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
p-d-2.png
Holds the finest detail without the need to back mask
p-d-3.png
Quick wash out
p-d-4.png
Requires minimum impression settings, giving good balance between solids and screens
Advantage

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

Recommended Products
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 exce...
CTP-G Double layer Thermal CTP Plate
The CTP-G double-layer thermal CTP plate is manufactured on modern, fully automated production lines. It has high sensit...
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 adv...
Latest updates
View all news
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...

GET A QUOTE

GET IN TOUCH NOW
Captcha Code
We value your privacy
We use cookies to provide you with a better online experience, analyse and measure website usage, and assist in our marketing efforts.
Accept All