203 ACCELERATOR & FROSTPROOFER 25LTR - ACCE25L Accelerator & Frostproofer is a liquid additive formulated to accelerate setting and hardening times of mortar, concretes, screeds and rendering to provide frost protection during the setting period. Effective even in sub-zero temperatures and can also be used in normal temperatures where a rapid set is required and as a plugging admixture
