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SMC/ Fiberglass Repair Adhesive - 1 08270 Technical Data Sheet June, 2014 3M Part No.(s) 3M Part Descriptor(s) 08270 3M™ SMC/ Fiberglass Repair Adhesive - 1 Product Description 3M™ SMC/ Fiberglass Repair Adhesive - 1 is a two part urethane used to bond rigid plastics, such as Sheet Molded Compound (SMC), Fiber Reinforced Polyester (FRP) i.e. Fiberglass, Metton®, and primed metal. Features • Meets OEM strengths specifications - Freightliner – Standard No. 49-00093 Revision C - PACCAR – Specification No. CMT0038

  • Excellent sag resistance
  • Fast cure time
  • Metered static mixing Typical Physical Properties Note: The following technical information and data should be considered representative or typical only and should not be used for specification purposes. Part A Part B Container 400 ml Dual Cartridge Base Urethane Curative Density lbs/Gallon (Appx.) 11 11 Color Green White Viscosity (CPS) Brookfield Viscometer 15,000 15,000 - 27,000 Solids Content (Appx.) 100% 100% Consistency Viscous Liquid Viscous Liquid Service Temperature - °F -40 to 180°F -40 to 180°F Product Uses 3M™ SMC/ Fiberglass Repair Adhesive - 1 is used to bond backup strips and patches to rigid plastics, such as Sheet Molded Compound (SMC), Fiber Reinforced Polyester (FRP) i.e. Fiberglass, and Metton®. This adhesive is ideal for small repair areas such as grilles and small gouges.

3M™ SMC/Fiberglass Repair Adhesive - 1 08270 Other Applications • Bonding flexible plastics if used in combination with 3M™ Polyolefin Adhesion Promoter, PN 05907.

  • Bonding rigid plastics such as SMC, FRP, and Metton® to primed metal.
  • May be used as a cosmetic filler if desired. Note: DO NOT apply a two part polyester filler or putty over PN 08270. For easier finishing, 3M recommends using 3M™ Rigid Parts Repai r, PN 08275, as a cosmetic filler.
  • Bonding industrial and marine composites. Use with the following applicators; PN 08280 or PN 08284. Use with the following 3M™ Mixing Nozzles; PN 08193 or PN 08194. Typical Performance Properties The following times have been determined with ambient air temperature and substrate temperature @ 73°F (23°C) and are considered typical values. MIX NOZZLE DWELL TIME: 1 minute WORK TIME: 1.5 minutes CLAMP TIME: 5 minutes SAND TIME: 15 minutes CURE TIME: 10 minutes PAINT TIME: N/A Note: The following technical information and data should be considered representative or typical only and should not be used for specification purposes. Overlap Shear Strength, tested @ 73°F (23°C) 1" x 4" coupon, with 1" overlap. 30 mil bond thickness. Lap Shear, SMC 1,140 PSI ASTM D3163 Lap Shear, Metton® 1,543 PSI ASTM D3163 Tensile Strength 3,720 PSI ASTM D638-10 Elongation 59% ASTM D638-10 Tensile Modulus (1 day cure) 145,000 PSI ASTM D638-10 Stress @ 5% strain (1 day cure) (7 day cure) 3,600 PSI 5,300 PSI ASTM D790-07 ASTM D790-07 - 2 -

3M™ SMC/Fiberglass Repair Adhesive - 1 08270 Directions for Use SURFACE PREPARATION 1. Wash the surface with soap and water to remove water soluble contaminants. Clean with an appropriate 3M VOC compliant product to remove remaining surface contaminants. Reference the 3M Automotive Aftermarket catalog for a suitable VOC compliant product. 2. Sand the bonding surfaces with a P80 grit 3M abrasive. 3. Remove dust from surface using clean, dry compressed air and a clean rag. 4. SMC and fiberglass DO NOT require an adhesion promoter. If repairing Metton®, apply a light, consistent coat of 3M™ Polyolefin Adhesion Promoter, PN 05907, to the repair area. Allow promoter to dry for 5 minutes before applying adhesive. PRODUCT PREPARATION 1. Insert the cartridge into the applicator gun. 2. Remove the retaining collar and plug from the end of cartridge. Discard the plug. Save the retaining collar. 3. Equalize the cartridge by extruding a small amount of product until both parts A and B dispense equally. 4. Attach the 3M™ Mixing Nozzle, PN 08193 or 08194 to the cartridge and lock it in place with the retaining collar. 5. Dispense a small amount of material out of the nozzle and discard. GENERAL REPAIR PROCESS 1. Dry fit parts to ensure a good fit. 2. Apply a continuous bead of adhesive to one part. 3. Mate the parts and clamp the parts in place for 5 minutes (at 73ºF). APPLICATION WARNINGS 1. DO NOT over clamp. 2. DO NOT use a two part polyester body filler or putty over PN 08270. Bubbling may result. 3. For bonding flexible plastics and/or Metton®, apply a light, consistent coat of the 3M™ Polyolefin Adhesion Promoter, PN 05907, to the bonding surface as the last surface preparation step. Allow the promoter to dry for 5 minutes before applying the adhesive. 4. If bonding metal, first apply a two part epoxy or urethane primer to the metal surface. Once the primer has cured, scuff the bonding surface with a 3M™ Scotch-Brite™ General Purpose Pad-Maroon PN 07447. CLEAN-UP 1. Remove excess PN08270 prior to complete cure by using an appropriate VOC compliant adhesive remover suitable for most surfaces, such as 3M™ Specialty Adhesive Remover (PN38984 / PN38987).Reference the 3M Automotive Aftermarket Catalog for the full line of suitabl e VOC compliant products. Applications See “Product Uses” on page 1. - 3 -

3M™ SMC/Fiberglass Repair Adhesive - 1 08270 Storage and Handling When stored at the recommended conditions in original, unopened containers, this product has a shelf life of at least 12 months from the date of manufacture. Store at room temperature. Rotate stock on a “first-in-first-out” basis. After use, leave the mix nozzle in place to seal the cartridge. Precautionary Information Refer to Product Label and Material Safety Data Sheet for Health and Safety Information before using this product. MSDS Doc# 09-5338-0. Technical Information The technical information, recommendations and other statements contained in this document are based upon tests or experience that 3M believes are reliable, but the accuracy or completeness of such information is not guaranteed. Product Use Many factors beyond 3M’s control and uniquely within user’s knowledge and control can affect the use and performance of a 3M product in a particular application. Given the variety of factors that can affect the use and performance of a 3M product, user is solely responsible for evaluating the 3M product and determining whether it is fit for a particular purpose and suitable for user’s method of application. Warranty, Limited Remedy, and Disclaimer Unless an additional warranty is specifically stated on the applicable 3M product packaging or product literature, 3M warrants that each 3M product meets the applicable 3M product specification at the time 3M ships the product. 3M MAKES NO OTHER WARRANTIES OR CONDITIONS, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OR CONDITION OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR ANY IMPLIED WARRANTY OR CONDITION ARISING OUT OF A COURSE OF DEALING, CUSTOM OR USAGE OF TRADE. If the 3M product does not conform to this warranty, then the sole and exclusive remedy is, at 3M’s option, replacement of the 3M product or refund of the purchase price. Limitation of Liability Except where prohibited by law, 3M will not be liable for any loss or damage arising from the 3M product, whether direct, indirect, special, incidental or consequential , regardless of the legal theory asserted, including warranty, contract, negligence or strict liability. For Additional Health and Safety Information Automotive Aftermarket Division 3M Center, Building 223-6N-01 St. Paul, MN 55144-1000 www.3MCollision.com This is the last page 3M and Scotch-Brite are trademarks of 3M Company. Metton is a registered trademark of Metton America. Printed in U.S.A. ©3M 2014 (6/14)