diff --git a/compact/materials.xml b/compact/materials.xml
index 4a1c5605d7aa77a60e2fe5b5d72f1ad108892503..dd89084b2f3c19e9d097085325314a5fdd848753 100644
--- a/compact/materials.xml
+++ b/compact/materials.xml
@@ -342,5 +342,11 @@
     <fraction n="0.0826586" ref="C"/>
     <fraction n="0.0173414" ref="H"/>
   </material>
+  <material name="ZDC_WSciFiMixture">
+    <D type="density" value="10.17" unit="g/cm3"/>
+    <composite n="0.950"  ref="W"/>
+    <composite n="0.009" ref="H"/>
+    <composite n="0.041"  ref="C"/>
+  </material>
 
 </materials>