Products in Prepregs & Molding Compounds: Cyanate Ester Resin

Toray RS-3 is a modified cyanate ester prepreg resin developed to provide a good balance between toughness and high temperature/wet performance. RS-3 has been evaluated and qualified in the areas of satellite, airframe/missile, and dielectric structures. RS-3 is also available in several modified formulations including: RS-3C, a controlled-flow vacuum-bag/oven-cure version; and RS-3M, an extremely low-flow autoclave version. 177°C (350°F) Service Toughened Cyanate Ester Resin

CEM160 is a cyanate ester prepreg designed to cure at medium temperatures, whilst producing durable components with excellent high temperature performance. It can be supplied on a variety of fabrics and in UD format to meet your cost and manufacturing requirements.

HexPly® 954-2A is a 350ºF (177ºC) curing toughened cyanate resin with low moisture absorption, and excellent microcracking resistance. HexPly® 954-2A is formulated for autoclave or press molding. Recommended cure is two hours at 350ºF (177ºC). The recommended lay-up procedure is HSP-L3. The recommended cure procedure is HSP-C1 or HSP-C3. Typical applications for HexPly® 954-2A include primary and secondary aircraft structure, space structures, cryogenic tanks, or any application where impact resistance, light weight and excellent dielectric properties are required. HexPly® 945-2A can be impregnated via hot melt or solution techniques on all available fibers and fabrics.

Toray BTCy-2 is our lowest dielectric cyanate ester prepreg resin system. This resin system is valued in high-energy microwave Applicationss due to the low loss tangent. 177°C (350°F) Cure Cyanate Ester

AX-5170 is a cyanate ester carbon prepreg.

Renegade Materials Corporation RM-5003 is a low dielectric and loss with high performance prepreg.

Toray BTCy-1A is a toughened version of the BTCy-1 cyanate ester prepreg resin system. Its proprietary toughening mechanism and controllable flow make it an ideal product for use not only as a high performance prepreg resin system, but also as an accompanying resin system for film adhesives. BTCy-1A’s straight-up, easy processing at 177°C (350°F) (under low pressures) reduces curing time and production costs, while the system’s negligible volatile emission upon cure allows low void laminates. 177°C (350°F) Cure Toughened Cyanate Ester

Toray C640 is a cyanate ester resin system suitable for curing between 70°C (158°F) and 135°C (275°F). The medium viscosity resin is pre-impregnated into high-performance fibers such as carbon, glass and aramid. The system is capable of withstanding very high temperatures and is inherently flame-retardant. After a suitable post cure, the glass transition temperature can be increased to as high as 335°C (635°F).

HexPly® 954-6 is a 250ºF (121ºC) curing toughened cyanate resin with 300ºF (149ºC) Tg. HexPly® 954-6 is formulated for autoclave curing. Recommended cure is three hours at 250 F (121ºC). Service temperatures are maximized by a post cure of 350ºF - 450ºF (177ºC - 205ºC). The recommended lay-up procedure is HSP-L3. The recommended cure procedure is HSP-C4. Typical applications for HexPly® 954-6 include space structures, such as solar arrays, antennae and support structures, or any application where impact resistance, light weight, excellent dielectric and low outgassing properties are required. HexPly® 954-6 can be impregnated on all available fibers and fabrics.

Toray EX-1515 cyanate ester prepreg resin system is unique in the industry in that it is able to achieve an extremely high level of cure conversion after a 121°C (250°F) cure. This level of conversion provides optimal mechanical properties, high radiation resistance, low moisture absorption, and low outgassing while retaining unparalleled toughness, a low 118°C (244°F), stress-free temperature, and long out time. The resin system excels in its ability to resist microcracking, even when subjected to thermal cycling and high levels of radiation exposure. EX-1515 also displays low dielectric and low loss values which makes it outstanding for radome and antenna Applicationss. EX-1515 can be post cured, freestanding, to increase thermal performance for temperature-critical structures. 107–121°C (225–250°F) Cure Toughened Cyanate Ester

CEL100-1 is a cyanate ester prepreg designed to cure at low temperatures, whilst producing durable components with excellent high temperature performance. It can be supplied on a variety of fabrics to meet your cost and manufacturing requirements.

Toray TC410 is Toray’s newest high performance cyanate ester resin system designed specifically for the latest generation of radomes and satellite structures. TC410 is unique in that it allows for low stress cures at 121°C (250°F) while achieving extremely low moisture absorption and high conversion levels. The lower cure temperature allows for lower stress in part fabrication. TC410 possesses all the key attributes for satellite use with good resistance to atomic radiation, low microcracking, and excellent resistance to process moisture. TC410 possesses low dielectric and loss tangents for radome usage. 121°C (250°F) Cure Toughened Cyanate Ester Resin System

CEM100 is a cyanate ester prepreg designed to cure at medium temperatures, whilst producing durable components with excellent high temperature performance. It can be supplied on a variety of fabrics to meet your cost and manufacturing requirements.

HexPly® 954-3 is a 350ºF (177ºC) curing cyanate resin with excellent resistance to moisture absorption, outgassing and microcracking. HexPly® 954-3 is formulated for autoclave or press molding using a standard cure of two hours at 350ºF (177ºC). Glass transition temperature can be maximized by post curing at 450ºF (232ºC). The recommended lay-up procedure is HSP-L3. The recommended cure procedure is HSP-C1 or HSP-C2.

Toray TC420 is a flow-controlled high temperature cyanate ester resin, toughened to resist microcracking. TC420 is specifically formulated to facilitate production of large out-of-autoclave structures. It can act as a self-adhesive system and is resistant to microcracking. This resin represents a new family of next generation high temperature resins, film adhesives, syntactic paste and expanding foams for ultra-high temperature conditions. TC420 is easy to process, and yields low void laminates with a flexible cure cycle under vacuum-only pressure. This system is also autoclave processable. TC420 is an attractive alternative to bismaleimide (BMI) and polyimide resins.

HexPly® 954-3A is a 350ºF (177ºC) curing cyanate resin with a 400ºF (204ºC) glass transition temperature. Standard cure is two hours at 350ºF (177ºC). Glass transition temperatures can be maximized by a free-standing post cure at 450ºF (232ºC). HexPly® 954-3A is a controlled flow cyanate resin designed for autoclave and vacuum bag curing. HexPly® 954-3A can be impregnated on all available fibers and fabrics. The recommended lay-up procedure for HexPly® 954-3A is HSP-L3. The recommended cure procedure is HSP-C1. Typical applications for HexPly® 954-3A are primary and secondary space structures where dimensional stability and low moisture absorption are required.

Toray C740 is a cyanate ester resin system for cures at 135°C (275°F), pre-impregnated into high performance fibers such as carbon, glass and aramid. The system is capable of withstanding very high temperatures and is inherently flame-retardant. After a suitable post cure the glass transition temperature can be increased to as high as 325°C (617°F).

BTCy-1 is a 177°C (350°F) curing cyanate ester and is an industry standard for use on satellite structure and radomes. 177°C (350°F ) Cure Cyanate Ester.