Sika Sigunit Powder K High Performance Powder Accelerator For Dry Mix Shotcrete

A ready to use alkali free accelerator in powder form for use with dry gunite mixes. It allows spraying to take place even on wet surfaces subject to slight infiltration.

Sika® Sigunit® Powder K reacts in the mix to assist the hydration process, resulting in greatly accelerated strength development within the first 24 hours. Other benefits include :

• Speeds up the job
• Improved water tightness
• Reduced rebound

Usage: Sika® Sigunit® Powder K is suitable for dry shortcrete / gunite mixes of both concrete and mortar such as those required for :

• Tunnels and galleries
• Securing rock-faces
• Embankment and excavations
• Thin section concrete shells
• Swimming pools
• Concrete repair-work
• Strengthening concrete structures

Advantages: Sika® Sigunit® Powder K reacts in the mix to assist the hydration process, resulting in greatly accelerated strength development within the first 24 hours. Other benefits include :

• Speeds up the job
• Improved water tightness
• Reduced rebound
• Better adhesion to areas of slight seepage
• Chloride free and does not corrode the reinforcement
• Improves overhead spraying
• Compatible with many types of cement including low alkali cement
• Good early strength