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CYCOM 970 Epoxy Resin

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T E C H N I C A L D A T A S H E E T AEROSPACE MATERIALS CYCOM 970 Epoxy Resin DESCRIPTION CYCOM 970 epoxy resin is a controlled flow, 350 F (177 C) curing epoxy resin with good 300 F (149 C) dry service
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T E C H N I C A L D A T A S H E E T AEROSPACE MATERIALS CYCOM 970 Epoxy Resin DESCRIPTION CYCOM 970 epoxy resin is a controlled flow, 350 F (177 C) curing epoxy resin with good 300 F (149 C) dry service capability. CYCOM 970 is excellent for producing nonporous, voidfree honeycomb sandwich structures, as well as laminates. CYCOM 970 has adjustable tack and is available as unidirectional tape, fabric or roving. The prepreg is formulated for autoclave processing. Recommended cure is two hours at 350 F (177 C). No postcure is required for dry service capability. The recommended layup procedure is L9 for honeycomb core or L8 for laminates (refer to Figure 2 and Figure 3). Recommended cure procedure is C8 (refer to Figure 4). CYCOM 970 can be impregnated via solution technique on all available fibers and fabrics. Typical applications for CYCOM 970 include structural aircraft components requiring honeycomb sandwich panels. FEATURES & BENEFITS 350 F (177 C) cure Available in a broad range of fibers and forms including tape, fabric and roving Controlled flow resin for use in making honeycomb parts 300 F (149 C) dry and 200 F (93 C) wet service temperature Sandwich panel and laminate usage Autoclave processing Shelf life 6 months at 0 F (18 C), 10 days at 72 F (22 C) SUGGESTED APPLICATIONS Structural aircraft components requiring honeycomb sandwich panels Cytec Industries Inc. AECM00024 Rev September 2013 CHARACTERISTICS Viscosity Profile Figure 1 CYCOM 970 Viscosity Profile: Straight Heatup Cure Cycle to 250 F (121 C) PROPERTIES Table 1 Mechanical Properties: Standard Modulus (33Msi/228 GPa Class) Carbon Fiber Reinforced Unidirectional Tape Typical Cytec Engineered Materials Product Code HyE 3070K/Grad 145 Property 75 F (24 C) 200 F (93 C) 200 F (93 C) Wet 0 Tensile Properties Modulus, Msi Modulus, GPa Compressive Properties Long Beam Flex Load, lb * Load, N * P/Y, lb/in * P/Y, N/cm * Flatwise Tensile Strength psi MPa Interlaminar Toughness, G 1C Inlb/in kj/m Property values listed are typical for laminates with 62% fiber volume. Wet = 14 day water immersion at 160 F (71 C) * Wet = 24 hour immersion at 160 F (71 C) and 95% relative humidity Cytec Industries Inc. AECM00024 Rev September 2013 Page 2 Table 2 Mechanical Properties: Standard Modulus (33Msi/228 GPa Class) Carbon Fiber Reinforced Plain Weave Typical Cytec Engineered Materials Product Code HMF 5322/70C Property 75 F (24 C) 200 F (93 C) 200 F (93 C) Wet 0 Tensile Properties Modulus, Msi Modulus, GPa Compressive Properties Modulus, Msi Modulus, GPa Long Beam Flex Load, lb Load, N P/Y, lb/in P/Y, N/cm Flatwise Tensile Strength psi MPa Interlaminar Toughness, G 1C Inlb/in kj/m Property values listed are typical for laminates with 62% fiber volume. Wet = 14 day water immersion at 160 F (71 C) * Wet = 24 hour immersion at 160 F (71 C) and 95% relative humidity Cytec Industries Inc. AECM00024 Rev September 2013 Page 3 APPLICATION NOTES Recommendations for layup and cure of CYCOM 970 are given below. For additional information contact your Cytec aerospace materials representative. Figure 2 Recommended Layup Procedure for Honeycomb Core L9 LAYUP PROCEDURE L9 SURFACE BREATHER PREPREG CORE PREPREG TOOL EDGE BLEEDER VACUUM SEALER TAPE FAIRING BAR Figure 3 Recommended Layup Procedure for Laminates L8 LAYUP PROCEDURE L8 VACUUM BAG SURFACE BREATHER (W/PLATE ONLY) PRESSURE PLATE (OPTIONAL) PEEL PLY (OPTIONAL) PREPREG PEEL PLY (OPTIONAL) TOOL EDGE BLEEDER VACUUM SEALER TAPE Cytec Industries Inc. AECM00024 Rev September 2013 Page 4 Figure 4 Recommended Cure Procedure C8 400 Hold at 355 ± 10ºF for 120 ±60/0 minutes (temperature based on lagging thermocouple) Cure Cycle C8 Temperature (ºF) ºF per minute 5ºF per minute maximum Below 140ºF, release pressure and remove part (temperature based on lagging thermocouple) Time Apply 22 inches Hg vacuum minimum to vacuum bag Apply 85 ± 5 psi pressure to laminate. Vent vacuum bag to atmosphere when pressure reaches /0 psi. COMPATIBLE PROCESSING MATERIALS The following materials are recommended for use with CYCOM 970. For additional information please contact your Cytec Aerospace Materials Representative. Table 3 Adhesive Materials Film Adhesive METLBOND 15153, METLBOND Surfacing Film SURFACEMASTER 905 Table 4 Processing Materials Sealant Tape SM5127, SM5153, SM5142, SM5144 Breather RC300010, A30004 Release Film Bagging Film A6200, A5000 Stretch Vac 2000, Stretch Vac 3000, HS8171 Peel Ply PFG 60001, PFG 60002, PFG Cytec Industries Inc. AECM00024 Rev September 2013 Page 5 PRODUCT HANDLING AND SAFETY Cytec Industries Inc. recommends wearing clean, impervious gloves when working with epoxy resins to reduce skin contact and to avoid contamination of the product. Materials Safety Data Sheets (MSDS) and product labels are available upon request and can be obtained from or any Cytec location supplying aerospace materials. DISPOSAL OF SCRAP MATERIAL Disposal of scrap material should be in accordance with local, state, and federal regulations. CONTACT INFORMATION GLOBAL HEADQUARTERS for AEROSPACE MATERIALS Tempe, Arizona tel fax NORTH AMERICA Anaheim, California tel fax Orange, California tel fax Greenville, Texas tel fax Winona, Minnesota tel fax Havre de Grace, Maryland tel fax D Aircraft Anaheim, California tel fax Cytec Carbon Fiber Piedmont, South Carolina tel fax EUROPE ASIA Wrexham, United Kingdom tel fax Östringen, Germany tel fax Shanghai, China tel fax DISCLAIMER: The data and information provided in this document have been obtained from carefully controlled samples and are considered to be representative of the product described. Cytec does not express or imply any guarantee or warranty of any kind including, but not limited to, the accuracy, the completeness or the relevance of the data and information set out herein. Because the properties of this product can be significantly affected by the fabrication and testing techniques employed, and since Cytec does not control the conditions under which its products are tested and used, Cytec cannot guarantee the properties provided will be obtained with other processes and equipment. No guarantee or warranty is provided that the product is adapted for a specific use or purpose. Cytec declines any liability with respect to the use made by any third party of the data and information contained herein. Cytec has the right to change any data or information when deemed appropriate. All trademarks are the property of their respective owners Cytec Industries Inc. AECM00024 Rev September 2013 Page 6
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