 Prolonged skin contact with antimony dust may cause dermatitis . However , it was agreed at the European Union level that the skin rashes observed are not substance @-@ specific , but most probably due to a physical blocking of sweat ducts ( ECHA / PR / 09 / 09 , Helsinki , 6 July 2009 ) . Antimony dust may also be explosive when dispersed in the air ; when in a bulk solid it is not combustible . 
 Prolonged skin contact with antimony dust may cause dermatitis . However , it was agreed at the European Union level that the skin rashes observed <a href='negative_concord' title='1'><mark>are</mark></a> <a href='negative_concord' title='2'><mark>not</mark></a>substance @-@ specific , but most probably due to a physical blocking of sweat ducts ( ECHA / PR / 09 / 09 , Helsinki , 6 July 2009 ) . Antimony dust may also be explosive when dispersed in the air ; when in a bulk solid it <a href='negative_concord' title='3'><mark>is</mark></a> <a href='negative_concord' title='4'><mark>not</mark></a>combustible . 
Prolonged skin contact witt antimony dust may cause dermatitis . However , it was agreed at the European Union level that da skin rashes observed ain't substance @-@ specific , but most def due to a physical blocking of sweat ducts ( ECHA / PR / 09 / 09 , Helsinki , 6 July 2009 ) . Antimony dust may also be explosive when dispersed in the air ; when in a bulk solid it ain't combustible .