SIKA Activator -4a - For rapid setting - 20L A liquid that strongly accelerates cement and protects it against aggressive water action (pure marshy selenite, etc.).
Significantly accelerates cement setting
Areas of application: application of coatings on running surfaces, sealing of water ingress, acceleration of mortars
20-litre drum
Appearance/Colour: Slightly amber
Shelf life: 3 years in its original unopened packaging
Storage conditions: protected from frost
Density: approximately 1.13
pH value: 13.1
