diff --git a/docs/BioConTex Development/03_bom.md b/docs/BioConTex Development/03_bom.md
index f4be9d583f3f86de7fd8cc8d359578751ea33f82..ffeefd9f46793f2c195a1e9c36f7e27c01c5db39 100644
--- a/docs/BioConTex Development/03_bom.md	
+++ b/docs/BioConTex Development/03_bom.md	
@@ -36,4 +36,10 @@
 
 **Bekinox® VS Stainless steel fibers for the anti-static textile industry**
 
-![bekinox VS](../images/bom/bekinoxVS.jpg)
\ No newline at end of file
+![bekinox VS](../images/bom/bekinoxVS.jpg)
+
+## Werkenmetmerken
+
+**Graphite powder
+
+![graphite powder](../images/bom/graphite.jpg)
\ No newline at end of file
diff --git a/docs/images/bom/graphite.jpg b/docs/images/bom/graphite.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..97ff2ad02f5c9327ce59da2b40f1e0f630eaeef7
Binary files /dev/null and b/docs/images/bom/graphite.jpg differ