Product descriptiontesa® 4688 is a PE-coated cloth repair tape based on a 55 mesh woven PET/rayon fabric backing coated with a pressure-sensitive natural rubber adhesive. It is suitable for general repairing, marking, bundling and sealing tasks, offering good unwind and hand-tearability.
Features- strong adhesion, even on rough surfaces
- waterproof
- easy to unwind and hand-tearable
- total halogen content < 1000 ppm; total sulphur content < 1000 ppm (certified for nuclear applications)
Application Fields- marking, masking, packaging, protecting, fastening, closing
- closing of cartons, tins, etc.
- fixing and bundling of wires and cables
- splicing of films; marking parts during maintenance in nuclear power plants
Product ConstructionAdhesive type: natural rubber
Backing material: PE extruded cloth (55 mesh woven PET/rayon fabric)
Liner type: none
Total thickness: 260 µm
Properties / Performance ValuesElongation at break: 9 %
Tensile strength: 52 N/cm
Dielectric breakdown voltage: 2,900 V
Water resistance: good
Abrasion resistance: good
Straight tear edge: good
Temperature resistance (30 min): 110 °C
Hand tearability: good
Temperature resistance (removability from aluminium after 30 min exposure): 110 °C
Mesh: 55 count per square inch
Adhesion to ValuesAdhesion to steel: 4.5 N/cm (2.57 lbs/in)
Additional InfoMeets LV 312-1 dielectric strength requirement 7500 V (3 layer). Certified by AREVA according to Siemens AG standard TLV 9027/01/06 for nuclear power station use (total halogen < 1000 ppm; total sulphur < 1000 ppm).
Technical specifications- Adhesive: natural rubber
- Backing: PE extruded cloth (55 mesh PET/rayon)
- Liner: none
- Total thickness: 260 µm
- Elongation at break: 9 %
- Tensile strength: 52 N/cm
- Dielectric breakdown voltage: 2,900 V
- Water resistance: good
- Abrasion resistance: good
- Hand tearability: good
- Adhesion to steel: 4.5 N/cm