Sindanyo® L21 is a portland cement based insulation material that has been formulated to provide a long campaign life in demanding thermal and electrical applications, where high strength in a machined format is required.
L21 is asbestos free, has good insulation properties and is non-combustible. It has low thermal conductivity which ensures consistent thermal performance. Sindanyo® products have good compressive and mechanical strength which is retained when operating towards their maximum service temperatures. L21 also possesses very good impact resistance, toughness and can be intricately machined.