GVS Filter Paper, Disk, 90mm, Low Ash-Medium, Grade 01, 100/PK FP090DME01QALC01

Quantitative ashless filter discs designed for critical laboratory filtrations and gravimetric analysis. These 47 mm, ashless, very-slow retention discs (Grade 42) provide very slow flow with high retention for analytical precipitates and extremely difficult filtrations. Typical uses include quantitative analysis and filtration of fine analytical precipitates requiring low ash and stable performance.

Key Features:

• Type: Disc
• Diameter: 47 mm
• Grade: Quantitative (Grade 42)
• Box quantity: 100 per pack
• Retention range: 2–3 µm
• Filtration time (distilled water): 292 seconds
• Thickness: 160 µm; Weight: 100 g; Wet bursting strength: 52 kPa

Advantages:

• Very slow flow with highest retention for reliable capture of fine precipitates.
• Ashless composition suitable for analytical and gravimetric determinations where low residue is required.
• Hardened construction and measured wet bursting strength for improved mechanical performance during filtration.
• Supplied in standardized 47 mm discs in packs of 100 for consistent, repeatable laboratory use.