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1050 1060 1070 Pre-coated photosensitive sheet substrate
In the printing industry, PS sheet (pre-coated photosensitive sheet) refers to a sheet made by coating a non-silver photosensitive (thermal) resin layer on an aluminum substrate sheet. For photosensitive sheet substrates, 1050, 1060, 1070, 1050A aluminum sheets are used because of their excellent conductivity, corrosion resistance and good processing properties to ensure image quality and durability during printing.
The 1 series printing sheet base aluminum sheet belt produced by MC Aluminum has excellent surface quality, high cleanliness and no defects. The heat treatment process is used to make the steel belt have excellent heat-resistant softening properties to prevent material deformation. Electrochemical treatment is used to ensure consistent surface roughness.
1 series aluminum sheet base specifications:
| Alloy | 1050, 1050A, 1060, 1070 |
| Temper | H18 |
| Thickness | 0.13-0.4mm |
| Width | 500-1600mm |
| Length | 500-16000mm |
| Inner diameter of coil | 150-510mm |
| Application | positive PS sheet, thermal CTP sheet, photosensitive CTP sheet and UV-CTP sheet |
Mechanical properties of PS sheet base:
| Alloy | Temper | Tensile strength (MPa) | Elongation Ａ50mm（%） |
| ≥ | |||
| 1050,1050A,1060,1070 | H18 | 150 | 1 |
| H16 | 130-170 | 2 | |
Advantages of 1 series aluminum plate for PS sheet:
Aluminum plate has the advantages of low density, high strength, moderate wear resistance, good formability, high stability and good surface treatment, which is very suitable for manufacturing CTP plate base and PS plate base.
Types and uses of pre-photosensitive sheet substrates:
| Product Categories | Abbreviation | Application |
| Conventional printing PS base | Conventional printing plates and strips | Aluminum substrate for printing on ordinary paper such as newspapers and books |
| Color printing PS base | Color printing plates, ribbons | Aluminum substrate for illustration, color printing paper and special paper printing |
| CTP printing PS plate | CTP plates and strips | Aluminum substrate for computer-to-plate (CTP) printing |
The quantitative indicators of aluminum sheets for PS mainly include chemical composition, shape and size accuracy, mechanical properties at room temperature, unevenness, surface roughness, etc. The aluminum sheets and strips produced by MC Aluminum have precise dimensions, uniform and dense sand layer, accurate control of trace elements, and zero surface defects, which can meet the production requirements.