Craze and Crackle Paste is a permanent and archival
acrylic medium that is made to craze or crackle nearly any semi-rigid or
rigid surface. It dries opaque and is flexible.
Here is an abbreviated description from the jar:
"101 Craze & Crackle is a versatile, archival medium that dries
to an opaque, matte and durable finish. It may be blended with various wet
or dry colorants. It is a 100% acrylic polymer emulsion that is water, chemical
and UV resistant....Lines will appear as fine crazing in thin layers and
crackling with thicker layers....Paintable after 24 hours. Uses: Decorators,
collage and assemblage artists, bookmakers and crafters will find 101 Craze
& Crackle to be invaluable as an aging medium on walls, paper mache,
rigid paper surfaces such as mat board and canvas."