EPOXY

Epoxy resins and hardeners are used as a filler in composite materials. We recommend to consult their use with our experts who develop and produce most of these systems. We are very flexible in modifying the above listed epoxy systems to your customers’ needs.

Epoxy resins

Hi-tech laminating resins
Item Characteristics / Application
Epoxy resin LG 120 low-viscosity standard laminating epoxy resin with excellent adhesion and very good heat resistance. Except hardener HG 353, heat postcuring is necessary.
Hardener HG 350, HG 351, HG 353 fast hardeners with short cure time even in thin layer and with lower exotherm. Mixing ratio 100 : 35, working time 10, 20 and 50 minutes.
The industrial epoxy system for hand laminating.
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Item Characteristics / Application
Laminating resin LG 285 high quality epoxy resin designed for lamination without the need of heat postcuring. It has very good mechanical properties and sufficient elasticity even when heat postcuring is not applied. Designed for aviation industry.
Hardener HG 285, HG 286, HG 287 hardeners for epoxy resin LG 285, mixing ratio 100 : 40. Working time 45 minutes, 2 hours and 3 hours.
As for its quality and being produced from high-quality raw materials, this resin has been designated for the aircraft production. On request we are able to provide the customer with a quality certificate and a report of mechanical properties. 
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Item Characteristics / Application
Epoxy resin LG 385 an industrial type of LG 285 resin. Thanks to new technology, this epoxy resin has higher temperature stability and advanced technical parameters. Heat postcuring is recommended for reaching maximum performance.
Hardener HG 385, HG 386, HG 387 hardeners for epoxy resin LG 385, processing possible from 18°C, mixing ratio 100 : 40. Meets sport aircraft standards after postcuring at temperatures of more than 56°C for 12 hours.
An industrial option of our system LG 285. A very favourable ratio of price and performance. The mixing ratios, viscosity and the processing time are the same. The system needs to be postcured by elevated temperature. 
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Item Characteristics / Application
Epoxy resin LG 735 G an epoxy of our line 700, it is an innovative, non-toxic resin designated for lamination of high-tech composite parts that features an elevated strength in combination with carbon fibres. High temperature resistance (>100°C).
Hardener HG 735 hardener for epoxy resin LG 735 G, mixing ratio 100 : 35.
This system is a non-allergic variation of high performance composite systems. In combination with carbon fibres this system shows a strength encrease of up to 14% in comparison with the competitors' systems.
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Item Characteristics / Application
Epoxy resin LG 700 new generation epoxy resin. Laminating sytem for RIM, RTM, vacuum technology and hand laminating. Extremely low viscosity enables processing of very light laminates. High reactivity. Working time from 25 minutes to 3 hours. Very good heat resistance and high flexibility even when postcured at room temperature.
Hardener HG 700 F, HG 700 M+, HG 700 M, HG 700 working time 25, 40, 50 and 70 minutes, mixing ratio 100 : 30.
Hardener HG 737 hardener for 700 series epoxy resins, mixing ratio 100 : 30, working time 2,5 to 3 hours. High flexibility, heat postcuring not necessary.
This is a system for both RTM and hand lamination. It has a very low viscosity while maintaining good heat resistance and very flexible high strength bonds.
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Item Characteristics / Application
Epoxy resin LG 120 low-viscosity standard laminating epoxy resin with excellent adhesion and very good heat resistance.
Hardener HG 100 (EM 100) Hi-tech laminating hardener with long working time (approx. 3 hours). One of the best hardeners with excellent mechanical parameters after curing on the market. Heat postcuring is necessary.
Hardener HG 120 mixing ratio 100 : 25, heat resistance after postcuring at 90°C is 120°C. Heat postcuring is necessary.
Hi-tech system with very high Tg. It can be used for winding of carbon fiber filament roving (e.g. Masts, spindles and wind turbine blade connections).
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Item Characteristics / Application
Epoxy resin LG 115 the most commonly used standard laminating epoxy resin. Suitable for both laminating and mould processing. Heat postcuring is recommended.
Epoxy resin LG 730 new generation, very runny, liquid type epoxy resin. Very good strength even at room temperature without the risk of stiffness. High reactivity and heat resistance.
Epoxy resin LG 815 tough laminating epoxy resin for processing of abrasion and crush resistant components. Suitable for laminating of wild-water kayaks.
Hardener HG 25, HG 25 M hardeners with favourable working time of 25 minutes and 35 - 40 minutes. Mixing ratio 100 : 25, postcuring at minimum 50°C is necessary.
Hardener HG 28 two-hour hardener for epoxy resin LG 730, suitable for mechanically stressed components (e.g. airscrew spinners). Mixing ratio 100 : 30.
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Laminating epoxy systems for production of moulds
Item Characteristics / Application
Epoxy resin LG 112 epoxy resin of very good strength, shape stability and very good temperature stability (up to 140°C). Used for processing of high quality moulds. Heat postcuring is necessary.
Hardener HG 2 hardener suitable especially for epoxy resin LG 112. Very good strength and shape stability at high temperatures (approx. 120°C). Mixing ratio 100 : 30. Heat postcuring is necessary for reaching declared parameters.
Hardener HG 40 F, HG 40 M and HG 40 range of hardeners for mould epoxy resins. Mixing ratio 100 : 40, working time 25 minutes, 40 minutes and 1 hour. Heat postcuring for reaching maximum performance.
Hardener HG 120 mixing ratio 100 : 25, heat resistance with epoxy resin LG 112 up to 150°C. Heat postcuring is necessary.
This is a system especially designed for mould production. It has very high shape stability, solidity and heat resistance.
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Laminating epoxy-anhydride sytems
Item Characteristics / Application
Epoxy resin LG 150 flexible variety of epoxy resin for anhydride sytems with Tg up to 100°C. Suitable for prepregs and filament winding.
Hardener VE 95 anhydride hardener for epoxy resins. Curring from 80°C.
Hardener VE 95-2 anhydride hardener for epoxy resins. Curing from 80°C. Variety with accelerator.
Hardener VE 112 anhydride hardener for epoxy resins. Designed for epoxy resin LG 150 for winding of high pressure carbon vessels.
Hardener VE 112-2 anhydride hardener for epoxy resins. Designed for epoxy resin LG 150 for winding of high pressure carbon vessels. Variety with accelerator.
Accelerator SG 2 standard accelerator for anhydride epoxy systems.
This is a very quick anhydride system that enables post cure at lower temperatures (85°C). It is suitable for winding of pressure vessels.
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Item Characteristics / Application
Laminating epoxy resin LG 100 component of slow anhydride system with high Tg (> 120°). Suitable for prepregs and filament winding.
Hardener VE 100 non-accelerated hardener for anhydride system LG 100 + VE 100.
Hardener VE 100-2 hardener for anhydride system LG 100 + hardener VE 100, with 2% of accelerator SG 2 for other than three-component dosing and blending systems.
Accelerator SG 2 standard accelerator for anhydride epoxy systems.
This system is a very slow anhydride system for prepreg manufacturing and winding. The manufacturing equipment can be cleaned even after several days. The system has high Tg. Post cure at higher temperature is needed.
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Foaming and casting epoxy systems
Item Characteristics / Application
Epoxy resin LG 100 foaming epoxy system with high toughness and adhesion. Heat resistance after postcuring exceeds 80°C.
Hardener HG 30 hardener for epoxy foam system. Mixing ratio 100 : 30 (hard brittle foam) to 100 : 40 (tough foam).
Blowing agent FC 3 blowing agent. Dosage according to required foam density 1 - 5%. At 3% cca. 5 times foaming.
This is a flexible foam system with very high strength. It creates even thick non-fragile foam with density of 120 - 300 kg/m3.
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Item Characteristics / Application
Epoxy resin SLIP LG 100 highly transparent epoxy resin enabling thick multiple layer casting. Suitable especially for special applications such as promotion gifts, glass and ice imitations. Skin sensitive.
Hardener S - HG 130 mixing ratio 100 : 30. Very slow hardener almost free of exotherm, very good parameters even at room temperature.
Hardener S - HG 140 mixing ratio 100 : 40. Approximately by 40% faster than hardener S-HG 130. Contains compounds that gives bright shine even to surfaces stuck to the mould. Slightly higher exotherm than hardener S-HG 130.
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Epoxy gelcoats
Item Characteristics / Application
Epoxy resin LG C1 transparent, chemically resistant epoxy gelcoat. Used for coating of epoxy-laminated fuel tanks or for other transparent protection layers.
Hardener HG C1 hardener for epoxy gelcoat LG C1. Mixing ratio 100 : 50, working time approx. 50 minutes.
This is a chemical resistant epoxy gelcoat. It is resistant to all dissolving agents including petrol after it has been tempered. It can be used as topcoat.
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Item Characteristics / Application
Epoxy gelcoat FG 110 NOVOLAC based epoxy gelcoat, beige colour.
Hardener FT 110 hardener for epoxy gelcoat FG 110, mixing ratio 100 : 10.
Hardener FT 113 hardener for epoxy gelcoat FG 110, mixing ratio 100 : 13.
This is a nanofiber mould gelcoat of a very high hardeness (95 Shore D) that enables intensive sanding and polishing. It is not fragile.
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Item Characteristics / Application
Epoxy gelcoat G 70 UV extremely UV stable epoxy gelcoat, transparent.
Hardener GT 70 slow hardener for gelcoat G 70 UV, mixing ratio 100 : 25.
Hardener HG 133 the most commonly used fast hardener for gelcoat G 70 UV, working time approx. 20 minutes, mixing ratio 100 : 30.
This is UV stable epoxy gelcoat which is resistant to all weather conditions, UV rays and chemicals.
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Item Characteristics / Application
Epoxy gelcoat RenGel© SW 56 time proven gelcoat for moulds. Very good grinding and polishing properties.
Epoxy gelcoat RenGel© SW 18 green epoxy gelcoat for moulds with very good polishing properties and heat resistance.
Epoxy gelcoat RenGel© SW 404 highly resistant epoxy gelcoat for edges and also whole moulds. Polishing is not possible.
Hardener Ren© HY 5159 hardener for epoxy gelcoats RenGel© with very good heat resistance. Heat postcuring is necessary.
Hardener Ren© HY 2404 hardener for epoxy gelcoats RenGel© used for cases where postcuring by heat is not possible.
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Epoxy adhesives
Item Characteristics / Application
Epoxy glue FIX BOND 57 - compound A special high bond glue with very high peeling strength and bond flexibility. Glued bonds to metal have higher strength than welded joints. Hard, stable bonds from -60°C to 100°C.
Epoxy glue FIX BOND 57 - compound B hardener for epoxy glue FIX BOND 57 A, mixing ratio 100 : 140
Epoxy glue FIX BOND 57 TIX - compound A black, completely tixotropic variety of structural adhesive FIX BOND 57.
Epoxy glue FIX BOND 57 TIX - compound B hardener for epoxy glue FIX BOND 57 TIX A, mixing ratio 100 : 130.
Epoxy glue FIX BOND 150 - compound A flexible glue suitable especially for sticking of wooden cores with glass or fiberglass under pressure and heat (skateboards, snowboards, skis, etc.)
Epoxy glue FIX BOND 150 - compound B hardener for epoxy glue FIX BOND 150 A. Working time approx. 35 minutes. Commonly used under pressure and high temperature 90 - 120°C for several minutes.
5 minute epoxy glue - compound A very quick epoxy glue suitable for all applications with very short gel time or where tempering is not possible. It is suitable for fixing of individual elements together.
5 minute epoxy glue - compound B hardener for 5 minute Epoxy glue A, mixing ratio 100 : 100.
Epoxy glue FLEX 40 - compound A all-purpose glue for metal components, cured laminates and wood. High viscosity, working time approx. 50 minutes. Postcuring at minimum 70°C is recommended.
Epoxy glue FLEX 40 - compound B hardener for epoxy glue FLEX 40 A, mixing ratio 100 : 40.
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Polyester and vinylester

Polyester resins for production of moulds
Item Characteristics / Application
Polyester resin RM 2000 Unsaturated polyester resin made especially for mould production. Suitable for production of more complicated moulds and also for those of difficult shapes. Processability of 40 - 45 minutes.
Polyester resin RM 2000 LGT Unsaturated polyester resin made especially for mould production. Suitable for production of more complicated moulds and also for those of difficult shapes. Processability of  60 - 70 minutes.
Peroxide CATA 2000 peroxide for resins RM 2000, mixing ratio 100 : 1 - 1,5.
Peroxide K1 peroxide for curing of polyester resins, mixing ratio 100 : 1 - 3.
Peroxide Butanox M 50 peroxide for curing of polyester resins, mixing ratio 100 : 1,5.
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Polyester gelcoats, hardeners and thinners
Item Characteristics / Application
Polyester gelcoat UP Vorgelat T 30 transparent transparent polyester gelcoat compatible with epoxy laminates.
Polyester gelcoat UP Vorgelat T 35 white white polyster gelcoat compatible with epoxy laminates
Polyester gelcoat UP Vorgelat T 35 SH (white) white polyester gelcoat compatible with epoxy laminates, variety for spraying ultralight airplanes and gliders.
Peroxide SF 2 hardener for polyester gelcoats MGS®, mixing ratio 100 : 1,5 - 2
Peroxide SF 10 hardener for polyester gelcoats MGS®, mixing ratio 100 : 10
Thinner SF thinner for unsaturated polyester resins and gelcoats MGS®. Contrary to acetone, it is more gentle to the cleaned material.
Polyester gelcoat Polygel 3232 highly transparent polyester acrylate topcoat with high UV stability grade. UV cureable.
UV initiator hardener for polyester resin Polygel 3232, curing initiated by UV lamp or sunlight. Curing time 2 - 15 minutes.
Thinner for Polygel 3232 reactive thinner for Polygel 3232, fully UV cureable. It is embedded into the structure and improves strength of coating.
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Vinylesterové laminační pryskyřice
Item Characteristics / Application
Vinylester resin 680 TPA vinylester tixotropic accelerated resin for production of chemical resistant products, suitable for hand laminating, spraying and RTM application.
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Kompozitní materiály jsou laminátové konstrukce ze dvou nebo více složek. Tvrdší, tužší a pevnější výztuž představují tkaniny uhlíkové, aramidové, skelné a jejich hybridy, aluminizované a diolenové tkaniny, rovingy, sendvičové a další materiály. Funkci pojiva zastávají pryskyřice a doplňkové epoxidové systémy.

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Společnost GRM Systems s.r.o. (hlavní žadatel) a společnost Foller s.r.o. (partner projektu zapojený do realizace) společně realizují projekt Moderní kompozitní matrice (CZ.01.1.02/0.0/0.0/15_019/0005093), jehož cílem je vývoj kompozitních systémů s výrazným zlepšením odolnosti kompozitních profilů na bázi nejmodernějších reaktoplastických systémů matric. Na tento projekt je poskytována finanční podpora od Evropské unie (OPPIK).