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Avery Dennison
MED 4750U

Single-Coated Nonwoven

MED 4750U is a single-coated, water-repellent, white rayon (viscose) nonwoven with a solventless acrylic adhesive. This product’s combination of a breathable adhesive and a unique water repellent carrier allows for long term wear and optimum patient comfort; it also acts as a fluid barrier, assisting to maintain its adhesion properties.


Typical Application

Designed for fixation devices, electromedical devices and wound care applications.

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Technical Data sheet

Features and Benefits
  • Conformable
  • Breathable
  • Moisture resistant
  • Heat sealable
  • Die-cuttable
  • Gamma and EtO sterilizable
Physical Properties (Not intended as a specification.)
Test Method**
Typical Values*
Peel Adhesion on Polyethylene (PE)
TDS-01
0.5 lbf/in 2.0 N/25 mm
Peel Adhesion on Stainless Steel (SS)
TDS-05
0.3 lbf/in 1.5 N/25 mm
Liner Release
TDS-06
2.0 oz/in 55 g/25 mm
Finat Tack
TDS-07
1.1 lbf/in 5 N/25 mm
Static Shear
TDS-12
320 minutes
MVTR
TDS-16
190 g/100 in2 per 24 hr 2900 g/m2 per 24 hr
Product Construction
Typical Values*
Description
Carrier Thickness
7.9 mils 200 μm
White, release-coated, 100% rayon (viscose) nonwoven
Adhesive Thickness
1.0 mils 25 μm
Solventless acrylic adhesive designed for medical applications
Liner Thickness
2.6 mils 65 µm
White super-calendered glassine

MVTR, moisture vapor transmission rate.
*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.