industrial strength

Short definition from Wiktionary

Adjective

1. 1
   Made for use by businesses or manufacturers, as opposed to home consumers, and therefore typically larger, stronger, more difficult to operate, and less attractive in appearance.
2. 2
   Unusually large or potent.
3. 3
   Having a level of potency, concentration, or durability suitable for industrial tasks, as opposed to merely household tasks.

Noun

1. 1
   Ability or capacity, as related to industry.