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August, 2019 3M™ Scotch-Seal™ Tamper Proof Sealant 1252 Product Description 3M™ Scotch-Seal™ Tamper Proof Sealant 1252 is a fast drying, anti-tamper sealer which is re retardant. Product Features

  • Can be applied over adjustable or removable parts to indicate changes in adjustment or other evidence of tampering by a break in the seal when the part is altered in position.
  • Has been eectively used in the electronics industry to protect settings and calibrations of electronic equipment against tampering, to seal electronic components between stages of assembly, to aid in the visual inspection of subassembly components, equipment and parts which are restricted to adjustment, alteration, or access by qualied personnel.
  • Exposed surfaces will accept ink from an inspector’s approval stamp and can be marked as soon as 20 seconds after the sealer application.

3M™ Scotch-Seal™ Tamper Proof Sealant 1252 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 Uncured Physical Properties Property Values Notes Color White Colors may vary from nearly white to yellow/amber. Adhesive performance is not aected by color variation. Base Nitrile Typical Physical Properties Property Values Net Weight 13.1 to 14.1 lb Solids Content by Weight 61 to 73 % Flash Point -4 °C 20 °F Solvent Resistance Methyl ethyl ketone (MEK) Dry Time A 1/8" layer of 3M™ Scotch-Seal Tamper Proof Sealant 1252 is tack- free in 20 seconds and suitable for stamping with ink. Typical Performance Characteristics Friability Easily crumbled when the surface to which it is applied is exed or twisted.

3M™ Scotch-Seal™ Tamper Proof Sealant 1252 Typical Performance Characteristics (continued) Typical Performance Characteristics

  • Drying Time: A 1/8" layer of 3M™ Scotch-Seal Tamper Proof Sealant 1252 is tack-free in 20 seconds and suitable for stamping with ink.
  • Hardness: After 24 hours @ 77°F (25°C), 50% R.H., has a Shore A hardness of 97-99.
  • Friability: Easily crumbled when the surface to which it is applied is exed or twisted.
  • Flammability: Dry lm of the sealant is re retardant and ames will extinguish themselves within 15 seconds.
  • Dielectric Strength: 100 volts/mil, minimum, Fed. Standard #406, Method 4031.
  • Surface Resistivity: 1010 ohms, minimum, Fed. Standard #406, Method 4041.
  • Volume Resistivity: 1010 ohms-cm, minimum, Fed. Standard #406, Method 4041.
  • Heat Resistance: Dried for 24 hours @ 77°F (25°C) 50% R.H., withstands 200°F (93.3°C) for 72 hours without loss of adhesion or sagging.
  • Fluid Resistance: Cured 24 hours @ 77°F (25°C) 50% R.H. was immersed in the following uids: MIL-L-7808 Oil Moderate softening; good adhesion Aviation Gas (115/145) Slight softening; good adhesion 3% Salt Water No eect Tap Water No eect JP-4 Fuel Slight softening; good adhesion
  • Adhesion Overlap (Shear Strength) Aluminum (Alclad) Steel Average of 6 173 psi 164 psi 1" x 11/2" overlap – 10 mil thick bond line. Specimens were cured for 24 hours @ 77°F (25°C).
  • Overlap Shear: 1" x 11/2" – 10 mil thick lms cured 24 hours @ 77°F (25°C).
  • Corrosion: After 72 hours @ 77°F (25°C) there is no evidence of corrosion on steel, aluminum, brass or silver.
  • Low Temp. Shock: Dried lms 1/16" thick withstand 3 foot-lbs. shock at -20°F (-29°C) without loss of adhesion. Handling/Application Information Directions for Use Application: One-part, air drying compound suitable for hand extruding from a collapsible metal tube. Surfaces must be clean, dry and dust free. Cleanup: Excess sealant may be removed from application equipment with a solvent such as 3M™ Scotch-Grip™ Solvent No. 3 or methyl ethyl ketone (MEK).* *Note: When using solvents, extinguish all ignition sources, and follow the manufacturer’s precautions and directions for use.

3M™ Scotch-Seal™ Tamper Proof Sealant 1252 Storage and Shelf Life Store at 60-80°F (16-27°C) for maximum storage life. Higher temperatures reduce normal storage life. Lower temperatures cause increased viscosity of a temporary nature. Tubes must be stored in an inverted position (tips down). Rotate stock on a “rst in-rst-out” basis. When stored in the original unopened container, under the conditions recommended, this product has a shelf life of 12 months from date of manufacture. Trademarks 3M, Scotch-Seal and Scotch-Grip are trademarks of 3M Company. References Property Values 3m.com Product Page https://www.3m.com/3M/en_US/company-us/all- 3m-products/~/3M-Scotch-Seal-Tamper-Proof- Sealant-1252?N=5002385+3293194232&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=1252 This Industrial Adhesives and Tapes Division product was manufactured under a 3M quality system registered to ISO 9001 standards.

3M™ Scotch-Seal™ Tamper Proof Sealant 1252 Information 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. Product Selection and Use: Many factors beyond 3M’s control and uniquely within user’s knowledge and control can aect the use and performance of a 3M product in a particular application. As a result, customer is solely responsible for evaluating the product and determining whether it is appropriate and suitable for customer’s application, including conducting a workplace hazard assessment and reviewing all applicable regulations and standards (e.g., OSHA, ANSI, etc.). Failure to properly evaluate, select, and use a 3M product and appropriate safety products, or to meet all applicable safety regulations, may result in injury, sickness, death, and/or harm to property. 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.

3M™ Scotch-Seal™ Tamper Proof Sealant 1252 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