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lithographic offset printing plates

lithographic offset printing plates
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Product Name:lithographic offset printing plates
Place of Origin:Peoples Republic of China
Post Date:August 13, 2009
Edit Date:August 13, 2009
Company Name :
Henan Al Group Co., Ltd.
Tel:0086-371-69350258
Fax:0086-371-69350278
Add:Jinshui Road
Detailed Product Description:
  • Model Number: 0.15mm,0.20mm,0.25mm,0.30mm,0.40m...
  • Place of Origin: Henan, China
  • Brand Name: algroup
  • Style: Positive
  • Type: PS Plate
  • Use: Offset Printing

1)Stable quality
2)fine resolution
3)high sensitivity
4)long run length

PS Plate (Printing Plate,Presented Plate)

Product specification:

Positive PS Plate (Pre-Sensitized Plate)

Thickness : 0.15mm,0.20mm,0.25mm,0.30mm,0.40mm, most commonly used: 0.15mm, 0.20mm, 0.27mm, 0.30mm.

Charastics of our plate:

1.Multiple graining layer with fine structure, high resolution and good tone .reproduction.

2. Good sensitivity,good developing latitude, good exposure ability and fine water receptivity.

3.Oxidation layer ensuring good water retaining and durability.

4. Gas leading layer reducing the time required for evacuation and preventing the formation of an indistinct image during printing.

Production feature:

Electrolytic process ensures that the graining cells of the plate are well distributed,the ballace of water- ink reached rapidly and maintained in the printing .

Oxidation process  makes the aluinum substrate hard and durable, which is greatly improve water retaining and durability of the plate.

PS PLATE GUILDE

Adopting Japanese KOYO coating production line and imported fine aluminum coil, our PS plate is stable in quality and excellent in performance.

Our plate has

1. High sensitivity,good developing latitude and good water receptivity.

2.Multiple graining layer with fine structure, high resolution and good tone reproduction.

3.Oxidation layer ensuring good water retaining and long press life.

4. Gas leading layer reducing the time required for evacuation and preventing the formation of an indistinct image during printing.

Recommended Guide

Exposure

1.      In actual usage, user shall decide the appropriate exposure time according to the light type, power, lights new or old degree and focus of the light.

2.      The soft plate density shall not less than 3.8

3.      If user uses 13 grade continuous tone step scale/Gradient to decide the optimum time of exposure, the color plate shall be exposed to 0.6 (grade 4), proofing plate shall be exposed to 0.45 (grade 3)

4.      After preliminary decision on the exposure time, user operates exposure, development, observe if 2% tone and 10um component of forces are adopted well to each other, then make rectification or settle sown.....

 

 

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