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1052 aluminum sheet for CTP sheet printing
CTP sheets have the advantages of high printing quality, no environmental pollution, remote sheet making, and on-demand printing. Therefore, the application of CTP sheets has been rapidly developed and has become a trend to replace traditional PS sheets. Aluminum alloy strips have internal defects such as poor surface quality, insufficient flatness, and rough organization, resulting in electrolytic corrosion performance that cannot meet the requirements of high-quality printing.
1052 aluminum sheet belongs to the 1xxx series and is generally known for its high aluminum purity (99.5% or higher). The 1050 series (including 1052) has excellent corrosion resistance, good machinability, and high thermal and electrical conductivity.
Specifications of 1052 aluminum alloy for CTP aluminum sheet base:
| Alloy | 1052, 1050, 1060, 1070, etc |
| Temper | H18 |
| Thickness | 0.13-0.40mm (thickness tolerance: ±0.005mm) |
| Width | 100-1600mm |
| Length | 100-16000mm |
| Application | positive PS sheet, thermal CTP sheet, photosensitive CTP sheet, UV-CTP sheet and other offset printing sheets |
Performance parameters of CTP sheet base:
| Physical properties | |
| Density | 2.71 g/cm³ |
| Thermal conductivity | 235 W/m·K (at 20℃) |
| Melting point | 660°C |
| Electrical conductivity | 59.8% IACS (International Annealed Copper Standard) |
| Mechanical properties | |
| Tensile strength | 60-95 MPa |
| Yield strength | 20-50 MPa |
| Elongation | 20-35% (at 1.6mm thickness) |
| Hardness | HB20-35 (Brinell hardness) |
CTP aluminum sheet base performance advantages:
1. Excellent corrosion resistance
2. Light weight, easy to operate
3. High surface flatness and finish of aluminum sheet
4. Excellent processing performance
5. Reusable, green and environmentally friendly
6. Suitable for high-precision printing