STP-SL Double layer Thermal CTP Plate

STP-SL Double layer Thermal CTP Plate has high chemical resistance when printing. Designed to provide printers with excellent prepress productivity and high run lengths without post-baking. With high sensitivity and resolution, it is suitable for reproducing up to 20 μm FM random screens. STP-SL is suitable for a variety of printing such as packaging with or without UV inks, metallic or conventional inks, and can achieve long run lengths without post-baking.
STP-SL Double layer Thermal CTP Plate
Key Features
Holds the finest detail without the need to back mask
Quick wash out
Requires minimum impression settings, giving good balance between solids and screens

High sensitivity / high productivity.

High stability in tonal reproduction.

Long runs on press without post-baking.

Resistant to UV inks and solvents.

Low consumption of developer and replenisher.

High compatibility with different developers.

Technical specifications
Type Positive working thermal
Substrate Electromechanical grained and anodized aluminium
Coating Color Blue
Plate Gauges 0,15 / 0,15 P / 0,20 / 0,30 / 0,40 mm
Application Sheet-fed and Coldset / Heatset web presses
Laser Characteristics IR - Infrared laser
Spectral Sensitivity 800-830 nm
Energy Required 100-110 mJ/cm²
Screen Reproduction 1 - 99% @ 400 l.p.i.
Resolution Up to 5080 d.p.i. and FM screen 20 µm
Safelight Daylight handling
Development Use Strong developers and replenishers
Processing Conditions Temperature: 23 ±1℃
Dev. Time: 30±5 seconds
Finishing Gum Use Strong Gum for standard process
Run Length 150.000 impressions – UV ink
400.000 impressions – Conventional ink
Shelf Life 18 months
Storage Conditions Temperature: Up to 30˚ C
Relative Humidity: Up to 70%

*Run-Length varies with its printing conditions and imaging content

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