SC:1358-01
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EPON鈩? Resin Systems: Meeting the
Requirements of MIL-R-9300B
In order to facilitate materials selection for specific applications, a number of EPON鈩? Resin
Introduction
and EPIKURE鈩? Curing Agent products, have been tested in accordance with the requirements
of the military specification MIL-R-9300B. Test results show that these resin systems, when
used in accordance with the appropriate choice of materials, good workmanship and
manufacturing practices, can meet the performance requirements as described in
MIL-R-9300B.
Glass-reinforced laminates were manufactured using the resin systems listed in Table 1. Test
data were generated according to the requirements of the specification; the test results are
summarized in Table 2 and Table 3. These data are intended to provide guidance in selection
of an appropriate resin system for use in the manufacture of a laminate meeting the require-
ments of MIL-R-9300B. These data should NOT be used in lieu of quality control testing by the
manufacturer of the finished article. The data are considered accurate but are furnished upon
the express condition the customer shall make its own assessment to determine its suitability
for a particular purpose.
Table 1/Resin systems tested in accordance with MIL-R-9300B
Resin System Mix Ratio
EPON鈩? Resin 862/EPIKURE 鈩? Curing Agent W 100/26.4
EPON Resin 825/EPIKURE Curing Agent W 100/24.0
Epoxy Research Resin RSL-1813/EPIKURE Curing Agent W 100/25.9
EPON Resin 9405/ANCAMINE 鈩?1 9470 Curing Agent 100/28.0
Supplied by Air Products
1
EPIKURE鈩?
E P I KOT E 鈩? EPON鈩? EPI-REZ鈩? H E LOX Y 鈩? C A R D U R A鈩? V E O VA鈩?
SC:1358-01 / EPON Resin Systems: Meeting the Requirements of MIL-R-9300B Page 2
Table 2/Mechanical properties of glass reinforced laminates compared to MIL-R-9300B requirements 鈥?
Type I, Grade 0, Form A1
EPON鈩? Resin 862/ EPON Resin 825/
EPIKURE鈩? Curing EPIKURE Curing
MIL-R-9300B Agent W2 Agent W3
Requirement (100/26.4) (100/24)
Tensile Strength, ksi
Dry/RT 48 min 53.2 52.2
Wet/RT 45 min 50.5 47.5
Compression Strength, ksi
Dry/RT 50 min 51.7 60
Wet/RT 45 min 55.5 47
Flexural Strength, ksi
Dry/RT 75 min 77.5 80.3
Wet/RT 65 min 71.0 66
70 掳C 65 min Pass 77
Hydraulic fluid 70 min Pass Pass
Alcohol 70 min Pass Pass
Hydrocarbon 65 min Pass Pass
Flexural Modulus, Msi
Dry/RT 3.2 min 3.8 3.4
Wet/RT 3.2 min 3.7 3.2
70 掳C 3.2 min Pass Pass
Flammability, inch/minute 0.5 max Pass Pass
Rockwell Hardness 100 min 109 119
Barcol Hardness 70 min 89 90
Dielectric Constant 鈥? 4.7 5.6
Dissipation Factor 鈥? 0.010 0.023
Chemical Fluid Absorption
Hydraulic Fluid, % by weight 0.2 max 0.007 0.16
Alcohol, % by weight 0.2 max 0.031 0.17
Hydrocarbon, % by weight 0.2 max 0.100 0.20
Water Absorption, % by weight 鈥? 0.059 0.047
One Year Weathering
Dry/RT Flex Strength, ksi 65 min --- 70
Dry/RT Flex Modulus, Msi 3.2 min --- 3.4
Data developed by Trace Laboratories.
1
Laminate description: 0.121 inch thick (12 plies 181 style fiberglass)
2
Resin content 33.5% by weight
Cured 2.5 hours at 177 掳C.
Laminate description: 0.132 inch thick (12 plies 181 style fiberglass)
3
Resin content 39% by weight
Cured 1 hour at 121 掳C, 1 hour at 150 掳C, 1 hour at 177 掳C.
SC:1358-01 / EPON Resin Systems: Meeting the Requirements of MIL-R-9300B Page 3
Table 2/Mechanical properties of glass reinforced laminates compared to MIL-R-9300B requirements 鈥?
Type I, Grade 0, Form A (cont.)
Epoxy Research
Resin RSL-1813/
EPIKURE Curing
Agent W1
(100/25.9)
Tensile Strength, ksi
Dry/RT 52.1
Wet/RT 51.7
Compression Strength, ksi
Dry/RT 52.6
Wet/RT 56.7
Flexural Strength, ksi
Dry/RT 81.7
Wet/RT 68
70 掳C 69.4
Hydraulic fluid 75.8
Alcohol 79.4
Hydrocarbon 66.3
Flexural Modulus, Msi
Dry/RT 3.73
Wet/RT 3.84
70 掳C 3.68
Flammability, inch/minute Pass
Rockwell Hardness 120
Barcol Hardness 82
Dielectric Constant 4.6
Dissipation Factor 0.006
Chemical Fluid Absorption
Hydraulic Fluid, % by weight 0.016
Alcohol, % by weight 0.025
Hydrocarbon, % by weight 0.047
Water Absorption, % by weight 0.075
One Year Weathering
Dry/RT Flex Strength, ksi ---
Dry/RT Flex Modulus, Msi ---
Laminate description: 0.126 inch thick (12 plies 181 style fiberglass)
1
Resin content 30.2% by weight
Cured 3 hours at 177 掳C.
SC:1358-01 / EPON Resin Systems: Meeting the Requirements of MIL-R-9300B Page 4
Table 3/Mechanical properties of glass reinforced laminates compared to MIL-R-9300B requirements 鈥?
Type 11, Grade B, Form A1
EPON鈩? Resin 9405/
ANCAMINE鈩?
MIL-R-9300B Curing Agent 94702脵
Requirement (100/28)
Tensile Strength, ksi
48 min
Dry/RT > 48
45 min
Wet/RT > 45
Compression Strength, ksi
Dry/RT 50 min 56.6
Wet/RT 45 min > 45
Flexural Strength, ksi
Dry/RT 75 min 75.6
Wet/RT 65 min 67.4
70 掳C 65 min Pass
260 掳C for 0.5 hour 25 min Not Tested
260 掳C for 192 hours 20 min Pass
Hydraulic fluid 70 min Pass
Alcohol 70 min Pass
Hydrocarbon 65 min Pass
Flexural Modulus, Msi
Dry/RT 3.2 min 3.2
Wet/RT 3.2 min 3.3
70 掳C 3.2 min Pass
260 掳C for 0.5 hour 2.3 min Not Tested
260 掳C for 192 hours 1.9 min Pass
Flammability, inch/minute 0.5 max Pass
Rockwell Hardness 100 min 126
Barcol Hardness 70 min 87
Dielectric Constant 鈥? 4.2
Dissipation Factor 鈥? 0.010
Chemical Fluid Absorption
Hydraulic Fluid, % by weight 0.2 max 0.20
Alcohol, % by weight 0.2 max 0.19
Hydrocarbon, % by weight 0.2 max 0.11
Water Absorption, % by weight 鈥? 0.18
One Year Weathering
Dry/RT Flex Strength, ksi 65 min 74.2
Dry/RT Flex Modulus, Msi 3.2 min 3.6
Data developed by Trace Laboratories.
1
Laminate description: 0.12 inch thick (12 plies 181 style fiberglass)
2
Resin content 37% by weight
Cured 1 hour at 121 掳C, 1 hour at 150 掳C, 2 hours at 177 掳C.
Resolution Performance Products
P.O. Box 4500
Houston, Texas 77210-4500
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call our toll-free customer service number at:
1.877.859.2800
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Exposure to these materials should be minimized and avoided, if feasible, through the observance of proper precautions, use
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procedures. None of these materials should be used, stored, or transported until the handling precautions and recommenda-
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products should be directed to your RPPLLC sales representative, or the nearest RPPLLC sales office. Information and MSDSs
on non-RPPLLC products should be obtained from the respective manufacturer.
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漏 2001 Resolution Performance Products LLC. All rights reserved. SC:1358-01
Printed in the U.S.A. 08/01
E P I KOT E 鈩? EPON鈩? EPI-CURE鈩? EPI-REZ鈩? H E LOX Y 鈩? C A R D U R A鈩? V E O VA鈩?
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