Laboratory papers and test filters

In laboratories we are known for providing superior service, reliability and high quality products and are recognized worldwide as a leading custom manufacturer and converter of filtration, absorbent and specialized web materials. We offer a full line of high quality laboratory filtration products including qualitative and quantitative filter papers, glass and quartz filters, membrane and syringe filters for microfiltration applications, extraction thimbles and other filters for specialized applications.

LabSorb™ surface protection paper

Ahlstrom LabSorb™ coated paper is a double-layered surface paper protecting benches and working areas from spilled chemicals, corrosive materials and toxic, infectious or radioactive substances.

Macrofiltration

Ahlstrom manufactures a series of high-purity qualitative and quantitative laboratory filters recommended for analytical and gravimetric analysis.

Microfiltration

Ahlstrom offers a new premium range of membrane filters and syringe filters to accommodate a variety of samples matrices for sample preparation and testing purposes.

Micro-glass & micro-quartz filters

Ahlstrom offers a wide range of binder-free glass and quartz microfiber filters dedicated to environmental analyses as water and air monitoring.

pH indicators and pH strips

Ahlstrom offers a range of pH indications and pH strips for rapid determination of pH and other conditions.

PM2.5 PTFE membrane with PP ring

Ahlstrom offers PTFE membrane with PP ring ideal for air pollution control including dust monitoring and chemical analysis.

ReliaDisc™ membrane filter

Ahlstrom offers a premium range of sterile microbiological monitor membranes and non-sterile membrane filtration media.

ReliaMAX™ syringe filters

Ahlstrom offers a variety of high-performing syringe microfilters for sample preparation and particle removal.

ReliaPrep™ syringe filters

Ahlstrom offers a wide variety of syringe filters for convenient sample preparation and fluid sterilization.

Seed testing papers

Ahlstrom offers seed testing papers made of cotton linters and/or pure cellulose, not containing any substances which could influence the growth of seeding.