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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Aug 06,2026
Packaging printers face a fundamental choice when selecting printing plates: hard plates or flexible printing plates? The answer depends on your substrates, run lengths, design complexity, and press c
Jul 29,2026
Packaging printers face a unique set of demands: short runs, frequent design changes, a growing variety of substrates, and pressure to switch to water-based inks. Traditional printing plates often str
Jul 20,2026
A pressroom that routinely loses plates to edge damage, light fogging, or developer contamination is not suffering from a manufacturing defect in most cases. The culprit is almost always found upstrea
Jul 13,2026
A flexo plate that loses fine highlight dots or develops surface cracking after a few thousand impressions is rarely defective from the factory. In most cases, the damage began long before it appeared

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