Whatman™ Grade GF/A is a binder-free glass
microfiber filter made from borosilicate glass. It combines fine particle
retention, high flow rate, and good loading capacity, making it suitable for
general laboratory filtration, water and air pollution monitoring, biological
sample filtration, foodstuff analysis, protein filtration, and gravimetric
applications.
Available in multiple circular diameters and
pack quantities for different laboratory filtration requirements.
Key Features
Binder-Free Glass Microfiber
– Made from borosilicate glass without binder.
Fine Particle Retention
– Suitable for efficient laboratory filtration and sample clarification.
High Flow Rate & Loading Capacity
– Provides efficient filtration while retaining fine particles.
Multiple Circle Configurations
– Available in standard circle formats as well as selected holder-mounted and
reinforced-rim configurations.
Technical Specifications
* Particle retention rating at 98% efficiency.
** Normalized for 90 mm diameter and measured
under gravity for comparative purposes.
Available GF/A Filter Circles
