Filter Paper Grade 1, 125mm – Pack of 100

Student grade filter paper 125mm is a versatile laboratory filtration paper suitable for routine classroom experiments, liquid clarification and basic separation techniques.

Designed for educational laboratories and science classrooms, this Grade 1 filter paper provides a balanced combination of particle retention and filtration speed. It is widely used for clarifying liquids and performing qualitative separations of precipitates such as lead sulphate, calcium oxalate and calcium carbonate. The larger 125mm diameter makes it suitable for use with larger funnels and filtration setups.

Key Features

• Grade 1 filter paper for routine laboratory and classroom use
• Suitable for medium retention and medium flow rate applications
• Ideal for liquid clarification and filtration experiments
• Widely used for qualitative analytical separations
• Compatible with standard laboratory filter funnels
• Suitable for school, tertiary and teaching laboratories
• Supplied in a convenient pack of 100 sheets

Educational Benefits

• Supports learning of filtration and separation techniques
• Develops practical laboratory skills and scientific methodology
• Demonstrates particle retention and filtration principles
• Suitable for chemistry and general science investigations

Specifications

• Grade: 1
• Diameter: 125mm
• Shape: Circular
• Pack Size: 100 sheets
• Particle Retention: 9µm
• Initial Filtration Speed: 155 seconds / 100mL
• Thickness: 0.20mm
• Weight: 87g/m²
• Dry Bursting Strength: 89kPa