Glass Fiber Syringe Filters Disc, 1.0um, 142mm, Nonsterile, 25/Pk
GVS SKU: 1215582

Featuring a hydrophilic borosilicate glass fiber depth medium, these 142mm membrane discs provide a 1.0um nominal particle retention for clarifying heavily loaded aqueous samples and protecting downstream final filters. The borosilicate glass fibers are woven into a porous matrix and bonded with an acrylic resin, producing a depth medium that reduces media migration and delivers the structural strength required for high-volume aqueous filtrations. The large surface area of the depth structure provides outstanding impurity retention capacity combined with low filtration resistance and fast flow.

Key Glass Fiber Media Characteristics

• Naturally hydrophilic borosilicate construction that wets out readily for aqueous filtration without prewetting.
• 1.0um nominal particle retention suited to high particulate loads rather than absolute screen filtration.
• Acrylic resin binder that reduces media migration and supports filtrations of long duration under pressure.
• Biologically inert and autoclavable, with high resistance to oxidizing agents and weak acids.
• High dirt-holding capacity with fast flow, ideal for extending the life of final membranes used as a prefilter.

Key Construction Characteristics

• 142mm disc format in a plain (ungridded) grade.
• 1.0um pore size (GVS G25 grade glass fiber with binder).
• Nonsterile and supplied 25 discs per pack.
• Maximum operating temperature of 165 degrees C for the bound glass fiber medium.

These discs deliver consistent, reliable clarification of difficult, particle-laden samples while maintaining sample integrity through low-extractable depth filtration. The combination of high loading capacity, fast flow, and thermal stability makes the medium a versatile choice for prefiltration and analytical work. Each disc provides dependable retention performance across demanding laboratory filtration processes.

Diameter

142mm

Grade

Plain

Grid (Yes/No)

No

Material

Glass Fiber (GF) with Binder

Maximum Operating Temperature (°C)

165

Membrane Color

White

Pack Count

25

Pore Size (µm)

1

Prefilter (Yes/No)

Yes

Sterility

Nonsterile

Wettability

Hydrophilic

• Prefiltration of Heavily Loaded Samples Captures large particles and high particulate loads to extend the life of downstream final membranes.
• Sample Clarification Clarifies turbid aqueous solutions quickly using the high dirt-holding depth structure.
• Environmental Sample Preparation Supports water and air pollution monitoring where high particulate capacity and fast flow are needed.
• Gravimetric and Analytical Filtration Provides consistent retention for particulate-matter analysis and analytical determinations.
• Protein and Culture Filtration Clarifies protein solutions and algae or bacteria cultures ahead of finer filtration steps.
• High-Volume Aqueous Filtration Withstands long-duration filtrations under pressure thanks to the binder-strengthened matrix.