CORINTHO®

CORINTHO® is an entirely new style of polyurethane modeling and tooling boards designed by our R&D team to be the DUNA Group’s flagship product for all sectors requiring a high degree of precision, detail and machinability (both manual and CNC machines). 

· Carbon prepreg layup molds

· Master models

· Vacuum forming

· CAD Design verification, prototyping

· Composite layup tooling

BLACK CORINTHO® is a low CTE, high-temp, highly stable polyurethane tooling board designed for a wide variety of tooling applications. 

Its high thermal conductivity allows quicker autoclave and oven processing.  

Designed to expand and contract under temperature, the BLACK CORINTHO® is ideal for use with high or low-temperature curing prepregs where a high degree of stability or dimensional tolerance is desired. 

· 400°F service temperature

· High thermal conductivity = faster autoclave processing 

· Ultra-low CTE, excellent dimensional stability

· High quality surface finishing

· Easy to machine, non-abrasive

· Carbon pre-preg layup molds

· Master model 

· Vacuum forming

· Prototyping modelling

BLUE CORINTHO® HT is a rigid polyurethane tooling board with an exceptionally high glass transition temperature of +509°F. 

BLUE CORINTHO® HT is particularly suitable for master models and layup molds. It is also successfully used to make thermal breaks or supports in cryogenics. 

· 400°F service temperature

· High surface finishing and excellent internal consistency

· Ease of machining

· Master model 

· Vacuum forming

· Prototyping modelling

· Thermal breaks

· Cryogenic supports

Polyurethane board developed for modeling applications, tooling, rapid prototyping and vacuum forming at high-medium temperatures (up to 250°F). Along with the other products in the CORINTHO® line, it offers dimensional stability and chemical resistance.

Our tooling solutions include accessory materials, designed to withstand high temperatures in autoclave and oven up to 400°F without cracking or degradation and to expand and contract with tool under temperature. Available in blue or black coloring.

- Bonding: DUNAPOX™AD 135: Thixotropic, epoxy adhesive. 

- Sealing: DUNAPOX™ SEA 125: Epoxy sealer. Can be sprayed, brushed or rolled. Once hardened, DUNAPOX™ SEA can be flatted “sanded” and polished to a high gloss. Cures to a tough, Shore D 85 protective surface. 

Tooling guidelines available on request. 

Please also see our CORAFOAM® High density line of polyurethane tooling boards for pattern making, vacuum forming, check fixtures, and more.