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TEST | NORM | EN459 VALUES |
St ASTIER VALUES |
Frequency | St.ASTIER Frequency |
|
Fineness | EN196-6 | residue by mass 0.09mm/0.2mm <15%/<5% |
5-7% |
daily |
daily |
|
Free water | EN459-2 | NHL2/3.5 <2 NHL5 <1 |
<2 <1 |
monthly |
monthly |
|
Soundness (Expansion) |
EN459-2 | <2 | <1 | once a day | several times per day |
|
Bulk density Kg/dm3 |
EN459-2 | NHL2 0.4-0.8 NHL3.5 0.5-0.9 NHL5 0.6-1.0 |
0.56 0.61/0.65 0.66/0.75 |
monthly |
each product batch |
|
|
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Penetration |
EN459-2 | >20mm <50mm |
>20mm <50mm |
monthly | weekly | |
Setting time | EN459-2 | >1h/<15h | >3h/<10h | 2 per week | 2 per week | |
Air content | EN459-2 | <20 | <20 | monthly | monthly | |
Compressive Srength NHL2 NHL3.5 NHL5 |
EN459-2 | 28 days N/mm2 2 to 7 3.5 to 10 5 to 15 |
2 to 3 3.5 to 6 5 to 9 |
weekly | continuously | |
SO3 content % |
EN196-2 | 3* |
0.45/0.65 |
monthly |
continuously |
|
*up to 7% admissible if soundness is demonstrated at 28 days of water curing | ||||||
Available Lime |
EN459-2 minimum values |
NHL5 3% NHL3.5 9% NHL2 15% |
15-20% 22-26% 50-55% |
weekly | each product batch |
|
Other tests regularly performed by the St. Astier Research
& Development Dept: CO2 contents after each burning to regulate slaking, Tensile strength, Elasticity moduli, Adhesion, Workability (flow table), Whiteness. |