible that the quality of the plate is not good when it leaves the factory, and it is also possible that the quality of the plate is deteriorated due to the operation of the plate in the process of transportation and storage that does not comply with the requirements of the specification. The solution is to require the manufacturer to ensure that the product quality, transportation, and storage process strictly follow the specifications. 2. Whether the plate making process is operated reasonably: The insufficient exposure time of the CTP plate and insufficient developer concentration or development time will also make the hydrophilic properties of the blank part of the CTP printing plate not meet the requirements; this will also make the CTP printing plate easy to get dirty after printing on the machine. Here is a small experience: if we know that there is a problem with the quality of a batch of plates, or the concentration of...

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  • Overview of Domestic Printing Equipment 20-11-03

    Overview of Import and Export of Domestic Printing Equipment From January to April 2020, the import of printing equipment was US$516 million, a decrease of 19.4% compared with the same period last year. Among them, pre-press equipment imports were US$14.13 million (down 16.2% year-on-year), printing equipment imports were US$451 million (down 19.7% year-on-year), and post-press equipment imports were US$50.21 million (down 17.4% year-on-year). In April, printing companies and equipment and equipment manufacturing companies in various places (except Hubei) have basically resumed work. However, due to the fact that the overseas epidemic has not been effectively controlled, coupled with the influence of factors such as poor transportation and supply chain disconnection, the overseas order fulfillment rate has dropped significantly. In this issue, the import and export of printed matter, printing equipment, and printing equipment have decreased at the same time, which is a reflection of the current operating status. Compared with the same period last year, both imports and exports of domestic printed matter decreased in this period, but the decline in exports (-40.2%) was far greater than the decline in imports (-10.8%); although the imports and exports of printing equipment and printing equipment were both at The state of decline, but the decline in imports is greater than that in exports. Imports of printing equipment fell by 19.4%, exports fell by 11.8%; imports of printing equipment fell by 8.5%, and exports fell by 2.0%. The first two items with the largest changes in the import sub-items were printed matter (ticket printed matter -22.6%, office printed matter -21.1%), printing equipment (flexo printing machine-43.8%, book binding equipment-43.9%), printing equipment (PS Version -30.8%, water-based inkjet ink-27.4%). The first two items with the largest changes in the export sub-items were printed matter (office printing material-68.6%, ticket printing material-65.0%), printing equipment (gravure printing machine -25.7%, offset printing machine 18.9%), printing equipment (flexible plate material) 11.6%, PS version -9.0%). With the gradual improvement of the new crown pneumonia epidemic, the dynamics of the international industrial chain and its impact on the domestic printing industry have begun to attract industry attention. The Ministry of Commerce recently stated at a regular press conference that the international industrial supply chain is formed by the long-term selection of enterprises in the process of economic globalization, reflecting the advantages, division of labor and cooperation of various economies around the world. At present, China has not seen the withdrawal of foreign capital and the relocation of the industrial chain and supply chain. Can such a statement relax the industry's hanging heart a little?

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  • Digital Photopolymer Flexo Plate--New Product 16-06-15

    Good news! We finally launch new product that is digital photopolymer flexo plate after we made series of test during long time. We got many good comments on the product's quality performance from clients.  Comparing with analog flexo plate,digital plate needn't to print film and put printed film onto analog plate. In this case,you can save some prodcution cost and production time. Besides,our engineer will provide technical guidance timely if you have some problems.   For the digital plate series,we have 1.14mm,1.7mm,2.54mm,2.84mm 3.18mm and 3.94mm thickness plate. These digital flexographic printing plate can be used to print Film、Label、flexible package、Carry bag、Folded paper box,Beverage package printing and varnish,Napkin etc. 

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products
3.94mm thickness black digital flexographic resin photopolymer plate
  • Item NO.:

    ALD-DR394-III
  • Payment:

    30% T/T deposit,70% T/T before Shipping
  • Market Price:

    76
  • Price:

    76
  • Product Origin:

    CHINA
  • Color:

    Black
  • Shipping Port:

    Shanghai
  • Lead Time: 

    15 workdays
contact now
Product Description

1.Item

3.94mm thickness black digital flexographic resin photopolymer plate

 

2.Description

1)Excellent dot and isolated line reproduction

2)Solid printing performance

3)High latitude of exposure and processing

4)Good ink transfer

5)High impression


3.Technical parameters

Use: Flexo Printing                            Material: Photosensitive Resin

Style: Negative                                    Type: Flexographic Printing Plate

Brand Name: AOLIDE                      Place of Origin: China (Mainland)

Model Number: DR394-III                  Color: Black

Thickness: 3.94mm                           Rigidity(Shore A): 36-38

Maximum line line/inch: 100                    

Recommend relief depth(mm): 1.8-2.0 

Image reproduction: 2%~98%

Minimum isolated line: 0.2mm (0.008inch)

Minimum isolated dot: 0.4mm(0.016inch)

Main Application:Label、 Flexible package、Carry bag、

Folded paper box、Napkin、Beverage package


4.Process Parameters

Type:DR394-III                                  Thickness(mm):3.94

Back exposure(seconds):50-70     Main exposure(minutes):12-20

Rinsing(minutes):5-8                        Minimum drying time(hours):1.5-2

Detackfying(minutes):5-8                Post exposure(minutes):5



Free sample can be supplied before you place order!


Mb & whatsapp:0086 15051421690

Skype:szaolide001



inquiry now
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