Expanfo™ is a revolutionary Ammonium Nitrate Fuel Oil explosive available in the low density Expanfo™ 200 – (Poured 0.68-0.74 kg/l) and normal density Expan™ 300 – (Poured 0.73-0.80 kg/l). Expan™ has the inclusion of microspheres results in prills with special properties which favourably influence the performance in Ammonium Nitrate Fuel Oil (ANFO) and Heavy ANFO explosive products. Expanfo™ is available in Multi bag (4 x bags per package) for ease of handling underground.