... quarrying countries such as Spain, India, Saudi, Brazil, Turkey, Egypt, South Africa, Zimbabwe, Namibia etc.Total 50 containers(1,300 tons)Prostar ... , Tropical Brown 3-4 hours, Tan Brown 5-6 hours, South Africa red less 2-3 Hours.Easily choose type no from ... and safe usage: Just mix Prostar chemical powder with 30% water, pour into holes, and then it expands to crack. It ...