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DyPerm™ Tape: Vapor Barrier Tape
DyPerm Tape is a zero-perm 3-ply vapor barrier tape used to secure DyPerm Wrap seams and can be factory or field applied, although Dyplast generally recommends factory application. DyPerm Tape is made with 1 mil aluminum foil and a 0.5 mil polyester film on both sides. The tape is coated with a cold weather solvent acrylic pressure sensitive adhesive system which combines superior quick stick at normal temperatures and superior low temperature performance below freezing.
Product Physical Properties
| Property |
English |
Metric |
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| Total Product Thickness |
4.0 mils |
101.6 µm |
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| Thickness (Carrier) |
2.5 mils |
63.5 µm |
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| Thickness (Adhesive) |
1.5 mils |
39.1 µm |
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| Peel Adhesion |
60 oz/in |
17 N/25mm |
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| Shear Strength |
Indefinite @ 2.2psi |
Indefinite @ 15.2kPa |
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| Tensile Strength |
15 lb/in width |
68 N/25mm |
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| Elongation |
50% |
50% |
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| Minimum Continuous Temperature |
-30°F |
-34°C |
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| Maximum Continuous Temperature |
300°F |
149°C |
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