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Technical Data Sheet July 2017 3M Part No.(s) 3M Part Descriptor(s) 08329 3M™ Control -Flow Seam Sealer Product Description 3M™ Control -Flow Seam Sealer uses two-part urethane technology to provide a tough flexible material for the sealing of joints on primed or painted substrates such as steel or aluminum enclosures. 3M™ Control -Flow Seam Sealer works particularly well in areas where a flowable self-leveling type seam sealer is required, it is designed to flow one to two inches then begins to cure preventing further flow out of the material, this feature allows the user to control application preventing excessive waste while maintaining a uniform film thickness even on surfaces that are not level. Features • Two-Part Urethane Technology

  • 200 mL Dual - Syringe Cartridge
  • 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. Container 200 mL Dual-Syringe Cartridge Base Urethane Density lbs/Gallon (Appx.) 8.5 / 8.7 Color Black / Amber Viscosity (CPS) Brookfield Viscometer Base 1,100 - 2,400 cps Consistency Paste Solvent N/A Service Temperature - °F -20°F to 180°F

3M™ Control-Flow Seam Sealer 08329 Product Uses Typical product uses include automotive “roof ditch” applications where a flow grade sealer is required. 3M™ Control -Flow Seam Sealer flows one to two inches then begins to cure, this feature allows the user to control application preventing excessive waste while maintaining a uniform film thickness even on surfaces that are not level. Use with the following applicators: PN 08117 (manual), PN 08571 (manual), and PN 09930 (pneumatic). 3M™ Mix Nozzle: PN 08193 (6/bag), PN 8194 (50/box). For professional use only. Not intended for retail sale. Typical Performance Properties The following times have been determined with ambient air temperature and substrate temperature @ 70°F (21°C) and are considered typical values. WORK TIME: 3 minutes MIX NOZZLE DWELL TIME: 1 minute CURE TIME: 2 hours PAINT TIME: 40 minutes TENSILE STRENGTH:

2490 PSI

ELONGATION: 400% Directions for Use NOTE: 3M Best Practice is that all sealers, unless designated specifically for use on bare metal, be applied to properly prepared automotive paint or primer. SURFACE PREPARATION: NOTE: Apply only to surfaces primed with a 2K urethane, 2K epoxy primer, or clean, sanded paint. Acid etch primers should never be in direct contact with seam sealer. 1. Scuff primed surface with a Scotch-Brite™ General Purpose Hand Pad (Ultrafine), (PN 07448). 2. Blow off dust with clean, compressed air and wipe with an appropriate VOC compliant surface cleaner for the removal of surface contaminates. PRODUCT PREPARATION: 1. Insert cartridge into applicator gun. 2. Remove retaining collar and plug from end of cartridge. Discard plug, save retaining collar. 3. Extrude a small amount of product until both parts A and B dispense equally. 4. Attach 3M™ Mixing Nozzle (PN 08193) to cartridge and lock in place with retaining collar. 5. Dispense a small amount of material and discard. - 2 -

3M™ Control-Flow Seam Sealer 08329 Directions for Use (continued) GENERAL REPAIR PROCESS: Extrude sealer onto surface. Allow to cure a minimum of 15 minutes before beginning the painting process. NOTE: If sealer is allowed to cure more than 24 hours, scuff the sealer prior to any painting steps. APPLICATION WARNINGS: Not to be used in direct contact with acid etch primers. STORAGE: After initial use, leave mix nozzle in place to seal the cartridge. CLEAN-UP: Unmixed material may be cleaned from most surfaces with an appropriate VOC compliant product. Applications Typical applications include automotive “roof ditch” and some “trunk rain gutter” seams where the use of a standard “self leveling” sealer is unacceptable due to flow characteristics. Storage and Handling HANDLING Do not eat, drink or smoke when using this product. Wash exposed areas thoroughly with soap and water. Keep out of the reach of children. Keep container closed when not in use. Avoid breathing of dust created by cutting, sanding, grinding or machining. For industrial or professional use only. Avoid eye contact with dust or airborne particles. STORAGE When stored at the recommended conditions in original, unopened containers, this product has a shelf life of 12 months from the date of manufacture. Store in a dry area at 72°F for optimal shelf life. Store away from acids and other oxidizing agents. After use, leave mix nozzle in place to seal the cartridge. - 3 -

3M™ Control-Flow Seam Sealer 08329 Precautionary Information Before using this product, please reference Product Label and/or Safety Data Sheet for Health and Safety Information. Note: Laws controlling the acceptable amounts of Volatile Organic Compounds (VOC’s) vary by state, and in some cases by locality. For surface preparation and clean- up activities, consult federal, state and local regulations regarding use of products containing VOCs in your area. 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. 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. Printed in U.S.A. ©3M 2017 P.N. 08329 (7/17)