TESA^® DOUBLE-SIDED TAPES

TESA® DOUBLE-SIDED TAPES

tesa® 4914 Low VOC

250 μm double sided translucent non woven tape with asymmetrical product design.

Product Description:

tesa® 4914 is a double-sided industrial mounting tape consisting of a non-woven backing and a highly tackified acrylic adhesive. The asymmetrical non-woven tape is especially designed for excellent performance on rough surfaces like leather and textiles, or plaster and stone.

The liner-covered side of tesa® 4914 has a high coating weight for maximum flexibility and versatility for multiple surface demands, particularly very rough surfaces. The open side has a reduced coating weight that delivers a secure bond to flat surfaces under controlled conditions. The mounting tape is able to withstand numerous environmental factors such as humidity, UV light, and temperatures of up to 140°C for limited periods of time. The tackified acrylic adhesive offers excellent hold on various surfaces, very high tack, and good shear strength. The adhesive is coated on a flexible and conformable cellulose non-woven backing that even conforms to difficult 3D shapes.

Main features:

Asymmetrical product design with superior adhesion on liner-covered side
Excellent performance on rough surfaces like leather and textiles
Reliable bond, often also on low surface energy surfaces
Low VOC according to VDA278 analysis
Flame retardant according to FAR/JAR/CS 25.853(a) Appendix F part I (a)(1)(ii)

Application Fields:

tesa® 4914 is suitable for various types of mounting applications
Bonding leather and textiles as sewing support
Laminating foamed materials in combination with smooth materials on the open side
Mounting car roof linings in car production
Mounting cables and wire harnesses to headliners for automotive interiors

Product Construction:

Backing material non-woven
Color translucent
Color of liner red
Thickness of liner 80 µm
Total thickness 250 µm
Type of adhesive type: tackified acrylic
Type of liner type: PE
Weight of liner 92 g/m²

Adhesion to:

Adhesion to Steel (covered side, after 14 days) 9.3 N/cm
Adhesion to Steel (covered side, initial) 8.2 N/cm

Property evaluation:

Elongation at break 3 %
Tensile strength 8 N/cm
Softener resistance good
Temperature resistance short term 140 °C
Static shear resistance low
Ageing resistance (UV) good
Humidity resistance good
Tack good
Chemical resistance good
Temperature resistance min. -40 °C
Static shear resistance at 40°C low
Temperature resistance long term 80 °C
Static shear resistance at 23°C low

Additional Info
According to VDA278 analysis, tesa® 4914 does not contain any single substances restricted by the drafted GB regulations (China) as well as the indoor concentration guideline by Health, Labour and Welfare Ministry (Japan).

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