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Aerospace Product Selector > Structural Product Selector Chart
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Key: R = Recommended A = Acceptable NR = Not Recommended

Key: X = None
● = Low
●● = Medium
●●● = High
Processing Properties
Minimum cure temp.
°C (°F) 		Typical cure temp.
°C (°F) 		Post-cure temp.
°C (°F)		 Outlife @ RT (days) Autoclave Press Vacuum bag RFI/ZPREG® RTM Flow Tg dry
°C (°F)		 Tg wet
°C (°F)
Epoxy
LTM26EL 50
(122)		 60
(140)		 120
(248)		 5 R A R     ● 130 (266) 90
(194)
LTM45-1 55
(131)

65
(149)

 200
(392)		 5 R A R     ● 200 (392) 120
(248)
MTM28 85
(185)		 120
(248)		 120
(248) 		30 R R R     ● 100 (212)  
VTM244FRB 65
(149)		 120
(248)		 180
(356)		 21 R A R ZPREG®   ●● 180 (356) 90
(194)
MTM46 80
(176)		 130
(266)		 180
(356)		 60 R R R RFI   ●● 190 (284) 130
(266)
MTM45-1 80
(176)		 180
(356)		 180
(356)		 21 R A R RFI   ●● 186 (366) 150
(302)
MTM44-1 130
(266)		 180
(356)		 180
(356)		 21 R A R RFI   ●● 190 (374) 150
(302)
MVR444 130
(266)		 180
(356)		 180
(356)		 14         RTM ●●● 190 (374) 165
(329)
HTM45 120
(248) 		180
(356)		 180
(356)		 21 R A NR     ● 195 (383) 130
(266)
Cyanate Ester
LTM110 70
(158)		 120
(248)		 300
(572)		 3 R NR R     ●● 330 (626) X
LTM123 80
(176)		 80
(176)		 200
(392)		 3 R NR R     ●● 210 (410) 120
(248)
MTM110 135
(275)		 135
(275)		 300
(572)		 30 R NR NR     ●● 330 (626) X
HTM110 180
(356)		 180
(356)		 300
(572)		 30 R NR NR     ●● 330 (626) X
HTM143 180
(356)		 180
(356)		 250
(482)		 30 R NR NR     ●● 250 (480) X
BMI
HTM552 190
(374)		 190
(374)		 240
(464)		 30 R A NR     ●●● 282 (539)  
HTM556 190
(374)		 190
(374)		 240
(464)		 30 R A NR     ●●● 270 (518)  
Key:
LTM = Low Temperature Cure Matrix
MTM = Medium Temperature Matrix
HTM = High Temperature Matrix
VTM = Variable Temperature Matrix
VTF = Variable Temperature Film
MVR = Medium VARTM Resin
FR = Flame Retardant
B = Black
VARTM = Vacuum-Assisted Resin Transfer Moulding
RFI = Resin Film Infusion
RTM = Resin Transfer Moulding