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positive ps printing plate

positive ps printing plate
Click to see the original picture 		Product Name:positive ps printing plate
Place of Origin:Peoples Republic of China
Post Date:August 25, 2009
Edit Date:August 25, 2009 		Company Name :
Detailed Product Description:
  • SIZES: 0.15mm to 0.30mm
  • Style: Positive
  • Type: PS Plate
  • Use: Offset Printing
  • Material: Aluminum

moderate sand graining, high photographic speed, good dot reproduction, short exposure time, large printing down range

Features Specifications: positive ps plate/ps offset printing plates
Plate TypeConventional Posititve
SubstrateElectromechanically Grained and Anodized Lithographic Aluminium.
AlloyStandard 1050 Alloy.
Gauge Available0.15, 0.25, 0.27(mm)
Maximum Width1,450mm
HandlingPlates are light sensitive. Handle under yellow safelight (uv free) until processed.
Colour ChangeBlue Green to Pale Green
Light Source and ExposureAutomatic plate maker is recommendable. Light source: Iodine-Gallium lamp/Metal halide lamp.                           Exposure Condition - Step tablet: 3 step clear, Power of Light: 4 kw, Time: 30-50 seconds.
1 meter distance between plate and lamp.
ProcessConventional
DeveloperFlying positive developer of universal positive developer is recommended.                                          Dilution - 1 (developer) : 12 (water).
Recommended Developer Temperature18 - 22°C by hand, 20 - 23°C by machine
Development Time30 - 40 seconds 
DeletionConventional Pens
Shelf Life18 - 24 months when stored in a dark, cool and dry space.
Recommended ProcessingAutomatic plate processor is recommended.
Length of Run40,000-100,000 copies of impression.                                                                                                           Depends upon printing condition like press, ink, paper and so on.
Plate Cleaner CompatibilityUniversal Plate Cleaner is recommended.

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