Certificates of Conformance and Lot Traceability Helped Spacecraft Valve Manufacturer

Quality system ensures valve manufacturer receives consistent documentation with their material shipments

valves case studyA manufacturer of spacecraft valves and regulators was having trouble obtaining certificates of conformance and lot traceability documentation for the PCTFE and DuPont™ Vespel® Polyimide rod stock that they were buying. Their plastic supplier was an industrial distributor who did not have experience with the stringent quality documentation required by the aerospace industry.

Aerospace Industry Requires COCs and Lot Traceability

The valve manufacturer’s quality engineer contacted the local Curbell sales office to discuss the problem. The engineer worked with Curbell’s sales and quality management teams to define their documentation requirements and develop a solution. Curbell used procedures in our ISO 9001 quality system to ensure that each shipment of the customer’s plastic rod stock had the necessary documentation.


We provide customers with machined parts, fabrication solutions, and cut-to-size materials for any application.

Working with Specialized Industries Since 1942

Not sure which materials best fit your needs?

Our experienced sales and technical teams are available to assist you with material selection challenges.

stacked sheets, rods, and tubes of acetal in various colors

Research Materials

We carry an extensive inventory of plastic sheets, rods, tubes, film, tapes, adhesives and more from highly qualified manufacturers.

Engineer technician designing drawings of mechanical parts

Specialized Services

We provide value for our customers with inventory programs, troubleshooting, traceability, process efficiencies, and more.

Acrylic sheet carving machine with a Flatbed cnc machine

Fabrication & Machined Parts

Curbell supplies fabricated and machined plastic parts manufactured via CNC routing, milling, vacuum forming, die cutting, and more.

Smiling woman
Have a Question?
Curbell Plastics, Inc. Unauthorized use is strictly prohibited. All other trademarks, service marks and logos used herein are property of their respective owners. All rights hereto are retained by Curbell Plastics and any third party owners of such rights. All statements, technical information and recommendations contained in this publication are for informational purposes only. Curbell Plastics, Inc. does not guarantee the accuracy or completeness of any information contained herein and it is the customer's responsibility to conduct its own research and make its own determination regarding the suitability of specific products for any given application.

©2024 Curbell Plastics, Inc. All rights reserved.

California Transparency in Supply Chains Act | Terms & Conditions | Privacy Policy