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.
Features and Benefits
- Conformable
- Breathable
- Moisture resistant
- Heat sealable
- 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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Peel Adhesion on Polyethylene (PE)
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TDS-01
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0.5 lbf/in 2.0 N/25 mm
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Peel Adhesion on Stainless Steel (SS)
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TDS-05
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0.3 lbf/in 1.5 N/25 mm
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Liner Release
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TDS-06
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2.0 oz/in 55 g/25 mm
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Finat Tack
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TDS-07
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1.1 lbf/in 5 N/25 mm
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Static Shear
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TDS-12
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320 minutes
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MVTR
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TDS-16
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190 g/100 in2 per 24 hr 2900 g/m2 per 24 hr
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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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7.9 mils 200 μm
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White, release-coated, 100% rayon (viscose) nonwoven
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Adhesive Thickness
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1.0 mils 25 μm
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Solventless acrylic adhesive designed for medical applications
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Liner Thickness
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2.6 mils 65 µm
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White super-calendered glassine
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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.
