Why is it beneficial to use Plasticiser in your mortar mixes? Because it does several things like:
• It creates a smoother mix and helps the particles coagulate better together
• Improves the workability of the mortar making it easier to spread
• It aids adhesion of the mortar to the bricks
• Reduces the amount of water required which improves the freeze resistance
• More flexibility which helps prevent cracking during expansion/contraction