| 摘要 |
The present invention relates to a high temperature heater whose surface is coated for preventing the contamination of a product due to a surface scale of the heater when the surface of an injection product is adjusted. The heater according to one embodiment of the present invention includes a heating unit and a coating layer which is formed on the surface of the heating unit by a coating composition which includes silica oxide, an aromatic solvent, and zirconium compounds. |
