Filter Paper Grade 1, 90mm Diameter Pack of 100

Grade 1 filter paper 90mm is a versatile laboratory filtration paper designed for routine qualitative analysis, liquid clarification and precipitate separation.

Widely used in school, tertiary and research laboratories, Grade 1 filter paper offers a balanced combination of particle retention and flow rate, making it suitable for general filtration applications. It is commonly used for clarifying liquids and separating precipitates such as lead sulphate, calcium oxalate and calcium carbonate during chemistry practical work and laboratory investigations.

Key Features

• Grade 1 filter paper for routine laboratory filtration
• Suitable for medium retention and medium flow rate applications
• Commonly used for qualitative analytical separations
• Ideal for clarifying liquids and removing particulates
• Suitable for precipitates including lead sulphate, calcium oxalate and calcium carbonate
• Circular format for use with standard laboratory filter funnels
• Suitable for school, tertiary and research laboratories
• Supplied in a convenient pack of 100 sheets

Educational Benefits

• Supports filtration and separation techniques in chemistry
• Helps students understand particle size and filtration principles
• Suitable for practical laboratory investigations and demonstrations
• Develops hands-on laboratory skills and scientific methodology

Specifications

• Grade: 1
• Diameter: 90mm
• 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