Non-Asbestos Magnesia Block - 6" x 3" x 1-1/2"

This non-asbestos fireproof material is fibrous so it is soft enough that one can pin objects on the surface for perfect soldering. Good for filigree work as surface stays smooth. Lightweight yet durable so it’s easy to ship. Withstands temperatures up to 2000°F. Measures: 6" x 3" x 1-1/2".