Product Construction
Backing material | cloth |
Color | white |
Color of liner | brown |
Total thickness | 235 µm |
Type of adhesive | synthetic rubber |
Type of liner | glassine |
Removable d/s PET-cloth, differential rubber based adhesive system
tesa® 4939 is a double-sided floor laying tape. It consists of a strong PET-cloth backing in combination with a differential rubber adhesive system.
Backing material | cloth |
Color | white |
Color of liner | brown |
Total thickness | 235 µm |
Type of adhesive | synthetic rubber |
Type of liner | glassine |
Backing material | cloth |
Color | white |
Color of liner | brown |
Total thickness | 235 µm |
Type of adhesive | synthetic rubber |
Type of liner | glassine |
Elongation at break | 25 % |
Tensile strength | 38 N/cm |
Static shear resistance at 70°C | medium |
Humidity resistance | good |
Static shear resistance at 40°C | good |
Fogging | very good |
Chemical resistance | good |
Tack | very good |
Temperature resistance short term | 80 °C |
Ageing resistance (UV) | medium |
Temperature resistance long term | 40 °C |
Elongation at break | 25 % |
Tensile strength | 38 N/cm |
Static shear resistance at 70°C | medium |
Humidity resistance | good |
Static shear resistance at 40°C | good |
Fogging | very good |
Chemical resistance | good |
Tack | very good |
Temperature resistance short term | 80 °C |
Ageing resistance (UV) | medium |
Temperature resistance long term | 40 °C |
Adhesion to PE (initial) | 2.5 N/cm |
Adhesion to PE (after 14 days) | 2 N/cm |
Adhesion to PE (covered side, initial) | 4.5 N/cm |
Adhesion to PE (covered side, after 14 days) | 5 N/cm |
Adhesion to PP (initial) | 4.5 N/cm |
Adhesion to PP (after 14 days) | 2.5 N/cm |
Adhesion to PP (covered side, after 14 days) | 5 N/cm |
Adhesion to PP (covered side, initial) | 6.5 N/cm |
Adhesion to Steel (initial) | 7.5 N/cm |
Adhesion to Steel (after 14 days) | 5.5 N/cm |
Adhesion to Steel (covered side, after 14 days) | 8 N/cm |
Adhesion to Steel (covered side, initial) | 9 N/cm |
Adhesion to PE (initial) | 2.5 N/cm |
Adhesion to PE (after 14 days) | 2 N/cm |
Adhesion to PE (covered side, initial) | 4.5 N/cm |
Adhesion to PE (covered side, after 14 days) | 5 N/cm |
Adhesion to PP (initial) | 4.5 N/cm |
Adhesion to PP (after 14 days) | 2.5 N/cm |
Adhesion to PP (covered side, after 14 days) | 5 N/cm |
Adhesion to PP (covered side, initial) | 6.5 N/cm |
Adhesion to Steel (initial) | 7.5 N/cm |
Adhesion to Steel (after 14 days) | 5.5 N/cm |
Adhesion to Steel (covered side, after 14 days) | 8 N/cm |
Adhesion to Steel (covered side, initial) | 9 N/cm |
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