Casting ring inserts / muffle fleece, 5cm, 25m roll, 1 pc.

Made of flexible, ceramic fleece, easy to insert. A material thickness of 41mm for the ideal expansion of today's investment materials, prevents cracking and makes devesting easier. The thermal and physical properties of the investment materials are not affected. Non-flammable. Asbestos-free. Roll 50mm x 25m in a dispenser box