Hydraulic Lime is supplied dry in bags for mixing with a sharp, washed, well graded sand on site.
NATURAL HYDRAULIC LIME NHL 5
- Conforms to European Norms EN 459 and BS 459
- Strength factor: 5 (Eminently hydraulic)
- Residue @ 0.09 mm: 7%
- Density (volumetric weight) typical: 700 gr. / litre
- Available (free) lime Ca(OH)2 after slaking: 20-22%
- Shelf life: 8-12 months kept sealed and dry
- Contains no additives.
- Whiteness index: 67
- Surface cover (cm2per gram): 8000
- Expansion : < 1mm
- Residue of quick lime after slaking: < 1%
- Packing: 30kg. Bags
| MORTARS |
Compressive strengthN/mm2 |
Elasticity Moduli (Mpa) |
| MIX RATIO |
EN459* |
1 : 2 |
1 : 2.5 |
1 : 3 |
1 : 2 |
1:2.5 |
1 :3 |
| 7 DAYS |
|
1.96 |
1.00 |
0.88 |
n/a |
n/a |
n/a |
| 28 DAYS |
5* |
2.20 |
2.00 |
1.5 |
10800 |
1100 |
10000 |
| 6 MONTHS |
|
7.31 |
5.91 |
5.31 |
18000 |
17050 |
16900 |
| 12 MONTHS |
|
9.28 |
8.84 |
6.50 |
18510 |
17280 |
16150 |
| 24 MONTHS |
|
10.81 |
8.81 |
7.8 |
21500 |
18020 |
17430 |
Consumption for 1m3
of mortar Kg. +/- 10% |
|
350 |
280 |
233 |
|
|
|
| EN 459/BS 459 ( mortar ratio 1:1 by volume, with ISO 679 Sand) |
Mixing: can be mixed in cement mixers.
Application by spray gun: possible. Please consult us.
Working temperatures: not below 5oC or above 30oC. Make sure that high suction materials are thoroughly dampened before application. Avoid rapid drying due to high temperatures or strong winds by curing with a light water mist several times a day if necessary.
SUITABLE FOR LATH WORK / LIME CONCRETE/INJECTION/GROUTING See relevant sheets
Reworking: possible within 8 hours
Mortar composition: MASONRY/POINTING/CAPPING/MASS WALL BEDDING/ FOUNDATION/SEA DEFENCE WALLS/CHIMNEY STACS/NEW BUILD (Masonry)
Depending on the conditions of the support/background, the fineness of the sand and the size of the joints, binder : sand ratio values vary between 1: 1.5 to 1: 2.5
Choose well graded sands (3 or 4mm down to 75 microns).
RENDERING
A. Scratch coat (3 - 5mm) 1 VOLUME OF NHL 5 : 1.5 VOLUMES OF SAND Cast on recommended
B. Undercoat (15-20mm) 1 VOLUME OF NHL 5 : 2 VOLUMES OF SAND * (1:2.5 max)
*At this dosage the consumption is approx 0.4 kg. of NHL 5 per m2 for each mm of thickness
C. Finishing (5-10mm) USE NHL 3.5 OR NHL 2, see relevant sheets
Contact us for more information