Grade 1573 Qualitative Filter Paper Wet-Strengthened, Circle & Roll

Description

These extremely strong filter papers have a high wet strength due to the addition of a small quantity of chemically stable resin. Normal qualitative applications will not introduce any significant impurities into the filtrate. The resins do, however, contain nitrogen so these grades should not be used in Kjeldahl estimations, etc. Some wet strengthened grades are available in folded (prepleated) forms.

Resistant against: sulfuric and nitric acid solutions (up to 40% at 50°C); hydrochloric (up to 10% at 100°C, 20% at 60°C, 25% at 20°C); and alkalis (up to 10% at 20°C). Also available prepleated as Grade 1573 ½.

Parameter	Grade 1573 Qualitative Filter Paper Wet-Strengthened, Circle & Roll
Grade :	Grade 1573
Grade Type :	Wet-Strengthened
Typical Particle Retention in Liquid1 :	25 µm
Typical Thickness :	170 µm
Basis Weight :	88 g/m²
Filtration Speed (Herzberg) :	Approx. 25 s
Properties :	Fast, smooth
Format & Dimensions :	Circle – Ø150 mm, Ø185 mm, Ø290 mm Roll – 70 mm x 80 m, 25.5 mm x 210 m