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St. Louis - Headquarters

Seiler Plastics Corporation
9750 Reavis Park Drive
St. Louis, MO 63123

Phone: 314-815-3030
Fax: 314-815-3025
Toll Free: 888-673-4537

Atlanta - Sales Office

Phone: 770-251-5344
Fax: 314-815-3025

Plastic Sheet and Die Cut Sheet

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At Seiler Plastics, our sheet production
capabilities go beyond basic sheet extrusion. SPC has the capability to convert your sheet into a finished product by utilizing the latest sheet fabricating technology, including: in-line slitting, die cutting, hole punching, thermoforming (our extruded sheet division is also a major supplier to our thermoforming operation), and more, to meet a wide variety of custom requirements.

Die cutting sheet has been a focus of SPC for over 20 years. SPC has the capabilities to produce die cut parts in small volume for your extremely unique applications as well as mass production in quantities of 500,000 pieces or more.


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Standard plastics converters use 4x8 sheets and then cut to your specifications. At Seiler, we extrude custom sheets to minimize scrap.

Standard Converter
Using 4x8 sheets
Seiler Plastics
Using Custom Extruded Sheets


Seiler Plastics can extrude many types of material to fulfill your requirements.
See our Plastic Sheet Material Specifications.
  • HDPE - High Density Polyethylene
  • LDPE - Low Density Polyethylene
  • HMWPE - High Molecular Weight Polyethylene
  • MPE - Modified Polyethylene
  • High Impact Polystyrene
  • Polypropylene
  • ABS Sheet

Standard Finishes

  • Smooth
  • Haircell
  • Knurled

Standard Colors

  • Natural
  • Black
  • White
  • Custom Color Matching Available


  • Standard 4x8 Sheets
  • Custom sheets with up to 60" width in any length
  • Thicknesses to .250"
  • Die Cut to your specifications if applicable

Typical Applications

  • Gaskets
  • Packaging & Shipping Dividers
  • Plastic Liners
  • Part Protection
  • Returnable Packaging
  • Furniture Backing
  • Shelf & Drawer Liners
  • Bag Bottoms & Liners
  • Slip Sheets & Strips

General Capabilities

  • Die cutting capabilities for thicknesses up to 0.100"
  • Color matching available upon request (5,000 lb. minimum)
  • Sheet available either cut to length or on rolls

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