Orion is a light-cure core build-up material. It has, virtually, unlimited working time. Material is easy to carve and contour, due to it, moderately hard filler. It is moldable, non-sticky yet adhesive consistency. Material has long shelf life at ambient temperatures and its X-ray opaque.
Standard Orion kit is available in natural or contrast shades.
Orion Light-Cured Core Build-Up Material
Dent Zar’s Core Build-Up Materials