FILM ADHESIVES NOMINAL CURE TEMP F (C ) / TIME. 250 (121) / 60 min Cream. 250 (121) / 60 min Cream. 250 (121) / 60 min Cream. 260 (126) / 20 min Cream

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2 FILM ADHESIVES LC-E220 LC-E221 LC-E221ET LC-E221FR LC-E221QC LC-E222 LC-E23 LC-E224 LC-E225 Elevated Tg vs. LC-E221 Additional vs LC-E221 with Accelerated Cure Cycle vs LC-E221 Optically Clear, Low Temp 260 (126) / 20 min Cream 250 (121) / 60 min Clear/Clear Tint 175 (79) / 360 min Cream, with reduced process time High peel for bonding metal(s), composites, misc. substrates,, excellent for high impact areas Cosmetic parts requiring high clarity High Toughness for wood/foam/bolsa construction, Low temp processing Low, medium, high tack LC-E232FR LC-E237G Epoxy Core Splice Epoxy Surfacing Film 250 (121) / 60 min Light Blue Core splice, Edge close out 250 (121) / 60 min Gray Flat and contour parts requiring improved surface finish Expansion ratio 2-3 times & colors - Colors upon request. - Film adhesives can be supplied unsupported or supported with various substrates. - Additional cure cycles. FOR INTERNAL USE ONLY

3 CARBON PREPREGS LC-E420 Laminate, Sandwich Structure, Radomes LC-E421 LC-E421ET LC-E421FR LC-E421QC LC-E422 Elevated Tg vs LC-E321 Additional vs LC-E321 Accelerated Cure Cycle vs LC-E (126) / 20 min N/A Laminate, Sandwich Structure without the use of High Toughness for Laminate, Sandwich Structure without use of, High impact areas LC-E423 Optically Clear 250 (121) / 60 min Per Supporting Fabric Automotive, Sporting good parts requiring clear finish Low, medium, high tack LC-E424 LC-E425 LC-E (79) / 360 min N/A 350 (176) See Data Sheet for Cure Black High Toughness for wood/foam/bolsa construction, Low temp processing, High impact areas High Temperature Laminate, Multi-ply structural parts, Thick cross sections Various cure cycles pending part thickness - Various colors upon request. - Additional cure cycles.

4 FIBERGLASS PREPREGS LC-E320 Laminate, Sandwich Structure, Radomes LC-E321 Laminate, Sandwich Structure without the use of LC-E321ET Elevated Tg vs LC-E321 LC-E321FR Additional vs LC-E321 LC-E321QC Accelerated Cure Cycle vs LC-E (126) / 20 min Cream LC-E322 High Toughness for Laminate, Sandwich Structure without use of, High impact areas LC-E (79) / 360 min Cream High Toughness for wood/foam/bolsa construction, Low temp processing LC-E325, High impact areas LC-E (176) See data sheet for cure Black High Temperature Laminate, Multi-ply structural parts, Thick cross sections Various cure cycles pending part thickness - Various colors upon request. - Additional cure cycles.

5 PASTE ADHESIVES LCM LC-E101 Epoxy Adhesive Room Temperature White General purpose bonding of metallic, composites, etc. & 20 oz. cartridges LC-E102 Edge Fill Epoxy Adhesive Room Temperature Grey Edge closeout for sandwich structures LC-E103 Epoxy Potting Compound Room Temperature White Insert potting compound for sandwich structures & 6 oz. cartridges LC-E105 Epoxy Adhesive Higher Mechanicals vs LC-E101 Room Temperature White General purpose bonding of metallic, composites, etc. & 20 oz. cartridges LC-E107 Epoxy Adhesive Lower Density vs LC-E102 Room Temperature Off-White Edge closeout for sandwich structures LC-E110 Laminating Resin Room Temperature Light Red Wet lay up LC-E110FR Laminating Resin Room Temperature Off-White Wet lay up LC-E111 Epoxy Casting Resin Room Temperature Clear High clarity parts, Wet layup/castings 1 & 5 gallon cans & 55 gallon drums LC-E113 Single Component Epoxy Cure/Edge Fill 250 (121) / 60 min Off-White Structurally hard spots within sandwich construction, Co-curing edge close out - Various colors upon request. - Additional cure cycles. FOR INTERNAL USE ONLY

6 ARAMID PREPREGS LC-E520 Laminate, Sandwich Structure, Radomes LC-E521 Laminate, Sandwich Structure without the use of LC-E521ET Elevated Tg vs LC-E321 LC-E521FR Additional vs LC-E321 LC-E521QC Accelerated Cure Cycle vs LC-E (126) / 20 min N/A. LC-E522 High Toughness for Laminate, Sandwich Structure without use of, High impact areas LC-E523 Optically Clear 250 (121) / 60 min Per Supporting Fabric Parts requiring clear finish LC-E (79) / 360 min N/A High Toughness for wood/foam/bolsa construction, Low temp processing LC-E525, High impact areas - Various colors upon request. - Additional cure cycles.