Bond It Extra Strength Liquid Mortar Plasticiser 5LA chemically balanced plasticiser, based on synthetic air entraining agents, designed to improve workability of brick laying and plastering mortars and increase their resistance to freeze thaw cycles. Eliminates the need for additional lime to be added to the mix. Reduces the risk of cracking and crazing. Also available on special request, the original wood resin blend (brown). CE Approved.