POWDERS
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
MORTARS (prepared with standard EU sand/ISO 679 @ 1:1 vol. ratio
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.