BONE ASH ( natural) 5lb

CAS# 68439-86-1 Ca5(OH)(PO4)3 is a calcium-rich chemical made from concentrated animal bones. Bone ash occurs when bones calcinate when heated at high temperatures. DICALCIUM PHOSPHATE (DCP). Used in the casthouse to fill cracks, patch holes and cover make and break? or moveable joints. It has many attractive attributes including its ease of use, low cost and non-wetting characteristics. 44 micron ;325 mesh