Avery Dennison
MED 218A
Single-Coated Foam
MED 218A is a single-coated white, soft, conformable, thick EVA foam with an acrylic adhesive. This product’s high initial tack and high adhesion provides for an aggressive bond to the skin. The product also contains a heavy duty liner with an easy release, ideal for converting.
Typical Application
Designed for mounting electrodes, grounding pads and other devices for sustained periods.
Features and Benefits
- Conformable
- Moisture Resistant
- High adhesion to skin
- Die-cuttable
- Gamma and EtO sterilizable
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Physical Properties (Not intended as a specification.)
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Test Method**
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Typical Values*
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|---|---|---|
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Peel Adhesion on Polyethylene (PE)
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TDS-01
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0.7 lbf/in 3.0 N/25 mm
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Liner Release
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TDS-06
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6.1 oz/in 346 g/25 mm
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Finat Tack
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TDS-07
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9.4 lbf/in 41 N/25 mm
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Static Shear
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TDS-13
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240 minutes
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Elongation Machine Direction
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TDS-15
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350%
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Elongation Cross Direction
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TDS-15
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325%
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Load at Break Machine Direction
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TDS-15
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8.0 lbf/in 36 N/25mm
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Load at Break Cross Direction
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TDS-15
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5.0 lbf/in 23 N/25mm
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Finat Tack - Unwind
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TDS-07
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5.3 lbf/in 23 N/25 mm
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Product Construction
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Typical Values*
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Description
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Carrier Thickness
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125 mils 3125 μm
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White closed-cell foam
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Adhesive Thickness
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2.4 mils 60 μm
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Acrylic adhesive designed for medical applications
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Release Liner Thickness
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6.8 mils 170 µm
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88# StaFlat
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*Refer to product specifications for material acceptance limits. **Test method information available upon request.
STORAGE AND SHELF LIFE
Two years when stored at 23°C (73°F), 50% relative humidity, out of direct sunlight, in original packaging.
