*** Please note, each row and course# listed below is a separate, complete course. ***

Sponge Rubber 101

Course# Date Time Location
138-1322 09/06/2024 - 09/06/2024 8:00 AM - 4:00 PM Microsoft Teams
138-1323 03/07/2025 - 03/07/2025 8:00 AM - 4:00 PM Microsoft Teams
138-1324 05/09/2025 - 05/09/2025 8:00 AM - 4:00 PM Microsoft Teams
138-1325 09/05/2025 - 09/05/2025 8:00 AM - 4:00 PM Microsoft Teams
Cost: $1,400.00 USD
Online Registration
CEU's: 1.6
Instructor: Richard D. Strong

Course Overview

This presentation was developed for those who currently make Flexible Cellular Rubber products and wish to expand their knowledge or anyone wanting to gain insights into these materials and how they can be used. This course will offer an overview of Cellular Rubber terminology, potential applications, economics, specifications, raw materials and compound construction  Additionally there will be a review of the various processes used to produce Cellular Rubber products, including mixing, various types of extrusion and molding.  This discussion will offer helpful tips, the do’s and the don”ts of producing Cellular Rubber products that can be applied by the attendees in real world applications of their own.  The course will not contain content about cellular thermoplastic rubber or foamed products. The course will include opportunities for questions and answers and samples of cellular products will be available for hands on examination.

Online Course Requirements

We want you to have a great experience participating in our remote (online) courses, and for that, you’ll need the right equipment and internet connection.

Minimum needs are:

  • A broadband internet connection that has at least a 2 Mbps upload and download speed.
  • A computer (PC or Mac) that can support the latest web browser versions.
  • At least 4 GB of RAM and adequate hard drive space.
  • A microphone and a speaker.
  • International Students: For virtual (online) courses, an additional fee will be assessed to cover the cost of shipping the professional binder (presentation slides), to your address. The cost of international shipping can be significant.

For more information, visit our Online Course Requirements webpage.

Define Types of Cellular Compounds

  • Sponge - open cell
  • Expanded Rubber - closed cell

Cellular Rubber Definitions and Terminology

Cellular Rubber Products - Economics 101

Potential Applications

Processes Used in Producing Cellular Rubber Products

Introduction to Specifications and Test Methods

  • ASTM D 1056-14
  • ISO 6916-1
  • Mil S TD 670

Cellular Rubber Product - Tolerances

  • ASTM D 106-14
  • RMA

Raw Materials

  • Elastomers
  • Fillers
  • Process Oil and Plasticizers
  • Blowing Agents
  • Accelerators and Curing Agents
  • Other - Specialties

Compounding - Guidelines and Examples

  • K.I.S.S.
  • Three P's
  • Nitrosamines

Mixing and Testing

  • Internal Mixing
  • Open Mill

Production Processes

  • Extrusion
  • Molding


If you have any questions or need more information about this course, please contact:

Penelope Pinkston


Online Registration


Registration Form

Registration information: Registration shall remain open until posted as closed on the course listing on this site.

Registrations must be guaranteed by check, a purchase order number or a credit card, otherwise the registration will not be processed. Checks should be made payable to "The Akron Polymer Technology Services Training Center" and must include a copy of your completed registration form. Course fees are due before attending.

All registrations—whether by online, phone, fax or mail—will be confirmed and considered binding and subject to all cancellation policies. If you do not receive a confirmation prior to the class, please call The Akron Polymer Technology Services Training Center to verify your registration.

Course fee includes classroom instruction, instructional materials, parking permits, continental breakfast, lunch, beverages and refreshment breaks. Travel and hotel accommodations are not included.


Visit our registration webpage to view our cancellation/withdrawal policy.