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Composite News

JUSTUS – UI (Universitas Indonesia) – Kontes Mobil Hemat Energi (KMHE)

Kontes Mobil Hemat Energi (KMHE), previously known as Indonesia Energy Marathon Challenge (IEMC) is an annual event hosted by DIKTI. The team from Universitas Indonesia Supermileage Vehicle Team had managed to win again for both category of Prototype and Urban Concept. Nakoela Hore, 1st place for Prototype Gasoline category with 740 km/litre. Sadewa Hore, 1st place for Urban Concept Gasoline category with 292 km/litre. Futhermore, the team also won Best Design and Planning Award.


Congratulations for Universitas Indonesia Supermileage Vehicle Team!

JUSTUS – ITS (Institut Teknologi Sepuluh Nopember) - Dutch Solar Challenge (DCS)

 JUSTUS Jalapatih IIJalapatih II

Jalapatih II Solar Boat of ITS is ready to race in the Dutch Solar Challenge (DCS) in Amsterdam, Netherland. The route will cover a total distance of 200 kilometer from Amsterdam to Leeuwarden. The ultra-lightweight solar boat is made from composite materials sponsored by JUSTUS.

Epoxy Resin

Epoxy resin has a wide industrial applications, for examples: floor coating, wood coating, electrical and structural adhesive. We have a variety of epoxy (bisphenol A, Novolac, etc.) and epoxy resin hardeners (amines, amides, etc.). Various type of epoxy depends on the applications. Please contact our sales representatives for further informations.

JCM - UI - Shell Eco-Marathon

Once again, JCM (Justus Composite Materials) as a proud technical partner of Universitas Indonesia (UI) would like to congratulate the team for winning the Shell Eco-Marathon (SEM) Asia 2014 in Manila. The team of engineers from UI had its second consecutive win in urban concept gasoline vehicles with performance of 301.7km/l (709.6 mpg)-almost double its previous result.


The ultra lightweight vehicle is made from various materials from JCM – Ripoxy® Vinyl Ester Resin, Lantor® Soric, Carbon fiber, etc. with Vacuum Infusion process. 

JCM - Universitas Indonesia (UI) Faculty of Engineering
JCM (Justus Composite Materials) is a proud  sponsor of Universitas Indonesia (UI) Faculty of Engineering. A team of engineers from UI had set a record of 1.027 km/litre of gasoline with their prototype car – Keris RV, winning and breaking a new record at the IEMC (Indonesia Energy Marathon Challenge) 2013. The team also built an electric prototype – Keris EV, that also win 1st place with 252 km/kWh consumption.


Congratulations for winning the IEMC (Indonesia Energy Marathon Challenge) 2013! 

Lantor Coremat 


Lantor Composites offers a comprehensive range of innovative nonwoven solutions for the Composites (Fiber Reinforced Plastics) industry. Lantor Coremat® is a polyester nonwoven that contains microspheres and is used as a thin core (bulker mat) or print blocker (liner) in fibre reinforced laminates, manufactured in Hand Lay-Up, Spray-Up or Vacuum Infusion (Soric® only). 

Unsaturated Polyester Resin (UPR) increased capacity


PT Justus Sakti Raya has increased the UPR production capacity from 24,000 to 40,000 tonnes/year, becoming the largest UPR producer in Indonesia.

Vacuum Infusion


Vacuum infusion provides several benefits including better fiber to resin ration, less wasted resin, consistent resin usage, unlimited set-up time and cleaner working environment. We also offer a complete range of vacuum infusion and vacuum bagging consumables. Now available in stock, including peel-ply, infusion mesh, breather, bagging film, tacky-tape, flow mesh and release film.

Please contact our sales representatives for further information. 

FRP Rollers


Complete range of FRP rollers, used for various conditions to make a perfect laminate.

Yukalac Tooling Gelcoat GM-888 RED-EX 

Yukalac GM-888 RED-EX is a special resin designed for high grade tooling gelcoat application. It has a very good resistance to high temperature, water, chemical solvents. It also has high impact resistance, high toughness, good weatherability, giving smooth finishes and high gloss to the product. Available in 18 kg per can. Please contact our sales representatives for further information.