Instant purchase OK ■ Features This inorganic admixture is for mortar floors, walls, and concrete floors, offering excellent early strength and long-term durability. It has frost resistance due to its setting acceleration effect at low temperatures. (※It is not an antifreeze.) It is also effective for thick mortar and sash filling mortar work. Packaging: 800g x 24 bags / box Plastering / Trowel / DIY / Craftsman / Painting / Paint / Adhesive / Primer / Sander / Grinding / Concrete / Metal