Syntactic Foam for Plug Assist Module 1
CMT Learning Module 1 - Understanding HYTAC
May 26, 2015
This is the first in a new series of learning modules where CMT explains syntactic foam for thermoforming. Module 1 is an introduction to syntactic foam and its benefits.
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Syntactic Foam for Plug AssistModule 1
Agenda
1.Introduction to CMT Materials2.Definitions3.HYTAC plug assist materials4.Benefits of plug assist in
thermoforming
Understanding CMT Materials
Who we are: an innovative materials company
What we do: design and develop innovative tooling materials for the thermoforming industry
What is Syntactic Foam?“A class of material with pre-formed hollow glass
spheres held in a polyester or epoxy binder.”
What is a Plug Assist?
A plug assist is a mechanical device used to aid or assist sheet stretching prior to total contact
with the thermoform mold.
HYTAC® Plug Assist Material
• HYTAC syntactic foam plug assist material is designed and tested for optimal performance in thermoforming applications.
• There are currently 8 grades of HYTAC, each with specific properties and benefits
• HYTAC is manufactured in sheets, rods and can be custom cast
• HYTAC is sold and distributed around the world
HYTAC® Plug Assist Material
Understanding HYTAC®
Thermoset
Co-Polymer
Thermoplastic
Low cost
Low CTELow TC
Ease of machiningExcellent material
distribution
Understanding HYTAC®
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• Good material distribution
• Brittle & dusty
• Excellent material distribution
• Easiest to machine & polish
• Excellent material distribution
• Most durable
Understanding HYTAC®
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Top 4 Reasons to Use a Plug
Improve material distribution
Reduce starting gauge Improve cycle times
Improve part clarity
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