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Laminate, Air filter, Epoxy adhesive, Panel filter, Prepreg
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86 Providence Rd · Millbury, MA 01527 (800) 225-7725 · www.lewcott.com
2 8HS S-2 glass fabric. The material is designed to meet and/or exceed the thermal insulation requirements of the rocket propulsion industry, and is suitable for ballistic armor applications and many other structural insulation applications.
o Press Cycle
o F Increase temperature at 5 F/min to 325
o F 30 to 120 minutes at 300
o F to 325
o F with 100 to 1000 psi Cure 1 to 2 hours at 300
o F to 325
o F Autoclave Cycle Vacuum Bag in Oven Draw vacuum Apply pressure Increase temperature at 5 Draw vacuum Increase temperature at 5
o o o o F/min to 175 F Hold to equilibrate at 175
o F/min to 175
o F Hold to equilibrate at 175
o F Increase temperature at 5
o o F Increase temperature at 5
o F/min to 325
o F Cure 1 to 2 hours at 300 F/min to 325
o F F to 325 F Recommended Storage
- Room Temperature (77° F) Two (2) Weeks - 40° F Six (6) Months - 0° F Twelve (12) Months 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 suit-ability for use. Date: 05/01/06
LR 2201 - 9 osy 8HS S-2 Glass Ablative Prepreg - 55252 LR2201 Phenolic Prepreg
LR2201 is produced using a MIL-R-9299 phenolic resin matrix on a 9oz/yd2 8HS S-2 glass fabric. The material is designed to meet and/or exceed the thermal insulation requirements of the rocket propulsion industry, and is suitable for ballistic armor applications and many other structural insulation applications.
Chemical Properties of LR2201
Property Value Test Method Resin Solids, % 32-36 QCP-R-8 Volatile, % 3-8 QCP-V-1 Laminate Flow @ 150 psi, % 20-30 QCP-F-2Physical Properties of LR2201
Property Value Test Method Specific Gravity 1.86 ASTM-D-792 Tensile Strength, psi 70,000 ASTM-D-3039 Tensile Modulus, msi 3.8 ASTM-D-3039 Flexural Strength, psi 78,000 ASTM-D-790 Flexural Modulus, msi 3.9 ASTM-D-790 Compression Strength, psi 68,000 ASTM-D-695 Compressive Modulus, msi 4.0 ASTM-D-695 Thermal Conductivity (with ply), BTU/ft.-hr.- o F 0.16 ASTM-C-177 Specific Heat @ 150 o F, BTU/lb. o F 0.23 ASTM-C-351 CTE (normal to pressure)(80-500 o F), 10 -6 in./in./ o F 8 ASTM-D-696PROCESS INFORMATION – LR2201
Hold to equilibrate at 175o Press Cycle
o F Increase temperature at 5 F/min to 325
o F 30 to 120 minutes at 300
o F to 325
o F with 100 to 1000 psi Cure 1 to 2 hours at 300
o F to 325
o F Autoclave Cycle Vacuum Bag in Oven Draw vacuum Apply pressure Increase temperature at 5 Draw vacuum Increase temperature at 5
o o o o F/min to 175 F Hold to equilibrate at 175
o F/min to 175
o F Hold to equilibrate at 175
o F Increase temperature at 5
o o F Increase temperature at 5
o F/min to 325
o F Cure 1 to 2 hours at 300 F/min to 325
o F F to 325 F Recommended Storage
- Room Temperature (77° F) Two (2) Weeks - 40° F Six (6) Months - 0° F Twelve (12) Months 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 suit-ability for use. Date: 05/01/06