Concrete additive Sika® Einpresshilfe EH-1

for mortar

Additive in powder form for the production of injection grout mortars, technical grouts as dry mortar or as construction site mixture. Expansion pressure to fill cavities Flowable consistency No water segregation Usage For the manufacture of grout for pre-stressed elements in accordance with DIN EN 445 - 447 For grouting in and filling cavities in concrete, masonry or rock For anchoring in ground, tunnel and mining Advantages Flowable consistency Expansion pressure, thereby complete filling of the cavities Complete coating of the pre-stressed steels Lower water demand Better dispersion of the cement Introduction of smallest micro-pores No water segregation Sufficient workability times Packaging 15 kg bags, 40 bags/pal; Box: 40 bags à 0.5 kg Colour Powder / Light brown APPROVALS / CERTIFICATES Complies with EN 934-4; DoP-No. 11892884; Plant-No.1180 Contains only components according to DIN EN 934-1: 2008, Annex A.1 Applicable in all EU countries. Composition Aluminium powder additive mix Shelf life Minimum 18 month shelf life in sealed packaging. Storage conditions Store as dry and air sealed. Total chloride ion content ≤ 0.10 % Recommended dosage 0.2 - 1.2 % of the cement weight Consumption For dry mortar application, the addition is made in the dry mix. Indicative recipe for approx. 36 l site mix grout: 50 kg CEM I 42.5 R, 20 l water, 500 g Sika® Einpresshilfe EH-1 (1 small bag) Sika® Einpresshilfe EH-1 is either mixed in with the cement in the rotating mixer or mixed in as last. Uniform mixing of the grout must be guaranteed with the appropriate mixing intensity and mixing time.