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negative plate

City: Zhengzhou
Province/State: Henan
Tel: 86-371-55967069
Contact Person:
Ms. Emily

negative plate

Place of Origin : China
Brand Name : PANDA
Certification : ISO9001:2008
Model Number : PANDA-N-004
Color : Green
MOQ : 5000SQM
Price : 2.2USD-3.6USD/SQM
Packaging Details : international standard package :carton boxes with reglet in it to reinforce
Delivery Time : within 15days after receiving your deposit
Payment Terms : 30% T/T in advance, and the balance should be paid before shippment
Supply Ability : 5000000SQM/YEAR
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1)stable quality
3)international standard package
4)high color contrast
5)small mini order quantity

  1. Exposure level

(1) Exposing time

The exposing time under 3000W lodine gallium lamp at 1 meter is about 75S. If the power of the lamp and the distance to the plate are different, please expose the plate abiding the data in the following table.

Before Exposing, please notice the efficiency of the vacuum-pumping, the film must be engaged with the PS plate without any cracks, or it will produce some halation, then the halation will influence the dot reproducing and decrease the plate life. So please keep the vacuum degree below 20Kpa.

The lamp distance to the plate must be longer than the diagonal line, and the lamp aligns to the plate positively. Or it will produce the halation and the exposure stage of plate will be non-homogeneous.

  1. Developing

Developer: Fuji DP-4 developer or our company’s PANDA-2 developer

Temperature: 25±1°C Time of Developing: 30+/-10s

The developer’s dilution ratio:

Automatic plate processor: 1:6

Manual plate processor: 1:10

  1. Correction

Please use the image remover to wipe off the unwanted stains. And be sure not to damage the image. When the remover remains on plate for 45S, wipe off it with a piece of soft cloth, then wash it clear by water.

4 Gumming

The gum must be diluted under the manufacturer’s requirements, and the layer should be well-distributed. If the layer is too thin, it will be easy to be dusted and be scratched; if the layer is too thick, the plate is not easy to get the ink, and the text is easy to lose. And if you gum the plate automatically, please control the dry temperature at 60°C.

5 Baking

Baking temperature(Recommended): 230—250°C

Baking time: 6—8 minutes

After baking, please cool the plate naturally, don’t cool it by wind or water, or it would be distorted.

6 Storage

Before exposing: The plates should be stored in the cool (10—30°C), dark and dry place.

After exposing: To avoid the light, and storing under the safety yellow light.

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