Description
Specifications Table
Product Name – Whatman Grade HGF61 Glass Microfibre Filter
Quantity/Pack Size – 30MMx40M (Pack of 1), 40MMx25M (Pack of 1), 30MMx20M (Pack of 1)
Form – Circular Sheets
Grade – HGF61
Application – High-efficiency filtration, particle retention, air/gas monitoring
Product Overview
Whatman Grade HGF61 Glass Microfibre Filters are engineered for superior filtration performance, combining high flow rates with exceptional particle retention capabilities. Constructed from 100% borosilicate glass microfibres, these filters exhibit outstanding chemical resistance, making them suitable for a wide range of aggressive solvents and corrosive substances. The HGF61 grade is specifically designed to handle fine particulate matter, ensuring consistent and reliable filtration results even under demanding conditions. The uniform fibre distribution and smooth surface enhance filtration efficiency while minimizing clogging, thereby extending the filter’s operational lifespan. These filters are thermally stable up to 500?C, allowing for high-temperature applications without compromising structural integrity. The inherent hydrophilicity of the glass microfibres ensures rapid wetting and uniform liquid distribution, which is critical for accurate and reproducible results. Each filter undergoes rigorous quality control to meet the stringent standards expected in laboratory environments. The availability in multiple dimensions (30MMx40M, 40MMx25M, 30MMx20M) provides flexibility for various filtration setups, from small-scale experiments to larger analytical procedures. The filters are free from binders or additives, ensuring purity and preventing potential contamination of samples. Their robust construction and consistent performance make them a preferred choice for applications requiring precision and reliability in filtration processes.
FAQs
1. What is the maximum temperature resistance of Whatman HGF61 filters?
Whatman HGF61 glass microfibre filters can withstand continuous operating temperatures up to 500?C without degradation, making them suitable for high-temperature applications.
2. Are these filters compatible with organic solvents?
Yes, the borosilicate glass composition provides excellent chemical resistance to most organic solvents, acids, and alkalis, ensuring stable performance across diverse applications.
3. How does the flow rate of HGF61 compare to other glass microfibre grades?
The HGF61 grade is optimized for high flow rates while maintaining fine particle retention, offering a balance between speed and efficiency that surpasses many standard glass microfibre filters.
4. What is the typical particle retention size for these filters?
Whatman HGF61 filters are designed to retain particles down to approximately 1.0 micrometer, providing effective filtration for fine particulate matter in various media.
5. Can these filters be autoclaved for sterilization?
Yes, the glass microfibre construction allows for autoclaving at standard sterilization temperatures (121?C) without affecting the filter’s performance or structural integrity.



