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: KETRON® (PEEK) LSG(Life Sciences Grade)


- PEEK LSG – Natural (gray) and Black
- PEEK CA30 LSG – Natural and Black
- PEEK GF30 LSG – Blue
- PEEK Classix - White

Size and Availability:

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

Rod / Round stock
- Diameters: 1/4”dia to 6”dia standard
- Lengths: 4 feet and 8 feet standard

Ketron® PEEK LSG natural / black stock shapes are produced from batches of Victrex PEEK. This material exhibits a unique combination of mechanical properties, temperature and chemical resistance. The composition of the resin used for the production of the Ketron® PEEK LSG stock shapes complies with the regulations that apply in the Member States of the European Union (Directive 2002/72/EC, as amended) and in the United States of America (FDA) for plastic materials and articles intended to come into contact with foodstuffs.

Ketron PEEK LSG stock shapes have also been successfully type tested for their compliance with both United States Pharmacopeia (USP) and ISO 10993-1 guideline requirements for Biocompatibility Testing of Materials, and they come with full traceability from resin to stock shape.

These features, added to an excellent sterilizability by means of steam, dry heat, ethylene oxide, plasma and gamma irradiation, make Ketron PEEK LSG stock shapes very suitable for applications in the medical, pharmaceutical and biotechnology markets.


  • Intrinsic flame retardancy
  • Outstanding rigidity at high temps
  • Continuous use temperature of 480oF
  • Excellent hydrolysis resistance
  • Excellent chemical resistance
  • Good dimensional stability
  • FDA compliant


  • Semiconductor applications
  • Medical device and instruments
  • Surgical instruments
  • Analytical instruments
  • Aircraft interior components
  • Pump rotors and housings
  • Automotive thrust washers