8777

8777 3M | Alldatasheet

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Technical content

June, 2011 3M™ Sealing Tape 8777 Product Description 3M™ Sealing Tape 8777 is a self-adhered, waterproof membrane designed for sealing on dicult to stick to surfaces. This product has a unique acrylic pressure sensitive adhesive that aggressively sticks and stays stuck both at lower and higher application temperatures. The proprietary backing seals around hand driven nails and staples to prevent moisture intrusion. This backing is tough, resists punctures and tears, yet it is thin and conformable to t conveniently into corners. Product Features

3M™ Sealing Tape 8777 Technical Information Note The following technical information and data should be considered representative or typical only and should not be used for specication purposes. Typical Physical Properties Property Values Method EnvironmentalCondition Notes Color Tan Total Tape Thickness 0.25 mm 9.9 mil ASTM D3652 Backing Proprietary Film Adhesive Acrylic Liner Heavy Paper, split Water Vapor Transmission 0.19 Perms ASTM E96 Nail Sealability Pass ASTM E331 Initial Nail Sealability Pass ASTM E331 After Thermal Cycling Wall Assembly Fire Test 5 NFPA 285 Pass as part of various assemblies with foam plastic insulation Typical Performance Characteristics Table continued on next page 90° PeelAdhesion Substrate Dwell/Cure Time Dwell Time Units Temp C Temp F EnvironmentalCondition

5.5 N/cm 50 oz/in Housewrap (Spun bonded polyethylene)

6.6 N/cm 60 oz/in High Density Polyethylene (HDPE)

6.6 N/cm OSB

7.7 N/cm 70 oz/in Anodized Aluminum 7 day 80C 176F

7.1 N/cm 65 oz/in Anodized Aluminum 7 day Water

8.2 N/cm 75 oz/in Anodized Aluminum After Thermal Cycling

3M™ Sealing Tape 8777 Typical Performance Characteristics (continued) 90° PeelAdhesion Substrate Dwell/Cure Time Dwell Time Units Temp C Temp F EnvironmentalCondition

6.6 N/cm 60 oz/in Anodized Aluminum After UV Exposure

Property: 90° Peel AdhesionMethod: ASTM D3330-F Property Values Method Attribute Modier Service Temperature Range -40 to 116 °C -40 to 240 °F AAMA 711-05 Application Temperature -18 to 49 °C 0 to 120 °F Surface Burning Characteristics 25 ASTM E84 Flame Spread Index Available Sizes Property Values Standard Roll Length 22.8 m 25 yd Available Sizes Available in rolls of three widths: 4 inches x 75 feet (101 mm x 22.8 m) 12 rolls/case 6 inches x 75 feet (152 mm x 22.8 m) 8 rolls/case 9 inches x 75 feet (228 mm x 22.8 m) 4 rolls/case Handling/Application Information Application Ideas

• Sealing joints around sills, jambs and heads of rectangular windows in wood frame construction. • Sealing around other wall interruptions in non-roof areas, such as thresholds, dryer vents and hose bibs. • When installed properly as a concealed ashing in vertical walls in frame construction, it prevents moisture intrusion and avoids the problems caused by water inltration.

3M™ Sealing Tape 8777 Handling/Application Information (continued) Surface Preparation Storage and Shelf Life Store under normal conditions of 60-80°F (16-27°C) and 40-60% R.H. in the original carton. To obtain best performance, use this product within 24 months from date of manufacture. Industry Specications Trademarks 3M is a trademark of 3M Company. References Property Values 3m.com Product Page https://www.3m.com/3M/en_US/company-us/all-3m-products/~/3M-Sealing-Tape-8777?N=5002385+3293193630&rt=rud Safety Data Sheet (SDS) https://www.3m.com/3M/en_US/company-us/SDS-search/results/?gsaAction=msdsSRA&msdsLocale=en_US&co=ptn&q=8777 This Industrial Adhesives and Tapes Division product was manufactured under a 3M quality system registered to ISO 9001 standards.

3M™ Sealing Tape 8777 Information 3M United States 3M Center St. Paul, MN 55144-1000 800-362-3550 www.3M.com Please recycle. © 3M 2021. All Rights Reserved. The brands listed above are trademarks of 3M Technical Information: The technical information, guidance, and other statements contained in this document or otherwise provided by 3M are based upon records, tests, or experience that 3M believes to be reliable, but the accuracy, completeness, and representative nature of such information is not guaranteed. Such information is intended for people with knowledge and technical skills sucient to assess and apply their own informed judgment to the information. No license under any 3M or third party intellectual property rights is granted or implied with this information. Warranty, Limited Remedy, and Disclaimer: Unless a dierent warranty is specically stated on the applicable 3M product packaging or product literature (in which case such warranty governs), 3M warrants that each 3M product meets the applicable 3M product specication 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, FITNESS FOR A PARTICULAR PURPOSE, OR ARISING OUT OF A COURSE OF DEALING, CUSTOM, OR USAGE OF TRADE. If a 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 for the limited remedy stated above, and except to the extent prohibited by law, 3M will not be liable for any loss or damage arising from or related to the 3M product, whether direct, indirect, special, incidental, or consequential (including, but not limited to, lost prots or business opportunity), regardless of the legal or equitable theory asserted, including, but not limited to, warranty, contract, negligence, or strict liability.