Alro logo Alro Steel was established in 1948 by Al and Robert Glick and has grown to include Alro Plastics, Alro Industrial Supply and Alro Metals Outlet.

Alro Plastics Product: SustaPEI MG (Ultem® PEI)

SustaPEI MG (Ultem® PEI)


SustaPEI MG Colors

Size and Availability:

Sheet / Slab stock:
- Thickness: 1/4”thk to 4”thk (standard increments)
- Sheet sizes: 24”x 48”

Rod / Round stock:
- Diameters: 1/4”dia to 6”dia
- Rod length: Varies by diameter

SustaPEI MG (Ultem® PEI)  SustaPEI MG (Ultem® PEI)
SustaPEI (Ultem® 1000) is an amorphous polyetherimide and is one of the most commonly used high performance materials. It offers excellent thermal performance and high mechanical strength and stiffness. It is inherently flame retardant, possesses good resistance to acids and is capable of operating continuously in steam and hot water.


  • Low thermal expansion
  • High dielectric strength
  • Inherently flame retardant
  • Continuous use temperature of 340°F
  • Hydrolysis resistant
  • Highly resistant to acid solutions
  • Capable of withstanding multiple autoclave cycles
  • High strength and rigidity at elevated temperatures


  • Fluid handling manifolds & connectors
  • Electronic / Electrical insulators
  • Medical devices
  • Analytical instrumentation
  • Semiconductor components
  • Aircraft components