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.

documents

Technical Data sheet

Features and Benefits
  • Conformable
  • Moisture Resistant
  • High adhesion to skin
  • Die-cuttable
  • Gamma and EtO sterilizable
Physical Properties (Not intended as a specification.)
Test Method**
Typical Values*
Peel Adhesion on Polyethylene (PE)
TDS-01
0.7 lbf/in 3.0 N/25 mm
Liner Release
TDS-06
6.1 oz/in 346 g/25 mm
Finat Tack
TDS-07
9.4 lbf/in 41 N/25 mm
Static Shear
TDS-13
240 minutes
Elongation Machine Direction
TDS-15
350%
Elongation Cross Direction
TDS-15
325%
Load at Break Machine Direction
TDS-15
8.0 lbf/in 36 N/25mm
Load at Break Cross Direction
TDS-15
5.0 lbf/in 23 N/25mm
Finat Tack - Unwind
TDS-07
5.3 lbf/in 23 N/25 mm
Product Construction
Typical Values*
Description
Carrier Thickness
125 mils 3125 μm
White closed-cell foam
Adhesive Thickness
2.4 mils 60 μm
Acrylic adhesive designed for medical applications
Release Liner Thickness
6.8 mils 170 µm
88# StaFlat

*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.