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May 7, 2003

Smart Seal Tape4412N

Product description

“Smart seal tape” 4412N is pressure sensitive adhesive tape designed for roof sealing application. Ionomer film substrate is very flexible and high abrasion resistance. 3M beta-tape ,very soft acrylic adhesive laminated on ionomer film has excellent sealing performance and excellent outdoor durability. The combination of these two materials can provide excellent performance in outdoor sealing such as roof panel splicing.

Product construction

Removable Support Film* / Thickness: 0.05mm
Ionomer film / Tape thickness: 2.0mm
Beta-tape acrylic adhesive

*Release coating is on backside of support film.

Adhesive tape can rewind from backside of the release film or from backside of ionomer film.

Properties

Physical data

Item / Value / Note
Tape color / white translucent
Density (g/mm3) / 0.8
25% compression force (N/cm2) / 3.9 / compression speed:10mm, compression in thickness
Elongation at break (%) / 600 / JIS K7162, elongation speed:300mm/min
Tensile strength (N/cm) / 21

2/2

90 peel strength (N/cm)

Substrate
Stainless steel / 9.4
Aluminum / 11.7
Steel / 12.9
Polycarbonate / 10.8
PVC (not plasticized) / 12.9
ABS plastic / 10.5
Backside of 4412N (ionomer film) / 11.2
One-part epoxy sealant / 14.1
Modified silicone sealant / 3.3
Modified silicone sealant after heat aging (80Cx2weeks) / 14.7

Sample width:25mm, Pressure: 10kg steel roller once for each direction

Dwell: room temperature (23℃) for 24hours, Peel speed: 300mm/min.

Splice breakage (N/cm2)

Temperature (C) / -30 / 0 / 23 / 50 / 75 / 100
11.9 / 5.6 / 3.6 / 2.5 / 1.6 / 1.0

Substrate: Stainless steel (SS304), sample size:25mmX50mm, Pressure: 10kg steel roller once for each direction

Dwell: room temperature (23℃) for 24hours, Peel speed: 300mm/min.

Durability (Splice breakage test after aging test, unit:N/cm2)

Heat and water resistance

1 month / 3 months / 6months
Heat aging (80C) / 3.7 / 3.4 / 3.7
Water immersion (40C) / 3.5 / 3.8 / 3.9

Thermal shock resistance

100 cycles
80Cx1h1h transition -20Cx1h / 3.9

Outdoor resistance

300hrs / 1500hrs
Sunshine weather-o-meter / 3.8 / 3.9

*initial:3.6N/cm2

No visual defect such as yellowing, crack or edge lifting was observed

with any aging condition tested.

Specifications and appearance may be changed without prior notice. All statements, technical information and recommendation herein are based on information believed to be reliable, but the accuracy or completeness thereof is not guaranteed. Before utilizing the product, the user should determine the suitability of the product for its intended use. The user assumes all risks and liability whatsoever in connection with such use.Seller's and manufacturer's only obligation shall be to replace such quantity of the product proved to be defective. The statements contained herein are made in lieu of all warranties, expressed or implied. Any statements or recommendations which are not contained herein shall have no force or effect unless contained in an agreement signed by an authorized officer of seller and manufacturer.

Scotch brand is registered trademark of 3M Company. 3M brand is trademark of 3M Company.

SUMITOMO 3M LIMITED Tape & Adhesive Division

2-33-1 Tamagawadai Setagayaku Tokyo