3 aluminum foil tape 425 427 product description 3m aluminum foil tapes 425 and 427 are 5 mil nominal dead soft aluminum foil backing combined with a transparent acrylic adhesive. 3m aluminum foil tape 427 offers an easy-release liner. typical physical properties features flame resistant. meets u.l. 746c (file e 122798) and 723, class ??low flammability rating (file r 7311). 3m aluminum foil tape 425 can be certified to meet sae-ams-t-23397 and l-t-80b. meets requirements of f.a.r. 25.853(a). the very low moisture vapor transmission rate makes these tapes a good sealant. the acrylic adhesive, combined with the durable aluminum backing, offers ideal properties for long serviceable life in and outdoors. good candidate as a maskant in electroplating of aluminum because it will not contaminate the bath. aluminum backing provides excellent reflection of both heat and light. best results obtained when applied to a clean, dry surface above 32? (0?). technical data april, 2008 note: the following technical information and data should be considered representative or typical only and should not be used for specification purposes. astm test method adhesion to steel: d-3330 3m aluminum foil tape 425 47 oz./in. width (51 n/100 mm) 3m aluminum foil tape 427 50 oz./in. width (55 n/100 mm) tensile strength: 30 lbs./in. width (525 n/100 mm) d-3759 backing thickness: 2.8 mils (0.07 mm) d-3652 total tape thickness: 4.6 mils (0.12 mm) d-3652 liner thickness: d-3652 3m aluminum foil tape 427 3.1 mils (0.08 mm) elongation at break: 8% d-3759 temperature use range: -65 to 300? (-54 to 149?) water vapor 0.1g h 2 o/100 sq. in./24 hrs. d-3833 transmission rate: (1.55 g/m 2 /24 hrs.) approximate weight: 0.013 lbs./yd./in. width (4.77 gms/m/24 mm) product construction backing adhesive color liner standard roll length dead soft acrylic shiny silver easy-release paper 60 yds. (55 m) aluminum (3m aluminum foil tape 427) important: these tapes are not intended for medical usage. neither 3m nor the food and drug administration have evaluated or reviewed this tape for medical application. 3m does not recommend or endorse the usage of the aluminum tape for medical application. user assumes all risk and liability whatsoever in connection with usage of product in a medical application.
application ideas aircraft paint stripping maskant. moisture barrier in ?hite goods?appliances. general purpose heat reflector and heat dissipator. mechanically hold wires and cooling coils in ?hite goods?appliances. repair tears on truck trailers and aircraft. splicing of thin gauge foils. general purpose holding, patching, sealing applications indoors and out. 3m aluminum foil tape 425 ?427 storage store under normal conditions of 60 to 80? (16 to 27?) and 40 to 60% r.h. in the original carton. shelf life to obtain best performance, use this product within 24 months from date of manufacture. 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. technical information many factors beyond 3m s control and uniquely with user s knowledge and control can affect the use and performance of a 3m product in a particular application. 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. 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. warranty, limited remedy, and disclaimer 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. limitation of liability this industrial adhesives and tapes division product was manufactured under a 3m quality system registered to iso 9001: 2000 stan dards. iso 9001:2000 3m is a trademark of 3m company. printed in u.s.a. ?m 2008 70-0707-7622-7 (4/08) recycled paper 40% pre-consumer 10% post-consumer 3 industrial adhesives and tapes division 3m center, building 21-1w-10, 900 bush avenue st. paul, mn 55144-1000 800-362-3550 ?877-369-2923 (fax) www.3m.com/industrial
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