The man is recovering in hospital from injuries to his face and and foot.
The incident happened early Thursday morning while about 30 locked-out employees were picketing outside Robert Transport — a business affiliate of Kronos.
Despite the incident, ten workers were back on the picket line today across from a Kronos plant in Varennes, Que.
On Friday, locked-out employees told CBC’s Thomas Daigle that they were able to capture the scene on video because they film everything while they are picketing in case they are accused of wrongdoing.
The 47-year-old SUV driver has been released from custody. He is scheduled to appear in court on Dec. 6 and could face charges of assault with a weapon.
About 300 workers from the Kronos Boucherville plant have been locked out since negotiations broke down June 15.
The company specializes in the production of titanium dioxide pigments, which are used in plastics and construction materials.