Amazon.com: HDU Sheet High Density Urethane Foam for Machining, Carving, Signmaking 15 lbs/ft3 Density 1" Thickness Many Size Options : Handmade Products
Precision Board HDU from Coastal Enterprises - Signage Substrate
High Density Urethane (HDU) – Blue Ridge Sign Supply Inc
15lb Corafoam / Dunaboard U150 Medium Sheets Blocks - The Compleat Sculptor
HDU Precision Board PBLT-30 | High Density Urethane Foam Board And Sign Board Plastic Sheet - Mobile
Custom Foam Board Signs | Vispronet
Duna HDU Corafoam U150 2" 4' x8' 15lb.
PBHT High Density Urethane Tooling Board - Order Online
HDU Precision Board PBLT 20 | High Density Urethane Foam Board And Sign Board Plastic Sheet - Mobile