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As a leading producer of carbon fiber reinforcements and resin systems, and the world leader in honeycomb manufacturing for the commercial aerospace industry, we are the strength within hundreds of products offered in multiple markets across the globe.

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HexFlow® VRM37 is a 350°F curing, two-part, mid-toughened epoxy resin, specifically developed to meet the demanding requirements of structural aerospace resin transfer molding (RTM) and vacuum assisted resin transfer molding (VARTM) applications. This epoxy system supports service temperatures up to 250°F. HexFlow® VRM37 Part A is a light amber color; HexFlow® VRM37 Part B is a dark purple color.

HexFlow® VRM37

HexPly® M79/M79-LT is a hotmelt, thermosetting, low-exothermic epoxy resin matrix, specifically designed for prepreg applications at which short cure cycles below 100°C are required. M79/M79-LT can be used for manufacture of large industrial components, suitable for cure of thin and thick sections. M79/M79-LT exhibits a long out-life of 8 weeks at ambient conditions. M79 is supplied as moderate tack and M79-LT as low tack resin matrix.

HexPly® M79-M79-LT

F161 is a structural, heat resistant and electrical grade epoxy formulation designed for autoclave curing. F161 is a high temperature, laminate grade epoxy resin with a 350°F (177°C) cure. F161 is unique in that it was the first resin system to meet all types and classes of MIL-R-9300 B.

Hexcel F161

HexFlow® RTM6-2 resin is the bi-component version of HexFlow® RTM6 resin. Delivered as two different components, HexFlow® RTM6-2 resin provides several benefits over HexFlow® RTM6: air shipment is allowed, storage at 23± 3°C for 12 months, and bigger packages are possible (up to 378 kg). HexFlow® RTM6-2 resin is chemically the same as RTM6 resin and has the same high performance after mixing Part A and Part B. Their mixing ratio in weight is Part A : Part B (100 : 68.1). After mixing Part A and Part B, service temperatures from -60°C up to 120°C and cycle processing flexibility make HexFlow® RTM6 resin ideal for primary & secondary aerospace structures. Due to the low viscosity of HexFlow® RTM6 resin, there are long injection windows to facilitate large-parts manufacturing. Mixed HexFlow® RTM6-2 resin can be used with a wide range of HexForce®, HiTape® and HiMax™ reinforcements. If needed, binders are also available and fully compatible with HexFlow® RTM6-2 resin. They provide dimensional stability to the reinforcement and ease preforming processes. Mixed HexFlow® RTM6-2 resin, when combined with HiTape® & HiMax™ reinforcements, has comparable mechanical properties to the latest generation prepregs.

HexFlow® RTM6-2

HexForce™ AGP193-P has extensive in-house weaving capabilities for the manufacture of unidirectional and woven reinforcement fabrics in glass, carbon, aramid fibers and hybrids. The wide range of weave styles includes standard weaves, biaxials and multiaxials.

HexForce™ AGP193-P

HexPly® M76 is a versatile curing toughened epoxy resin that can be cured from 275ºF (135ºC) to 350ºF (177ºC), depending on service temperature requirements. HexPly® M76 is formulated for lower temperature autoclave or press mold processing. The recommended lay-up procedure for HexPly® M76 is HSP-L4. The recommended cure procedures are HSP-C5 (275ºF) or HSP-C1 (350ºF).

HexPly® M76

HexPly® M21 is a high performance, very tough epoxy matrix for use in primary aerospace structures. It exhibits excellent damage tolerance, especially at high energy impacts. HexPly® M21 is a toughened epoxy resin system supplied with unidirectional or woven carbon or glass fibers. HexPly® M21 was developed as a controlled flow system to operate in environments up at 121°C (250°F).

HexPly® M21

HexPly® 8552 is a high performance tough epoxy matrix for use in primary aerospace structures. It exhibits good impact resistance and damage tolerance for a wide range of applications. HexPly® 8552 is an amine cured, toughened epoxy resin system supplied with unidirectional or woven carbon or glass fibers. HexPly® 8552 was developed as a controlled flow system to operate in environments up to 121ºC (250ºF).

HexPly® 8552

3501-6 is an amine cured epoxy resin system supplied with unidirectional or woven carbon or glass fibers. Typical reinforcement is continuous AS4 carbon filaments. 3501-6 was developed to operate in a temperature environment of up to 350°F (177°C). AS4/3501-6 is recommended for general purpose structural applications.

HexPly® 3501-6

Hexcel

As a leading producer of carbon fiber reinforcements and resin systems, and the world leader in honeycomb manufacturing for the commercial aerospace industry, we are the strength within hundreds of pr

Hexcel - Knowde

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HexTow® AS4D carbon fiber is a continuous, high strength, high strain, PAN based fiber available in 12,000 (12K) filament count tows. This fiber has been surface treated and can be sized to improve its interlaminar shear properties, handling characteristics, and structural properties, and is suggested for use in prepregging, filament winding, braiding, and pultrusion

HexTow® AS4D (Aerospace) Global Technical Data Sheet

HexTow® AS4D (Aerospace) Global Technical Data Sheet - Hexcel

HexTow® AS4D (Aerospace)

HexTow® AS4D carbon fiber is a continuous, high strength, high strain, PAN based fiber available in 12,000 (12K) filament count tows. This fiber has been surface treated and can be sized to improve it

HexTow AS4D (Aerospace) - Hexcel - Carbon Fibers - Roving

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	Value	Units	Test Method / Conditions
Density	1.79	g/cm3	—
Carbon Content	94	%	—
Twist	Never Twisted	—	—
Tensile Modulus (Chord 6000-1000)	241	GPa	—
Ultimate Elongation at Failure	1.8	%	—
Weight/Length (12K)	0.765	g/m	—
Approximate Yield (12K)	1.31	m/g	—
Tow Cross-Sectional Area (12K)	0.43	mm2	—
Filament Diameter	6.7	microns	—
Tensile Strength	4826	Mpa	—

HexTow® AS4D (Aerospace)

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