This CoorsTek® porcelain combustion boat is glazed inside and out, except for the outside bottom surface, and has a 12mL capacity. CoorsTek® porcelain & ceramic labware has excellent thermal-shock resistance. Refractory qualities include a fusion point of 1670°C and a softening point of 1400°C. Loaded Temperature Limit of Use (Glazed): 1150°C. Evacuated Temperature Limit: 1300°C. Material: Porcelain. Capacity: 12mL. Dimensions (L x W x H): 100 x 20 x 13mm. CoorsTek® #: 60036.