BusinessDesert sand for concrete blocks To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoBusinessAlexa Meyer07/15/2019July 15, 2019Construction is booming across the globe and using ever more concrete. German company Polycare is making a new building material called Polymer concrete that incorporates Namibian desert sand. It is a unique alternative to cement-based concrete.https://p.dw.com/p/3M4okAdvertisement