Welcome to Porous Materials, Inc.
Porous Materials, Inc. is the leading designer and manufacturer of custom scientific instruments for characterization of porosity, pore diameter, pore volume, pore surface area, liquid permeability, gas permeability, density, and integrity testing. PMI also provides consulting services to seek out solutions for characterization of porosity and analysis of porosity. The testing services division of PMI offers contract testing services for a wide variety of tests.
- PMI offers many different types of products to service a wide array of industries.
- We offer many different types of tests with our in-house testing services.
- The May 2009 Short Course has now ended. To view some photos of the event, see the Short Course section of our website. Our next course will be held during the first full week in October, and you may register at any time.
- Advanced Pressure Products is PMI's sister company. APP develops the most advanced and efficient pressure and flow control technology for various applications
- PMIAPP Europe offers our European clients and potential customers a chance to view both PMI and APP products on one website.
- View our new and innovative products.
- PMI now offers a company newsletter. Sign-up today and, and you'll be kept up-to-date on our newest machines, Short Course information, and our travels.
Latest News
New brochure & product page for PMI's latest technology
We now have available on our website information on our latest technology - the Gas Permeation Analyzer. To view more on this product, please view its product page, or click here to view a brochure of this machine.
For more information on this or any of our products or services, please feel free to contact us.
Featured Products
Cartridge Bubble Point Tester
The cartridge bubble point tester accommodates cartridges having a wide range of sizes, facilitates quick and easy loading and unloading of
cartridges, performs speedy high volume testing, measures pores on all sides of the cartridge, conserves the wetting liquid by circulating from a storage tank, and ventilates the sample chamber. It has many applications throughout the filtration industry.
For more information on this product, please contact us.


