Sika® PerFin-305 is a liquid, non-chloride-based concrete admixture used to improve finished concrete surfaces. Sika® PerFin-305 reduces surface defects of the concrete surface.
Sika® PerFin-305 significantly improves quality of the concrete surface. The amount of pinholes, open pores and other surface defects are reduced when Sika® PerFin-305 is utilized in concrete mixes. Sika® PerFin-305 provides the following advantages:
- Concrete with minimum surface defects.
- Improved concrete durability.
- Improved aesthetics and uniformity of concrete surfaces.
- Improved concrete smoothness.
- Reduced risk of rejection due to surface quality related issues.
- Reduced labor needed for surface patching.
- May be used in reinforced and prestressed concrete.
- Does not promote the corrosion of steel reinforcement.