INJECTION MOLDING | PLASTIC TUBING | PLASTIC SHEET I PLASTIC PROFILES

CUSTOM PLASTIC EXTRUSION SOLUTIONS, FOR YOUR UNIQUE PROJECT.

Located In ST. LOUIS, MISSOURI

888-673-4537

Our Services

Expert Manufacturing Service

As a leading manufacturer of custom plastic extrusions for more than 50 years, Seiler Plastics Corporation is able to deliver superior quality parts within the required time frames.

Contact us today to get started!

Custom Plastic Extrusion Solutions

With a wide variety of materials and colors, we produce custom extruded plastic profiles, extruded plastic tubing, and extruded plastic sheet to meet the needs of our customers.

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Our Blog

June 22, 2022
WHAT ARE THE ADVANTAGES OF POLYETHYLENE PLASTIC TUBING? 
June 22, 2022
FROM PELLETS TO PIPING: HOW THE EXTRUSION PROCESS WORKS 
June 22, 2022
WHAT IS PLASTIC THERMOFORMING?
June 22, 2022
THE WHAT, HOW, AND WHY OF RECYCLING POLYETHYLENE 
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