Insulating riser sleeve is made of lightweight insulation materials with functions of both insulating and heating. The product can be used as riser topping for iron and steel castings, extending solidification time and extending feeding capacity of riser.
Features: : 1. High calorific value and heat-insulating property. 2. Good spreadability and slag coagulation effect. 3. Control casting shrinkage defects. 4. Increase overall yield of castings. 5. Reduce cleaning and repair costs.