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• EDT technique is a kind of texture method to melt the material on the barrel by spark-discharge between the electrode and the barrel in the insulation liquid.
• The texture pattern has a random distribution. Appearance with different Ra/PC can be achieved by adjusting the pulse discharge data, discharge mode and electrode etc.
• It has a mature technique, high efficiency, a wide roughness range(Ra0.5～10μm), a sound uniformity in texture pattern and reproducibility, no limit by the roll’s material and hardness, a high transmitting rate of Ra/PC.
• Life time of rolls is more than 100% longer.

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