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CTP-G Processless Thermal CTP Plate

Brief Introducton
CTP-G is a new green printing product suitable for thermal CTP platesetters. There is no need of any processing steps before mounting exposed plates on press. It can be put on press directly without processing. The plate ensures good performance, such as excellent dot reproduction, wide exposure latitude, good latent image and plate-making stability, and long run length.

Features
1. Negative non-ablation photosensitive system
2. Compatible with the dominant devices in the market
3. Can be printed directly on press without any processing steps after exposed by thermal CTP platesetter
4. Good dot reproduction, stable performance, wide processing latitude
5.Long stability of latent image, can be stored at least a week after plate-making

Technical Specs

Plate characteristics
Plate type Non-ablation thermal negative-type
Substrate Electrolyte graining and anodized Al substrate
Spectral sensitivity 800-850nm
Laser energy 130-150mj/cm2
Platesetter compatiblity Various dominant thermal platesetters in the market
Plate sizes Standard sheet-fed and web sizes
Gauge 0.15mm, 0.30mm
Resolution (depending on platesetter) 1-99% 200Ipi
FM capability 20-micron stochastic, depend on imaging device capabilities,  print application,
and screening algorithms
Run length 100,000 impressions, actual run length depend on image resolution, press, press chemistry, ink and paper conditions
Processing
Without processing, directly on press
Environment
Safelight 1 hour under fluorescent lamp, no direct irradiation with natural light,
4 hours under yellow light
Shelf life 12 months, under recommended storage conditions
Storage conditions The recommended storage conditions are 18-25°C, with 30%-60% humidity. Away from sunlight radiation & direct sunlight, Anti-humidity,Anti-acid & alkali, Pack height no more than 1.5 meters.
Package
Packed in carton with waterproof/lightproof paper and backing paper among the plates to protect them from scraping.
0.15mm, 100sheets/pkt; 0.30mm, 50sheets/pkt

Attention

1. After imaging exposure, the longest time which plate can be placed for without affecting the printing quality is the latent image stabilization.
2. The paper number of start-up is the paper number at loss from the first paper to providing completely clean background.
3. Printing methods: firstly clean the ink on the rubber blanket with washing water, run water roller 30 to 60 seconds, and then close the ink roller to run for 20-40 seconds and finally start paper printing

Application

1. Suitable for sheet-fed offset press or high speed rotary offset press
2. Run length: 100,000 impressions
3. Suitable for different types of traditional inks and fountain solutions, including alcohol’s substitutes as fountain solutions
4. Unsuitable to improve run length by baking plates