851 Greenback Printed Circuit Board Tape is a green polyester film tape with a special conformable adhesive which resists plating bath chemicals.
The 851 Greenback Printed Circuit Board Tape is a green polyester film tape with a special conformable adhesive designed to resist plating bath chemicals. It features a transparent polyester backing, a special blend of silicone and rubber adhesive, and a thickness of 100 µm.
The tape offers a shelf life of 12 months when stored in its original carton at 21 °C (70 °F) and 50 % relative humidity. Performance data include adhesion to stainless steel of 2.7 N/10 mm, tensile strength of 36.8 N/10 mm, elongation at break of 56 %, and a maximum usable temperature of 90 °C. Application techniques and benefits such as reduced stretch, lower reject rates, and easier clean‑up are also described.
| Adhesive Type | Special blend of Silicone and Rubber |
|---|---|
| Backing | Transparent polyester |
| Thickness | 100 µm |
| Tape Colour | Translucent green |
| Shelf Life | 12 months from date of despatch when stored at 21 °C & 50 % RH |
| Tensile Strength | 36.8 N/10 mm |
| Elongation at Break | 56 % |
| Maximum Temperature | 90 °C |
It lasts 12 months from the date of despatch when stored in the original carton at 21 °C (70 °F) and 50 % relative humidity.
The tape can be used up to a maximum temperature of 90 °C.
The tape thickness is 100 µm.