Sikament® N550

High Range Water-reducing and Set Retarding Concrete Admixture

Sikament® N550 is a highly effective superplasticizer with a set retarding effect for producing free-flowing concrete in hot climates. Also, a substantial water reducing agent for promoting high early and ultimate strengths.

Sikament® N550 provides the following properties:

As a Superplasticizer:
Substantial improvement in workability without increased water or the risk of segregation. Long lasting control of slump loss. No adverse effect on ultimate strengths.

As a Water Reducer:
  • Early strengths significantly increased
  • High ultimate strengths
  • Up to 25% water reduction
  • Especially suitable for hot climates
  • No excessive air-entrainment
  • No adverse shrinkage effect
  • Improved surface finish
  • Increased watertightness