Filter Paper Grade 4

Product Name : Filter Paper Grade 4
Type : Qualitative Filter Paper
Material : High-quality cellulose fibers
Grade : Whatman Equivalent a Grade 4
Basis Weight : ~ 87 g/mA
Thickness : ~ 0.21 mm
Ash Content : a 0.06%
Retention (Particle Size) : ~ 20a 25 Aum (approx.)
Filtration Speed : Very Fast
Color : White
Diameter / Size Options : Standard: 42.5 mm, 70 mm, 90 mm, 110 mm, 125 mm, 150 mm, 185 mm, 240 mm, 270 mm (custom sizes available)
Moisture Content : a 8%
pH (in cold extract) : Neutral (6 a 7.5)
Temperature Resistance : Up to 120 A C (continuous use)
Applications : a c Rapid filtration of coarse particles a c Collection of gelatinous precipitates a c Used in environmental, agricultural, and food labs a c Ideal for water analysis and fast routine testing