Zoltek Corporation

3101 McKelvey Rd.
Bridgeton, MO 63044 US

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Zoltek's mission is to lead the commercialization of carbon fiber and to drive industries forward through stable pricing, supply availability, and advanced technology. Today Zoltek products are lifting industries to higher of levels of performance.

As Seen In CompositesWorld

Uniti electric car

Zoltek to provide carbon fiber for Uniti electric cars
The two companies have signed a partnership agreement in which Zoltek will be the preferred supplier of carbon fiber for Uniti’s line of electric cars.

Zoltek expands carbon fiber operations at Hungarian facility
Zoltek will increase the plant’s production capacity by 50% to 15,000 tons produced annually.

voith roving applicator

Voith unveils digital carbon fiber manufacturing line
Patented production line used to produce the carbon fiber reinforced plastic rear panel for the new Audi A8.

Voith Composites automated composites production for Audi A8 rear wall

Automation, automotive, recycling and more from JEC World 2018
Mass production of automotive composites, recycling and composites in shipbuilding are just some of the themes from this year’s JEC.

Uniti electric car

Zoltek fiber in new electric car
Zoltek Corporation (St. Louis, MO, US), a producer of low-cost industrial grade carbon fiber, has its PX35 carbon fiber featured on the new Uniti electric car currently making waves in Sweden.

Webinar: Low-cost carbon fiber composites for automotive
CompositesWorld is presenting a free Zoltek-sponsored webinar on Sept. 27 at 2:00 p.m. EDT titled, “How to Produce Affordable Carbon Fiber Automotive Parts.”

Toray resin compound base to locate at Zoltek Hungary
Zoltek Companies, Inc. (St. Louis, MO, US), a producer of low cost industrial grade carbon fiber, will house the newest Toray operation, a PPS resin compound production facility, on the Zoltek property in Nyergesújfalu, Hungary. 

SMC in transportation

SMC: Old dog, more tricks
In the sheet molding compound renaissance, the advent of new resins and compounds are broadening the definition and application of this versatile family of composites.

IACMI launches new project to optimize resins and sizings for vinyl ester/carbon fiber
The project will develop vinyl ester resin/fiber sizing/carbon fiber combinations that are styrene-free and that have room temperature storage capability of at least three months and cure times less than three minutes.

SMC: Old dog, new tricks
A sheet molding compound renaissance highlights new reinforcements, new fillers, new matrices, new opportunities.

Zoltek to expand carbon fiber production in Mexico
This expansion project, together with existing carbon fiber capacity at the Hungary facility, will grow Zoltek’s total global capacity to more than 20,000 tons per year.

OOA composites in next-generation launch systems
As United Launch Alliance ULA replaces Atlas and Delta with next-generation launch rockets under the Vulcan name, supplier Ruag Space has been selected to provide lower cost/improved quality out-of-autoclave fabrication of Vulcan’s composite primary structures. Ruag will manufacture 5.4m payload fairings and 400-series interstage adapters for ULA’s Atlas V rocket.

Composites in Class A body panels: Evolution continues
Low-density SMCs lead the way as fiber-reinforced polymers make headway in auto components that must please the eye.

CAMX 2016 preview: Zoltek
Zoltek (St. Louis, MO, US) a manufacturer of industrial-grade carbon fiber, will highlight its PX35 product line, a low-cost industrial grade carbon fiber in various product forms, including tow, chopped, milled and pultruded plate.

Zoltek names new CEO
Effective May 18, 2016, Yoshihiro Takeuchi took over as president, COO and CEO of Zoltek Companies.

Aerospace growth climbs with carbon fiber
The business case for carbon fiber in narrowbodies has become a lot stronger now that these operational benefits are in evidence.

Carbon/epoxy Cadillac hood
Automated process for prepreg hood inner/outer cuts weight by 20% and yields Class A exterior out of the autoclave.

The composites super cycle — are we still living the dream?
Predicted before the 2008 recessionary crash, the super cycle’s foundations were to be built on an increasing use of composites in aircraft. How did it play out?

Fiber reinforcement forms (2017)
Fibers used to reinforce composites are supplied directly by fiber manufacturers and indirectly by converters in a number of different forms, which vary depending on the application. Here's a guide to what's available.

Supply and demand: Advanced fibers (2017)
Demand for advanced fiber, virgin and reclaimed, is on an upswing after a dip during the recent recession. Fiber suppliers are gearing up to meet an expected increase in demand as manufacturers in a number of composites end-markets scale up or start up part development and production programs

Product Categories of Zoltek Corporation

Automated fiber placement machines
Carbon
Carbon, 8-harness
Carbon, Chopped strand
Carbon, Milled fibers
Carbon, Multiaxial
Carbon, Other
Carbon, Other
Carbon, PAN-based
Carbon, Plain-weave
Carbon, Roving, gun
Carbon, Stitched (knitted, nonwoven)
Carbon, Twill
Carbon, Woven roving
Carbon, Yarns
Conductive fillers
Epoxy, 12-inch tape
Epoxy, 250 F cure, 12-inch tape
Epoxy, 250 F cure, 60-inch tape
Epoxy, 250 F cure, Fabric
Epoxy, 250 F cure, Roving
Epoxy, 60-inch tape
Epoxy, Fabric
Epoxy, Roving
Epoxy, toughened, 12-inch tape
Epoxy, toughened, 60-inch tape
Epoxy, toughened, Fabric
Epoxy, toughened, Mat
Epoxy, toughened, Roving
Filament winding machines and software controls
Impregnation lines
Other organic fibers
Other, Chopped strand
Other, Mat, chopped strand
Pultrusion equipment, thermoplastics
Pultrusion equipment, thermosets