IDI Composites International

Custom compounding, formulating of thermoset molding materials. Unsaturated polyester, vinyl ester and epoxy bulk molding compounds (BMC) and sheet molding compounds (SMC) and trademarked Structural Thermoset Composites (STC).

407 South 7th Street
Noblesville, IN 46060 US

Additional Locations:
Unit One, Oldbury Park Popes Lane
Oldbury, West Midlands, B69 4RG GB
44 121 552 0038

Road #3, KM 151.8
Aguirre, 00704 PR
787- 853-2186

Jupiter 11, Nueva Industrial Vallejo Delegacion Gustavo A. Madero
Ciudad de Mexico, ME 07700 MX
52 55 4169 4012

126 Rue Laennec, Zone Industrielle CS 97202
Vineuil, 41354 FR
33 (0) 254 5555 54

Jinbai Road No. 918 Jinshan Industrial Park
Shanghai, 201506 CN
86 21 5727 7688


A Message from IDI Composites International

IDI Composites International World Headquarters

IDI Composites International (IDI) is the premier global custom formulator and manufacturer of thermoset molding compounds for molders and OEMs.

The IDI 3i Composites Technology Center

The 3i Composites Technology Center is the research and development division of IDI Composites International.

IDI Introduces Fortium™ and Ultrium™

IDI Composites International and The IDI 3i Technology Center have expanded their line of Structural Thermoset Composites STC®. Fortium™, high percentage glass fiber composites and Ultrium™ carbon fiber based composites were developed to address the performance gap that exists between dense metals and more costly advanced composites to give molders and OEM’s a new material option to consider when designing products that require high strength, but where weight and cost are a consideration.

As Seen In CompositesWorld

CAMX 2018 preview: IDI Composites International
IDI Composites International (Noblesville, IN, US) is featuring its customized polyester/vinyl ester-based bulk molding compounds (BMC), sheet molding compounds (SMC), and an advanced line of Structural Thermoset Composites (STC - Ultra Performance Moldable Composites) that are manufactured in both sheet and bulk formats.

IDI Composites launches new structural thermosets
IDI Composites International (Noblesville, IN, US) and its IDI 3i Technology Center, have expanded their line of thermoset-based composites.

CompositesWorld logo

Webinar: Features, advantages of thermoset composites
CompositesWorld is hosting a free IDI Composites International-sponsored webinar on Nov. 1, 2:00 p.m. EDT, titled, “Lightweight and Strong: Designing the Future with Structural Thermoset Composites (STC).”

IDI Composites composite fan

CAMX 2017 preview: IDI Composites
IDI Composites International (Noblesville, IN, US) is showcasing innovations from its Structural Thermoset Composites (STC) line of molding compounds.

Dale Brosius

Small companies, long-term impact
In a time known for owner “exit strategies,” longevity in family-owned composites businesses is heartening.

IDI Composites International opens composites technology center
The IDI 3i Composites Technology Center was founded to meet increased demand from OEMs for stronger, lower density and higher performing materials.

IDI Composites International, SMC Composites create joint venture
US-based IDI Composites International and Mexico-based SMC Composites are creating IDI Composites International Mexico, to focus on SMC and BMC applications.

IDI Composites International composites technology center marks strategic shift
The $1.5 million investment is designed for IDI to help OEMs speed composite parts and products to market more quickly.

CAMX 2014 show report
Bigger, better and more inclusive than any previous U.S. composites trade event, the inaugural show turns North American eyes forward to the future.


Composites ride and support the rails
Increased ridership and heavier axle loads on rail systems around the world signal a potential boon for composites. 

Product Categories of IDI Composites International

  • Compounds
    • Bulk molding (BMC)
    • Low-pressure molding
    • Sheet molding (SMC)
    • Other compounds