STP-SL Grade A Positive Thermal Ctp Plate

STP-SL Grade A Positive Thermal CTP Plate is a highly sensitive, high-definition thermal CTP printing plate with the advantages of fast exposure, high definition, low chemical pollution, long service life and good repeatability. It is suitable for commercial printing, packaging printing, publishing printing and other fields to meet the requirements of high-quality printing.
STP-SL Thermal CTP Plate
Key Features
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Holds the finest detail without the need to back mask
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Quick wash out
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Requires minimum impression settings, giving good balance between solids and screens
Advantage

High sensitivity / high productivity

Long runs on press without post-baking

Resistant to UV inks and solvents

Low consumption of developer and replenisher

High compatible with different developers

Technical specifications
Type Positive Thermal CTP plate
Spectral Sensitivity 800-830nm
Exposure Energy 120~130 mj/c㎡
Resolution 200 lpi ( 1~99%)
Run-Length 50,000~100,000 (UV-INK )
100,000,~200,000 ( Conventional Ink )

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

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Latest updates
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Oct 12,2026
Plate edge lift is one of the most common—and most frustrating—problems in flexographic printing. When a plate edge lifts from the mounting tape, ink transfers to areas that should be unprinted, causi...
Sep 28,2026
A flexographic printing plate is only as good as the process that made it. Back exposure, main exposure, washout, drying, post-exposure, and detacking—each step builds on the one before. If back expos...
Sep 23,2026
Flexographic printing depends on a precisely controlled sequence of ink transfers: from the ink fountain to the anilox roll, from the anilox roll to the printing plate, and finally from the plate to t
Sep 10,2026
Flexo plate hardness—measured on the Shore A scale—is one of the most important specifications for print quality. A plate that is too soft compresses too much under pressure, causing dot gain and slur...

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