Hard filter paper No.4A 100 sheets 01411285 1 box (100 sheets)

The surface of the filter paper is hardened, making the paper strong, with a smooth surface and almost no fiber separation. Suitable for pressure and vacuum filtration. Product name: No.4A Size (mm): Φ285 Thickness (mm): 0.12 Quantity: 1 box (100 sheets) JIS standard: JIS P 3801 Type 4 Bursting strength: 224kPa pH range: 0-14 Uses: Collection of precipitates on the surface of filter paper, filtration of fine barium sulfate, colloidal aluminum hydroxide, etc. Weight: 96g/m2 Wet burst strength: 52kPa Retained particle size: 1 μm Drainage time: 915s Ash content: 0.025% Water absorption: 4cm Maximum operating temperature: 120℃ RoHS2 (EU)2015/863 compliant [About RoHS]