Qualitative filter papers, technical, smooth, grade 4 b
These smooth filter papers are made of refined pulp and linters with more than 95% alpha-cellulose content. The ash content of these filter papers is between 0,1 and 0,15%.
They are used for routine analyses like clarification, determination of substances, but also as discs with a centre hole for technical applications. Grades with a wet burst resistance >30 kPa are referred to as wet-strengthened and are therefore suitable for pressure or vacuum filtration.
Medium fast rate of filtration. Used for general laboratory filtration; essential oils; emulsions; essences; vinegar; extracts; yeasts; salt solutions; spirits; tinctures; water.
- Grado:4 b
- Seq:01
- Taglia:55 mm
- Cat. No.:SARTFT-3-309-055
- Peso:75 g/m²
- Spessore:0,15 mm
- Resistenza allo strappo da bagnato:30 kPa
- Ritenzione delle particelle:8 - 12 µm
- Environmentally Preferable:Produzione a basso impatto
- Certificazione ambientale:Renewable Energy Certificate
- Velocità di filtrazione:22 s
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