Resin Density
(liquid kg/m2)
Density
(cured kg/m2)
Initial viscosity
(mPa.s (cP) at 25°C, mixed system)
Shrinkage$
(%: L= linear, V=volumetric)
Water absorption#
(%)
Thermal
(°C, Tg or HDT
Modulus
(MPa)
Strength
(MPa)
Elongation at break
(%)
Description Reference
Unsaturated polyester resin
Crystic®474PA 1100 1220 530 L: 2.7
V: 8.2
"28 mg" HDT: 112 3700 57 1.8 "thixotropic, pre-accelerated orthopthalic polyester resin" June 2014 data sheet
Crystic®491PA 1100 1200 650 ~ "17 mg" HDT: 77 3500 77 4.0 "thixotropic isophthalic polyester resin with good water and chemical resistance", "approved by Lloyd’s Register of Shipping" February 2013 data sheet
Crystic®701PAX 1080 1190 160 ~ "10 mg" HDT: 75 3580 66 2.5 "pre-accelerated isophthalic polyester resin .. for vacuum injection" January 2017 data sheet
Crystic®703PA ~ ~ 160 ~ "11 mg" HDT: 59-64 2758-3162 38-49 1.3-2.1 "pre-accelerated DCPD based polyester resin",
"approved by Lloyd's Register of Shipping .."
February 2013 data sheet
Crystic®785PA(LR) 1100 ~ 220 ~ "23 mg" HDT: 56 2900 49 1.82 "pre-accelerated, DCPD based,polyester resin designed for ... RTM" February 2013 datasheet
Vinyl ester resin
Derakane®8084 1020 1140 360 L: 2.7
V: 8.2
~ Tg: 115,
HDT: 82
2900 76 8-10 "elastomer modified epxy vinyl ester resin" 30 August 2011 Ashland data sheet
Dion®9100 series ~ 1050-1130 400-500 ~ ~ HDT: 104 3172 80 5.2 "bisphenol-epoxy vinyl ester resins" July 2012 Reichhold data sheet
Epoxy resins
AMPREG 21 1100 1140-1150 432-1194 L: 1.3-1.6
V: 3.9-4.8
~ Tg: 67-115,
HDT: 66-77
2200-3250* 42-63* 3.0-4.3 "epoxy wet laminating system" Ampreg 21-8-0515 data sheet
AMPREG 26 ~ 1110-1130 292-1150 L: 1.6
V: 4.8
0.9-1.3 Tg: 55-109,
HDT: 48-89
3450-3910 58-85 1.9-5.1 "epoxy laminating system" PDS-Ampreg 26-12-0515 data sheet
CYCOM®977-2  ~ 1310 ~ ~ ~ Tg: 212 3520 81 ~ "toughened epoxy resin .. for autoclave or press molding" Cytec AECM-00007 Rev 01 2012 data sheet
PRIMETM27 1080-1090 1130-1140 115-590 L: 1.05-1.8 & tba
V: 3.2-5.4
0.36-0.97 Tg: 69-75,
HDT: 60-68
3430-3600 70-78 3.3-5.0 "lowest viscosity PRIMEā„¢ infusion resin" Gurit PDS-PRIME27-7-1215 data sheet
Bismaleimide (BMI) resin
Cycom®5250-4 ~ 1250 ~ ~ 3.9-4.2 Tg(dry): 254-271
Tg(wet) 199-207
4600 103-104 4.8-4.9 "one-part homogeneous BMI resin" for the RTM process Cytec AECM-00019 Rev 01 2012 data sheet

$  italic data calculated from quoted value using the approximation linear shrinkage is one-third of volumetric shrinkage
#  water absorption in mg after "24 hours at 23°C"
*  Resin modulus and strength reduced by factor 10 assuming error on datasheet!