Very thin stone Fire Test Data
| Class | Testing Method | Class-Criteria | Additional Classific. |
| A1fl | prEN ISO 1182 (1);
And |
ΔT ≤ 30°C; und
Δm ≤ 50%; und tf = 0 (i.e. no continuous burning) |
. |
| prENISO 1716 | PCS≤ 2,0 MJ/kg (1)and PCS ≤ 2,0 MJ/kg (2) and PCS ≤ 1,4 MJ/m2 (3)and PCS ≤ 2,0 MJ/kg (4) | . | |
| A2fl | prEN ISO 1182 (1);
Or |
ΔT ≤ 50°C; and
Δm ≤ 50%; and tf ≤ 20s |
. |
|
prEN ISO 1716; and |
PCS ≤ 3,0 MJ/kg (1) and PCS ≤ 4,0 MJ/m2 (2) and PCS ≤ 4,0 MJ/m2 (3)and PCS ≤ 3,0 MJ/kg (4) |
. | |
|
prEN ISO 9239-1 (5) |
Critical heatflow (6) ≥ 8,0 kW/m2 |
Development of smoke (7) |
|
|
Bfl |
prEN ISO 9239-1 (5) und |
Critical heatflow (6) ≥ 8,0 kW/m2 |
Development of smoke (7) |
|
prEN ISO 11925-2 Wear = 15s |
Fs ≤ 150mm within 20s |
. | |
|
Cfl |
prEN ISO 9239-1 (5)and |
Critical heatflow (6) ≥ 4,5 kW/m2 |
Development of smoke (7) |
|
prEN ISO 11925-2 (8) Wear = 15s |
Fs ≤ 150mm within 20s |
. | |
|
Dfl |
prEN ISO 9239-1 (5) and |
Critical heatflow (6) ≥ 3,0 kW/m2 |
Development of smoke (7) |
| prEN ISO 11925-2 (8) Wear = 15s |
Fs ≤ 150mm within 20s |
. | |
|
Efl |
prEN ISO 11925-2 Wear = 15s | Fs ≤ 150mm within 20s | |
|
Ffl |
-1
For homogenous Building materials and substantial parts of homogenous building materials
-2
For every external part of any homogenous building material
-3
For every non-substantial component of non-homogenous building materials
-4
For the complete product
-5
Test period = 30 min.
-6
Critical heat flow is the lower of the two figures, or
Heat flow after a test-period of 30 min. (i.e. the figure, which is correspondent with the lowest spread of fire)
-7
s1 = Smoke ? 750% minutes
s2 = not s1
-8
Flame applied to the surface and if valid for the use as an edge-product.