High heat resistant, high-speed markable and tamper-proof security label
tesa® 6950 is a high heat resistant two-layer, brittle acrylic laser markable film with a special adhesive system. The “UV-Footprint” adhesive leaves an UV-detectable trace on most surfaces as required by GB/T 25978 (P.R.C.) and NHTSA §541.5 (USA) The label is destroyed upon any attempt of removing and tampering and leaves a visible trace (damage of information and label) to prevent re-using and cloning. tesa® 6950 is specially designed to also fulfill the requirements of GB/T 25978 (P.R.C.) for A to F-Type labels (incl. engine and transmission). Marking and cutting are achieved by laser in one step, which makes it possible to realize any desirable label variation and format using only one material.
| Adhesive weight | 25 g/m² |
|---|---|
| Backing material | Acrylic film |
| Thickness of tape | 95 µm |
| Total thickness | 122 µm |
| Type of adhesive | acrylic |
| Type of liner | coated paper |
| Temperature resistance short term | 250 °C |
|---|---|
| Shelf life time | 12 months |
| Temperature resistance long term | 150 °C |
| Chemical resistance | very good |
| Humidity resistance | very good |
| Ageing resistance (UV) | very good |
| Frost resistance | -40 °C |
| Suitable laser | Nd:YAG, Yb:YAG |
| Tamper evidence | yes |
| Adhesion to steel | 1.8 N/cm |
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