Powercrete R65/F1 50 ml Cartridge Cases for Repairs

What is the best way to repair damage to a Powercrete coating (or a factory applied coating)?  Using Powercrete R65/F1 50ml Cartridges of course!  These 1:1 mix ratio 50ml cartridges are sold by the case.  A case contains:

• ​25 each Powercrete R65/F1 50ml cartridges
• 50 each static mixing tips
• 1 dispenser gun