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Polypropylene Membranes

Post Date : January 24
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Specifications

Sterlitech polypropylene membrane filters are composed of pure polypropylene

Sterlitech polypropylene membrane filters are composed of pure polypropylene and are available with both absolute pore size ratings and as pre-filters with nominal pore sizes. 

These filters offer broad chemical compatibility allowing its use with aqueous and organic solvent samples. 


Product Characteristics

  • 0.1 to 1.2 µm (micron)
  • 13 mm to 142 mm circles, rectangles or rolls
  • Hydrophobic
Company Related ProductsView the Seller's Products
Polyester (PETE) Membranes

Polyester (PETE) Membranes

Polyester (PETE) Membranes

The resulting membrane is a thin, translucent, microporous polyester film with a smooth, flat surface

Polyester (PETE) Membranes
Polyester (PETE) membrane is made from a thin, microporous, hydrophilic polyester material film with a high degree of solvent resistance. It is ideal for use in blood assays or general filtration where chemically aggressive solvents may be used.

Track Etch Polyester membrane is produced through a two-step proprietary manufacturing process that employs high quality standards throughout production. This unique process allows for increased control over pore size and pore density to ensure the physical properties of each membrane precisely fit customer specifications.

In the first step, thin polyester film is exposed to collimated, charged particles from a nuclear reactor. As these particles pass through the polyester material, they leave sensitized tracks. In the second step, the polymer tracks are dissolved with an etching solution to form cylindrical pores. Varying the temperature and strength of the etching solution, and the exposure time to it, produces precisely controlled pore sizes.

The resulting membrane is a thin, translucent, microporous polyester film with a smooth, flat surface containing pores of controlled diameter and number. The membrane has better solvent resistance than polycarbonate and captures all particles smaller that the precisely controlled pore size on its surface. Sterlitech PETE membrane is ideal for use when analyzing blood samples or particle analysis by microscopy.

Product Characterisics
  • 0.2 to 10 µm (micron), sheets and rolls also available
  • 13 to 293mm
  • Hydrophilic
  • Precise pore size
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Nylon Membranes

Nylon Membranes

Nylon Membranes

Sterlitech Nylon membrane does not require wetting agents that can interfere with biological processes

Nylon Membranes
Sterlitech Nylon membrane is a supported, naturally hydrophilic membrane designed to wet out evenly and retain its superior strength during use in general filtration or medical assays.

Versatile Capabilities, Consistent Performance

Sterlitech Nylon membrane is internally supported with an inert, internal polyester support web giving it added dimensional strength and stability that prevents cracking, tearing, curling and breaking. This added strength and durability is advantageous during usage that involves aggressive handling or automated equipment.

A naturally hydrophilic membrane, Sterlitech Nylon membrane does not require wetting agents that can interfere with biological processes. Additionally, its high surface area successfully immobilizes antigens, antibodies and other proteins. The resulting membrane has a void volume of 70-85 percent for high diffusion and low-flow resistance.

Ideal for use in general filtration, medical assays, protein binding, and can stand up to solvent solutions.

Product Characteristics:
  • 0.1 to 20 µm (micron)
  • 13mm circles to rectangles and rolls
  • Gridded or non-gridded
  • Hydrophilic
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