Civil Engineering Reference
In-Depth Information
Table 2.2
Typical properties of resin matrices
Type of resin
matrix
Tensile
strength (ksi)
Longitudinal
modulus (ksi)
CTE
(10
-6
/°F)
Moisture
content (%)
Glass transition
temperature (°F)
Density (lb/yd
3
)
Poisson's ratio
Epoxy
2000 ÷ 2400
5 ÷ 15
300 ÷ 500
0.35 ÷ 0.39
1.6 ÷ 3.0
0.15 ÷ 0.60
203 ÷ 347
Polyester
2000 ÷ 2400
7 ÷ 19
400 ÷ 600
0.38 ÷ 0.40
1.3 ÷ 1.9
0.08 ÷ 0.15
158 ÷ 212
Vinyl ester
1900 ÷ 2300
10 ÷ 11
435 ÷ 500
0.36 ÷ 0.39
1.5 ÷ 2.2
0.14 ÷ 0.30
158 ÷ 329
Notes:
1 lb/yd
3
= 0.593 kg/m
3
; 1 ksi = 6.89 N/mm
2
; 1/°F = 1/(9/5 * °C + 32); °F = (9/5 * °C + 32).
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