Exceptional Filtration for Diverse Applications

The Qualitative Filter Paper, measuring 11 cm in diameter, is designed for a variety of laboratory applications, particularly in chemistry and biological research. This standard qualitative grade 4 filter paper is ideal for routine clarification processes, enabling quick and efficient cleanup of biological samples and organic extracts. Its fast flow rate and coarse retention capabilities make it suitable for filtering musts in wine making, ensuring a high-quality end product. Additionally, the filter paper excels in high air flow collection, effectively capturing large particulates in fast-moving air or fumes, making it a versatile tool for various laboratory environments.

Manufactured by ZENPORE CHARM PRINTING HK CO., LTD, this filter paper is crafted from high purity alpha-cellulose and cotton fiber, ensuring low ash content and minimal impurity dissolution. With a pore size of approximately 20 microns, it provides rapid filtration while maintaining structural integrity, even under demanding conditions. Whether used for general qualitative analysis, liquid purification, or analytical separation, this filter paper is an essential component for any laboratory seeking reliable and efficient filtration solutions.

Key Features

• High-quality qualitative grade 4 filter paper, equivalent to Whatman standards.
• Fast pre-filtering capabilities for biological samples and organic extracts.
• Ideal for wine making and filtration of musts.
• Excellent for high air flow collection, capturing large particulates effectively.
• Coarse retention with a fast flow rate, retaining precipitates of 20-25 microns.