... no special supports are required, which simplifies the design of the equipment.Float glass heating elementsThe Kanthal program includes several ... -shape\ W-shape\ single spiral\ double spiral\ Slot In case of any inquiry or order, please kindly state diameter, length ... ,powder metallurgy,glass,metallurgy and machinery,etc. physical properties of elements specific gravity2.6~2.8g/cm3Bend strength >300kg ...