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| Επισημαίνω: | Oil-Heated Roller energy efficiency,Electric Heating Roller film production,Industrial Roller energy comparison |
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Oil-Heated Roller vs Electric Heating Roller: Which Is More Energy-Efficient for Film Production? Quick Answer A resistance-type electric heating roller converts 75–85% of its electrical input into shell heat, while a complete thermal-oil roller system delivers 65–75% after pump, piping, and rotary-joint losses — so on pure energy, electric wins. But the oil-heated roller holds a far flatter surface temperature (±1–2 °C with spiral channels vs ±5–12 °C for cartridges), which
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