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| | | 86 Providence Rd • Millbury, MA 01527 (800) 225-7725 • www.lewcott.com | | |
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| | | LR1410 Ablative Prepreg | | |
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| | | LR1410 is a composite produced from Lewcott PSR133G carbon filled MIL-R-9299 phenolic resin matrix on a five harness (5HS) PAN precursor carbon fabric. The material is designed to meet and/or exceed the thermal and insulation requirements of solid propulsion rockets. | | |
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| | | Chemical Properties of LR1410 | | |
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| | | | | | | | | | | Property | Value | Test Method | | | | Resin Solids, % | 31-37 | QCP-R-5 | | | | Volatile, % | 3-7 | QCP-V-1 | | | | Laminar Flow @ 150 psi, % | 10-20 | QCP-F-1 | | | | Filler Content, % | 8-15 | QCP-R-5 | | | | Prepreg Width, in | 48 | | | | | | | | | | | |
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| | | Physical Properties of LR1410 | | |
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| | | Property Value Specific Gravity 1.60 Tensile Strength, psi 30,000 Compression Strength, psi 30,000 Thermal Conductivity (across ply), BTU/ 5.0 ft.-hr.-oF | | Test Method ASTM-D-792 ASTM-D-638 ASTM-D-695 ASTM-C-177 | | |
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| | | Interlaminar Shear, psi 2,000 CTE (across ply)(80-400 oF), 10-6in./ 33.0 in.oF | | FMS406/1041 ASTM-D-696 | | |
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| | | Molding Cycle Press cured at 325o F using 1000 psi pressure for 2 hours. | | |
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| | | NOTE: The data presented herein has been developed under controlled manufacturing and test conditions and is considered accurate. No warranty is expressed or implied regarding the accuracy or use of this data or the use of this product. It is the responsibility of the end user to determine suitability for use. Rev. Date: 6/07 | | |
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