Ironclad is a 3.7% ferric phosphate slug pellet manufactured in the UK using British wheat.
Ironclad is manufactured by Doff Portland, in Nottingham, manufactures of slug pellets since 1946. Over recent years, Doff have invested significantly in the trials and related studies necessary to obtain the Ironclad authorisation along with developing the Duratech manufacturing process.
Duratech is an advanced steam extrusion process, balancing moisture and temperature to achieve starch gelatinisation. This creates a reliable, robust and rainproof pellet with excellent longevity in field conditions.