What is marble burning surface
After burning, hot and cold due to uneven shrinkage, the surface will have small pieces of spalling, the formation of a natural surface morphology, the industry called fire board!Fire board generally used for exterior wall.
A processing method of granite fire board, the natural granite sawing plate on plate surface after initial grinding, beginning after grinding arranged on a fixed frame, the initial surface after grinding of flame spraying, characterized by flame spraying using acetylene, oxygen, spray evenly on the surface of the flame moves in the moving speed per second, 120 ~ 20 ~ 250 mm, is a spray mouth and surface distance of 40 mm, and each other angle, flame temperature is 800 to 1000 DEG C, flame spraying of water before the first sheet.
Also called the fire board, but only granite without burning fire board, marble.
