Sika Sigunit® P1AF

SIKA P1AF Shotcrete Accelerator

Shotcrete Admixture

Sigunit® P1AF is a water-soluble, alkali free and high-performance shotcrete accelerator in powder form. When dissolved in water it produces an alkali free set accelerator for wet sprayed shotcrete.

Where to Use Sigunit® P1AF is suitable for wet-process shotcreting. The principle applications for Sigunit®- P1AF are:

• Support at the face whilst advancing tunnels and mines.
• Rock- and slope stabilization.
• High quality lining shotcrete.

Advantages

The most outstanding advantages of Sigunit®-P1AF shotcrete accelerator are:

• Alkali-free, avoiding additional leaching of alkalis and pollution of ground and surface water.
• When correctly used, marginal reduction of shotcrete strength.
• Reduction of rebound.
• Easier overhead spraying by improved bond of shotcrete to rock and concrete.
• Reduction of dust formation.
• Chloride-free, suitable for steel reinforced shotcrete and substrates.
• Easy to dissolve on site in time for shotcreting.
• Converting powder to liquid on site, the temperature will rise to approx. 40ºC (104ºF); the warm solution will increase the accelerator effect considerably.
• Lower cost of logistics.

Please refer to TDS and MSDS for detailed information.