The Positive UV-CTP Plate is a plate material specifically designed for the printing industry, utilizing ultraviolet (UV) technology for image generation in computer-to-plate (CTP) systems. Unlike traditional computer-to-camera (CTCP) plates, the Positive UV-CTP Plate uses ultraviolet light instead of visible light to expose the plate, resulting in higher image quality and significantly reducing maintenance work. This makes it more cost-effective and efficient for commercial printing.
The surface of the Positive UV-CTP Plate is coated with a photosensitive polymer resin that reacts to ultraviolet light. During the digital printing process, the plate is exposed to UV light and developed, similar to traditional film processing, but without the need for chemical developers. This technology not only improves image precision but also enhances the environmental sustainability of the production process.
The Positive UV-CTP Plate is compatible with a variety of substrates, including plastic, paper, metal, and cardboard, demonstrating exceptional adaptability and broad application potential.
| Plate type | Positive UV-CTP plate |
| Gauges | 0.15/0.20/0.25/0.30/0.40mm. |
| Aluminum Substrate | anodized aluminum substrate.(1060, 1050A, 1100 H18) |
| Application | commercial sheetfed and rotary press printing. |
| Spectral sensitivity | 350-460nm UV, especially 400-410nm UV laser. |
| Platesetter | Compatible with mainstream UV-CTP platesetter in the market. |
| Exposure energy | 30-35mW (Corey UV-4632CI platesetter, parameters 1000 rpm). |
| Resolution | 2 to 98% @ 250lpi (Platesetters in different resolution will have difference). |
| Processor | Compatible with mainstream processor in the market |
| Working conditions | Operating temperature 21-25 ℃ (room temperature), relative humidity 40-60% |
| Storage condition | Storage temperature 15-27 ℃, relative humidity 25-60%. 18 months, in the recommended storage conditions. |
| Run length | UV ink ≥ 50000 impressions . ordinary ink ≥ 200, 000 impressions. baked ≥ 500, 000 impressions Actual run length will have differences according to press/paper/ink/chemicals conditions |
Higher Stability and Durability
Compared to traditional printing methods, Positive UV-CTP Plates offer superior stability and durability. The UV-sensitive coating on the surface of the plate is highly resistant to scratches and moisture damage, significantly enhancing the plate's longevity. This reduces the need for frequent plate replacements or concerns about damage or fading caused by environmental factors like moisture, extending the lifespan of the printing plates.
Lower Production Costs
Using UV-CTP plates can substantially reduce production costs compared to traditional printing methods. Traditional methods require the use of inks or toners for image transfer, while UV-CTP technology uses ultraviolet light to directly generate images on the plate, eliminating the need for expensive materials. This not only saves on ink and toner consumption but also reduces waste production, helping to control costs.
Improved Print Quality
Since UV-CTP plates do not rely on ink or toner during the plate-making process, the image precision and detail are significantly better than with traditional printing methods. The UV-sensitive coating can directly convert digital images into high-precision patterns, avoiding issues such as ink spots and uneven coating commonly seen in traditional printing. Therefore, prints made with UV-CTP plates have finer, clearer, and more consistent results, making them ideal for commercial and packaging printing, where high print quality is essential.
Higher Production Efficiency
The production process for UV-CTP plates is more efficient than that for traditional printing plates. Traditional plate-making often involves complex exposure, development, and chemical treatment steps, whereas UV-CTP plates form images on the plate directly through ultraviolet light, eliminating the need for additional chemical processing. This makes the production process simpler and faster, significantly reducing plate-making time and increasing production efficiency.
Environmentally Friendly
Compared to traditional plate-making methods, UV-CTP plates offer significant environmental advantages. They do not require chemical developers or other hazardous substances, reducing environmental pollution. Additionally, the ultraviolet exposure equipment required for production is relatively eco-friendly, avoiding the generation of large amounts of chemical waste typically produced in traditional plate-making processes. This aligns with modern companies' commitment to green production and sustainability.
Higher Precision and Consistency
UV-CTP plates generate images through digital processing, ensuring consistent printing precision across all plates and eliminating image deviations caused by manual operation or equipment wear, which is common in traditional methods. Whether for long or short print runs, UV-CTP technology maintains high consistency, ensuring that each batch of prints is identical.
Lower Maintenance Requirements
UV-CTP plates are more durable than traditional printing plates and do not require frequent maintenance or cleaning. Traditional plates often need regular cleaning and maintenance to prevent the buildup of ink or other materials, but the special coating on UV-CTP plates reduces such issues, significantly lowering the maintenance workload for operators.
UV CTP plates are primarily used for offset and flexographic printing. Below is a summary of the key characteristics of UV CTP plates:
| Feature | Description |
| Photopolymer Coating | The surface of the UV CTP plate is coated with a thin layer of photopolymer that cures under ultraviolet light, forming a hard, durable coating with good gloss and opacity. |
| Simple Production Process, High Efficiency | The production process does not require traditional etching or chemical development. Ultraviolet light directly cures the polymer, saving time and costs while improving production efficiency. |
| Excellent Ink Adhesion | The plate's surface coating bonds strongly with ink, preventing uneven ink adhesion or peeling, improving the quality and clarity of printed images. |
| Better Image Quality | It provides fine, clear, and consistent printing results, especially for high-resolution images and intricate designs, avoiding the potential deviations found in traditional plates. |
| Environmentally Friendly with Low Maintenance Requirements | No need for chemical developers or hazardous substances, meeting environmental standards. The plate's surface is durable, reducing the frequency of cleaning and maintenance, thus lowering labor and maintenance costs. |
| Strong Compatibility | UV CTP plates are widely used in offset and flexographic printing and are compatible with various inks and press types, meeting diverse printing needs. |
1. Rich Particle Layers, Smooth Coating, Fast Photosensitivity
This UV CTP plate has a rich particle layer and a uniform coating structure, which results in more detailed and well-defined image reproduction. The smooth and uniform coating ensures that the ink adheres evenly to the plate surface, preventing print quality issues caused by uneven coating. The photosensitivity is extremely fast, enabling the exposure process to be completed quickly, which increases production efficiency. The excellent dot reproduction ensures clear detail, making it ideal for high-precision printing needs. Additionally, the plate has good tolerance, meaning it can maintain stable image quality even when operating conditions vary during exposure and development.
2. Wear-Resistant Particles, Precise Dimensions, Excellent Dot Reproduction
The photopolymer particles on the plate surface exhibit excellent wear resistance, allowing the UV CTP plate to endure high-intensity use without easily wearing out, thereby extending its lifespan. The particle size is precisely controlled, ensuring that image details are perfectly rendered and avoiding image blurring or unclear dots caused by uneven particle distribution in traditional plates. The excellent dot reproduction ability ensures accurate rendering of fine graphics and text, enhancing print quality. Moreover, its excellent ink-water balance performance ensures better ink compatibility during printing, contributing to stable print results.
3. Economical Printing, Fast Photosensitivity
UV CTP plates offer an efficient printing process, and their fast photosensitivity speeds up the production of plates, reducing overall production costs. The quick photosensitivity also means that valuable time and resources are saved during high-volume production, delivering greater economic benefits.
4. Unique Smooth Photosensitive Coating, High Sensitivity
The photosensitive coating on UV CTP plates uses a unique formulation that is smooth and highly uniform, effectively improving the plate's photosensitive response sensitivity. This high sensitivity ensures the accuracy of the exposure process and allows the development process to be completed in a shorter time, reducing production cycles. The high sensitivity also ensures precise image generation, whether for high-precision printing or reproducing complex patterns.
5. Excellent Dot Reproduction
The UV CTP plate excels in dot reproduction. Thanks to its fine particle control and uniform coating structure, it can precisely reproduce intricate dots, ensuring the clarity and perfect presentation of image details. Even under high-precision printing requirements, the plate consistently produces fine dots, ensuring that print results are not affected. It is ideal for printing complex designs and high-resolution images.
| Question | Brief Description |
| What is a CTP Plate? | A CTP (Computer-to-Plate) plate is a printing plate made directly from digital files, used in modern offset printing production, eliminating the traditional film-making process. The digital data is directly transferred to the plate system, exposed, and an image is created. |
| What is Thermal CTP? | Thermal CTP uses a thermal laser to expose the plate, causing the chemical coating to react and form an image. Thermal CTP plates generally require no chemical treatment, providing high-precision, high-quality prints. |
| What are the Advantages of CTP? | The advantages of CTP include high efficiency, cost savings, excellent print quality, eco-friendliness, fast delivery, and consistency. CTP reduces waste, improves the quality of prints, and simplifies the production process. |
| What is the Difference Between Conventional Plate and UV CTP Plate? | UV CTP plates use ultraviolet light to create images directly from digital files, unlike conventional plates, which require manual processes such as film, plate exposure, and chemical development. UV CTP technology offers higher precision, consistency, and faster plate production. |
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