Quality |
Application |
Resistant to |
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| Acid | Alkali | Temperature 0c | Hydrolysis | organic solvents | |||
| contin. | peaks | ||||||
PE/PE(Polyester) |
Mining, Cement Industry, Iron- and Steel Industry, Wood Industry, Ceramic Industry, Asbestos Ind., Gravel Mills, Plastic and Pigment Industry, (Application fields under dry con- ditions and at temperatures below 150° C) | 1 | 4 | 150 | 150 | 5 | 3 |
DT/DT(Polyacrylo- nitrile) |
Asphalt Factories, Spray Dryers, Lime – and Plaster Industry, (Application fields under humid conditions at temperatures below 130 °C) | 2 | 2 | 120 | 125 | 2 | 3 |
PP/PP(Polypropylene) |
Food Industry, (Milkpowder, sugar, flour) Detergent Industry, (Application fields at tempera tures below 100 ° C} | 1 | 1 | 90 | 95 | 1 | 4 |
NO/NO(aromatic Polyamide) |
Asphalt Plants, Iron Works, Cement and Lime Industry, Metal Alloy Smelting Plants, Ceramic Industr y, (Application fields at conditions below 200 ° C) | 2 | 2 | 180 | 200 | 3 | 1 |
TF/TF(Polytetrafluorethylene) |
Carbon Black Industry, Coal fired Boilers (Stoker), Refuse lncineration, (all applications with extreme chemical attacks at temperatures up to 280 ° C) |
1 | 1 | 260 | 280 | 1 | 1 |
GL85(Fibreglass) |
Coal fired Boilers (fluidized Bed and PC), Electro-Smelting Ovens, Cupolas (Applications in the,fields of Nomex” where this is not resistant due to extreme chemicaVhydrolytical attacks) | 2 | 3 | 220 | 250 | 2 | 2 |
RY/RY(Polypheny- lenesulfide) |
Coal fired Boilers (fluidized Bed and PC), Chemical Industry, (Applications at elevated chemi- cal and hydrolytical attacks) | 2 | 2 | 170 | 190 | 1 | 1 |
1 – excellent, 2 – good, 3 – generally good, 4 – mediocre, 5 – bad Note: The corresponding samples are in our catalogue ,.Sample-Finishes” |
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Fields of Application of Needlona filter felts
