Alro logo Alro Steel was established in 1948 by Al and Robert Glick. Today, Alro is comprised of Alro Steel, Alro Metals, Alro Plastics and Alro Metals Outlet.

Alro Plastics Product: MC® 901 NYLON
(Cast Nylon/Heat Stabilized Nylon)

NYLON Family Page

Size and Availability:

Sheet / Plate:
- Thickness: 3/16" to 4" thick (standard increments)
- Sheet sizes: 24" x 48" standard all,
   48" x 120" offered in a few select thicknesses

Rod / Round:
- Diameters: 2" dia to 12" diameter
- Lengths: 2" to 4" dia, 5 foot lengths
- Lengths: 4.25" to 6" dia, 4 foot lengths
- Lengths: 6.25" dia and up, 1 foot lengths

Tubing / Bushing stock:
- Diameters: 2" to 18" OD (many different IDs offered )
- Lengths: 13", 26", and 78" depending on OD/ID size

MC® 901 is a heat stabilized cast nylon offering long-term thermal stability to 260°F. It is blue in color and used in a variety of bearing and structural applications such as wheels, gears and custom parts. MC® 901 is a registered trade name of Quadrant EPP.

MC® 901 cast nylon exhibits all the properties which generally make nylon a superior engineering material: high strength, low friction and wear resistance. However, because of the casting process, part size and thickness are almost unlimited without degradation of the materials internal structure.


  • High impact resistance
  • Excellent vibration resistance
  • Resistance to brittleness and deterioration
  • Easily machinable and abrasion resistant
  • High heat distortion temperature


  • Bushings and bearings
  • Gears and sprockets
  • Wear rails, pads and strips
  • Pulleys and sheaves
  • Conveyor wheels and rollers
  • Feed screws
  • Star wheels
  • Form tools

Engineering Note:

Nylons can absorb up to 7% (by weight) water under high humidity or submerged in water. This can result in dimensional changes up to 2% and a corresponding reduction of physical properties. Proper design techniques can frequently compensate for this factor.