Glass Fiber Membrane Filters, GB-140 Sheets, 8in x 10in

Advantec GB-140 Glass Fibre Filters – High Wet Strength Filters for Industrial Waste Analysis

Advantec GB-140 glass fibre filters are thick, binderless borosilicate filters engineered for industrial waste analysis and applications requiring durability, low absorption, and moderate filtration speed. With a nominal retention of 0.4 µm, these filters provide fine porosity, making them suitable for capturing fine particulates in complex or high-load samples.

Compared to GB-100R, GB-140 offers greater wet strength and slower flow rates, making it a better choice for viscous or particulate-heavy waste samples where structural integrity and consistent retention are critical. The binderless design ensures low extractables and compatibility with high-temperature workflows up to 500°C.

Key Features

• Thick, binderless glass microfiber construction

• Fine porosity with 0.4 µm nominal retention

• High wet strength for robust filtration

• Medium to slow flow rate: 58 mL/min/cm²

• Thickness: 0.56 mm | Weight: 140 g/m²

• Thermal resistance up to 500°C

Common Applications

• Industrial waste and sludge filtration

• HEPA-type air filtration

• Gravimetric analysis of high-particulate samples

• Sample preparation for trace metal and contaminant analysis

Whatman Equivalent: GF/B

Sterlitech Equivalent: Grade B

• Industrial waste and sludge filtration

• HEPA-type air filtration

• Gravimetric analysis of high-particulate samples

• Sample preparation for trace metal and contaminant analysis

Specification

Grade: GB-140

Features & Applications: Compared to GB-100R: Thicker, greater wet strength, slower filtration speed. Industrial waste analysis. HEPA type air filter.

Nominal Retention: 0.4 µm

Thickness: 0.56 mm

Weight (g/m²): 140

Water Flow^a: 58

Max. Op. Temp.: 500°C

Binder: None

Whatman Equivalent: GF/B

a The time in seconds to filter 100 mL of distilled H20 at 20°C under pressure supplied by a 10 cm water column through a 10 cm² section of filter

HS Code / Commodity Code: 7019905140