LBN preparation

LBN is an antistringent admixture for concrete that prevents the reduction of concrete volume.

LBN preparation
LBN preparation

Product description

LBN is an anti-shrink admixture for concrete. Used in construction to prepare concrete mixes for filling fence blocks, it effectively prevents concrete volume reduction.

The product is available in 1 litre containers.

Effects

- prevents reduction in concrete volume

Method of application

The admixture is added to the concrete mix by dissolving it in part or all of the mixing water.

cement I/II 42,5
water*
sand
0/2
gravel
2/8
LBN
total
kg
25,0
(bag)
11,5
50,8
61,2

0,25

149
litres
20,8
11,5
30,8
38,2
0,24
102

*The amount of water added depends on the moisture content of the aggregates (sand, gravel) and should be continuously monitored during the preparation of the concrete mix. The resulting concrete mix should have a thick plastic consistency.

Before use, read the information and recommendations on the product label.

Expiration date

12 months from the date of production