Avery Dennison
MED 5503SI

Single-Coated, Bilaminate PU Film with a High Tack Soft Silicone Adhesive

MED 5503SI is a single-coated, transparent polyurethane film with a high tack soft silicone adhesive (SSA) for adhering to the skin. The softness, conformability and repositionability of the silicone adhesive offer a high degree of user comfort. The fully-coated silicone adhesive side of the roll is equipped with a blue LDPE release liner.

Typical Application

Designed for conversion as the silicone adhesive component  in multi-layered advanced wound care dressings. Application areas also include patient monitoring and wearables.


Technical Data sheet

Features and Benefits
    • Greatly increases skin adhesion while remaining gentle and soft
    • Repositionable with minimal pain upon removal
    • Secure fixation
    • Transparent
    • Conformable and flexible
    • Non-irritating, non-sensitizing, skin-friendly
    • Atraumatic removal with minimal epidermal stripping
    • EtO sterilizable
Physical Properties (Not intended as a specification.)
Test Method**
Typical Values*
Silicone Adhesive Coat Weight
150 gsm
Silicone Peel Adhesion (Bristol Paper Test)
2.40 N/25 mm
Silicone Liner Release
0.05 N/25mm
Product Construction
Typical Values*
Carrier Thickness
1.6 mils 40 μm
Transparent polyether polyurethane film
Adhesive Coat Weight
150 gsm
Soft silicone adhesive designed for medical applications
Release Liner Thickness
4.0 mils 100 µm

*Refer to product specifications for material acceptance limits.
**Test method information available upon request.


Two years when stored at 23°C (73°F), 50% relative humidity, out of direct sunlight, in original packaging.