Fine-grained, one-component PCC repair mortar based on sulphate-resistant cement for repairing a defect in concrete, with a grain size of up to 2 mm and a thickness of the applied layer up to 4 cm. Resistant to aggressive environment in exposure class XA 1 - XA2. It can be used as a PCC II and SPCC mortar. It is used in the system repair and re-profiling of concrete surfaces of all types, in repairing industrial floors and screeds, in leveling and protection of concrete surfaces. The mortar can be applied by hand or by spraying. It is a component of the Koester KB-Cret concrete repair system.

Technical data

• gray powder figure
• grain size up to 2 mm
• layer thickness 6-50 mm
• bulk density 1.30 g / cm ³
• mortar density 1.91 g / cm ³
• compressive strength after 1/3/7/28 days 10/21/32/48 N / mm ²
• flexural strength after 1/3/7/28 days 2.1 / 3.8 / 5.1 / 8.2 N / mm ²
• shelf life +10 C / + 23 C / + 30 C 90 min / 60 min / 25 min
• mixing ratio with water 3.75-4.5 l of water per 25 kg bag Koester KB-Cret 20 HS
• application temperature from +5 C to +30 C
• consumption about 19 kg / m ² for a thickness of 1 cm
• package 25 kg