Precast

Σ80N

Additive for Super High-Strength Concrete


DENKA Σ80N is a special cement additive that allows for the manufacture of high-strength concrete (60~90N/mm²) even when using low cement amounts.

Feature

  • Suitable for precast products used in bridges and high-rise buildings

  • Improves abrasion-resistance to concrete (suitable in dam aprons)

  • Mitigates cracking caused by heat of hydration

  • Increases alkali-resistance (especially where cement volume is high and alkali content exceeds allowable limits)

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