Engineering Plastics Guide & Downloads

Compare PEEK, PPS, PI, PEI and PAI. Download the material guide, then use the project checklist to prepare your part inquiry.

Material introduction · PDF downloads

Guides for your material shortlist and part inquiry

Two references for different stages of your project. The plastic material guide narrows your options. The checklist organizes what you know before you contact Great Plastics.

Engineering Plastics Material Selection Guide cover

Material Selection Guide

Your plastic material selection guide covers five families, application starting points, grade differences and machining considerations. Heat, chemicals, load, wear and electrical needs stay connected to the part you need.

PDF · English · 4 pages · October 2026
  • Application conditions and material comparison
  • Grade, stock form and geometry considerations
  • Detailed data and manufacturing support
Download Material Guide
Plastic Parts RFQ Checklist cover

Plastic Parts RFQ Checklist

A printable worksheet for your drawing, material status, operating conditions and purchasing details. Blank spaces give you room to record your project information. You can also complete the checklist below and copy your summary.

PDF · English · 2 pages · October 2026
  • Six groups of project information
  • Space for known details and open questions
  • Drawing and documentation references