Composite Materials for Aerospace Interiors

For manufacturers and molders of interior aerospace parts, we offer a proven portfolio, long-term partnership and continuous R&D that allow us to supply phenolic and epoxy products that:

Can meet all regulatory requirements, including the strictest FST standards
Suit multiple processing methods such as prepreg (hot-melt and solvent-based), filament winding, hand lamination, and VARTM
Anticipate the changing needs of commercial aviation

FlameX™ Product Bulletin

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Epoxy and Phenolic Formulated Systems

Resin System	System Properties & Performance								Remarks
Resin System	Tg (°C/°F)	Prepreg Outlife at 23°C (days)	Prepreg Outlife at -18°C	Solvenated	Fire	Smoke	Toxicity	Heat Release Rate (HRR)	Remarks
Prepreg-Epoxy
EPIKOTE™ Resin 809/EPIKURE™ Curing Agent 709 EPIKURE Catalyst 100	120/248	14	90	Y					Secondary structural components for commercial aircraft Good adhesion to various cell structures Sef-extinguishing EP system
EPIKOTE Resin 03859/5 EPIKURE Curing Agent 03859/5 EPIKURE Catalyst 03859/5	120/248	14	90	Y					Interior applications such as flooring, in combination with phenolic EPONOL™ Resin 3501 for co-curing Self-extinguishing EP system
EPIKOTE Resin 04332/EPIKURE Curing Agent 04332 EPIKURE Catalyst 04332	120/248	14	90	N					Self-extinguishing interior parts for aerospace B-stage required
Prepreg-Phenolic
EPONOL Resin 2489	>120/248	14	90	Y					Aircraft interior: crushed-core construction, e.g. curved wall panels Closed mold process Fast cure process
EPONOL Resin 3501/A EPONOL Resin 3501/B	120/248	14	90	Y					Aircraft interior flooring Co-curing with epoxy resin in combination with EPIKOTE Resin System 03859/5
EPONOL Resin 2485	>>140/284	14	90	Y					Aircraft interior Various applications where low heat release is required
EPONOL Resin 1790	>>100/212	14	90	Y					Aircraft interior, water-based unmodified phenolic prepreg system
	Good	Better	Best

Resin System	System Properties & Performance							Remarks
Resin System	Tg (°C/°F)	Viscosity at 25°C	Pot Life	Fire	Smoke	Toxicity	HRR	Remarks
RTM/VARTM/Infusion
EPONOL Resin 2509/EPONOL Resin 2501/B	80/176	400	60					Low viscosity Flame retardant Excellent surface
CELLOBOND™ Resin J 2027 X PHENCAT™ Catalyst 10/PHENCAT Catalyst 382	80/176	185	20-60					Low viscosity Excellent fiber wettability Ideal for RTM and VARTM
EPON FlameX Resin 9600 / EPIKURE FlameX Curing Agent 9700	85°C (185°F)	250 – 300 cP (Viscosity at 60°C)	2h (time to 1,000 cP)					Aircraft interior and secondary structure Excellent cycle time and surface quality Ideal for high throughput processing of complex parts Ideal for RTM / VARTM / Infusion
	Good	Better	Best

Phenolic Building Blocks

Phenolic Resin	System Properties & Performance							Remarks
Phenolic Resin	Tg (°C/°F)	Viscosity at 25°C	Shelf Life	Fire	Smoke	Toxicity	HRR	Remarks
Durite™ Resin SC1008	145/293	240	4 weeks					Meet Industry FST standard for aircraft Ballistics (HJ1 and Mil-DTL-64154 and Mil-R-9299C) High char yield Ease of processing
	Good	Better	Best

Process							Product	Properties					Curing
Honeycomb Dip	Pre-Preg	SMC	RTM	Pultrusion	Vacuum Infusion	Hand Lay Up		Viscosity [cP] 25°C	Water content [%]	Free phenol [%]	Free formaldehyde [%]	Standard Pot Life [min]	Catalyst Curig	Heat Curing
							Cellobond™ J 2027 X01	180-270	14-16	max. 10.0	<0.1	12-18
							Cellobond™ J 2042 X01	Thixotropic (TI=1.7-3.8)	10-13	max. 10.0	<0.1	12-18
							Cellobond™ J 6021 X01	1,000-3,000	3.5-5.5	10-15	<0.1	9-18 (P15)
												Plate Gel / B-Time [Min] 150°C
							Cellobond™ SC 1008 P	180-300	2-4	10-16	max. 1.3	14-22 (130°C)
							Cellobond™ PF 1143 V	50-90 (20°C)	max. 5.0	max. 16	max. 0.2	3-6

Application			Processing			Resin	Catalylst	Benefit
Ablatives	Friction/Braking	Interiors	Compression Molding	Pre-Preg Compression Molding	Honeycomb Dip			Fire Resistance	Reduced Smoke & Toxicity	Improved Dimensional Stability	High Strength	Increased Flexural Strength
						Durite™ SC-1008	Phencat™ P10, P15 or 382
						Durite™ FL-756A	Phencat™ P10, P15 or 382
						Durite™ SC-748A	Thermal cure

For more information, speak with a Hexion representative.

Composite Materials for Aerospace Interiors

FlameX™ Product Bulletin

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