... 1.45g/cm), thermostability(115°C)3. high speed and efficiency, the engraving speed can reach to 20m/min ... 2040 etc size for a choice. industries and materials: Wood: can process cabint, wood door, soild wood, plate-type, windows, table, chairs, ... engrave on man-made stone, wood, bamboo, marble, acrylic, double-colored board beautiful drawings and letters. Parameters: Working size: ...