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 The vacuum formed shapes produced with this formula have a homogeneous and fibrous structure. This allows easy machining without the use of special tooling.
 The unique formulation incorporates special refractory elements to develop better mechanical resistance without altering the thermal characteristics.
Organic free formula guarantees neither fume nor odours on the first fire and good mechanical properties after exposition to the service temperature.
According to the specific requirements this formula can be based on:
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The majority of our products are manufactured according to the specific needs of our customers. Some characteristics on the formulation like density, surface hardness and others are modified depending to the specific customer requirements. For this reason, the technical data is considered as standard but it can vary according to the specific application.
PSB products can be designed with different inserts, surface treated or totally rigidized. |
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PSB Products
PSB with High temperature mineral wools |
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| Turbulator |
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| Boiler door |
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| Heating |
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| Characteristics |
PSB8(1) |
PSB9 |
| CLASSIFICATION TEMPERATURE (º C) |
1150 |
1200 |
| MAX. WORK TEMPERATURE (º C) |
900 |
1000 |
| DENSITY (Kg/m3) |
300 |
300 |
| SHRINKAGE (%) after 24 hours at 1000º C: |
1,5 |
1,1 |
| MODULUS OF RUPTURE (Kg/cm2) |
10 |
10 |
| CHEMICAL ANALYSIS APPROX.(%) : |
Al2O3 |
17 a 22 |
28 a 32 |
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SiO2 |
50 a 56 |
53 a 59 |
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CaO + MgO |
15 a 18 |
8 a 10 |
| THERMAL CONDUCTIVITY (W/M º C): |
400 ºC |
0,07 |
0,07 |
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600 ºC |
0,08 |
0,08 |
| THERMAL CAPACITY (Kj/kg º C) |
1 |
1,05 |
| VOLATILE ELEMENTS (%) |
0 |
0 |
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(1) Product free from ceramic fibres. It is exonerated from classification as a carcinogenic in accordance with note Q of Directive 97/69/CE.
The values indicated represent the averages obtained in the normal manufacturing process and are not a specification. |
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PSB with bio soluble fibers |
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| Heat storage |
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| Wood Boiler |
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| Liquid Proof Shape |
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| Characteristics |
PSB11E |
PSB12E |
| CLASSIFICATION TEMPERATURE (º C) |
1100 |
1260 |
| MAX. WORK TEMPERATURE (º C) |
1000 |
1200 |
| DENSITY (Kg/m3) |
300 |
270 |
| SHRINKAGE (%) after 24 hours at: |
1000 ºC |
2,7 |
- |
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1200 ºC |
- |
2,3 |
| MODULUS OF RUPTURE (Kg/cm2) |
8 |
7 |
| CHEMICAL ANALYSIS APPROX. (%) : |
SiO2 |
63 a 69 |
70 a 78 |
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CaO+MgO |
20 a 24 |
12 a 16 |
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AL2O3 |
8 |
8 |
| THERMAL CONDUCTIVITY (W/M º C): |
400 ºC |
0,08 |
0,08 |
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600 ºC |
0,10 |
0,10 |
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800 ºC |
- |
0,15 |
| THERMAL CAPACITY (Kj/kg º C) |
1 |
1 |
| VOLATILE ELEMENTS (%) |
0 |
0 |
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Product free from ceramic fibres. It is exonerated from classification as a carcinogenic in accordance with note Q of Directive 97/69/CE.
The values indicated represent the averages obtained in the normal manufacturing process and are not a specification. |
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PSB with refractory ceramic fibers |
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| Metalurgy |
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| Steel Industry |
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| Furnaces |
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| Characteristics |
PSB12 |
PSB14 |
| MELTING POINT (º C) |
1700 |
>1700 |
| CLASSIFICATION TEMPERATURE (º C) |
1260 |
1430 |
| MAX. WORK TEMPERATURE (º C) |
1150 |
1300 |
| DENSITY (Kg/m3) |
300 |
300 |
| SHRINKAGE (%) after 24 hours at: |
1100 ºC |
1,8 |
- |
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1300 ºC |
- |
1,3 |
| MODULUS OF RUPTURE (Kg/cm2) |
10 |
10 |
| CHEMICAL ANALYSIS APPROX. (%) : |
Al2O3 |
35 a 40 |
28 a 32 |
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SiO2 |
58 a 64 |
56 a 62 |
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Zr2O3 |
- |
8 a 12 |
| THERMAL CONDUCTIVITY (W/M º C): |
400 ºC |
0,08 |
0,08 |
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600 ºC |
0,09 |
0,09 |
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800 ºC |
0,12 |
0,14 |
| THERMAL CAPACITY (Kj/kg º C) |
1,1 |
1,12 |
| VOLATILE ELEMENTS (%) |
0 |
0 |
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