Methods of testing cement - Part 5: Pozzolanicity test for pozzolanic cement

Comment end date 2026-11-05

Export comments Read draft and comment

Project stage codes

1. Decision on WI Proposal

2. Projektas

3. Viešoji apklausa

From 2026-09-06 till 2026-11-05

4. Closure of enquiry

5. Submission to Formal Vote

Organisation

CEN Europos standartizacijos komitetas

ICS

91.100.10 - Cement. Gypsum. Lime. Mortar

Technical Committee

TK 25 Matrix, gypsum and gypsum based products

ForeignTC'S

CEN/TC 51

Number of comments

Comment start date

2026-09-06

Scope

In this document, the pozzolanicity of a cement is assessed by comparing the concentration of calcium ion, expressed as calcium oxide, present in the aqueous solution in contact with the hydrated cement, after a fixed period of time, with the quantity of calcium ion capable of saturating a solution of the same alkalinity.

Relations

Pakeis

prEN 196-5