3M™ Circuit Plating Tape 1280 is a polyester film tape with unique adhesive for printed circuit board masking during electroplating.
3M Circuit Plating Tape 1280 is a polyester film tape with a blended silicone‑rubber adhesive, designed for printed circuit board masking during electroplating. The tape is supplied in red rolls of 72 yd (65 m) or 144 yd (132 m) and offers low stretch for both machine and hand application.
Key specifications include a backing thickness of 0.9 mil (0.02 mm), total tape thickness of 3.6 mil (0.091 mm), adhesion to steel of 31 oz/in width, tensile strength of 30 lb/in width, and 135 % elongation. The product should be stored at 60°‑80°F (16°‑27°C) with 50 % RH and used within 18 months of manufacture. Warranty and liability terms are provided by 3M.
| Backing Thickness | 0.9 mil (0.02 mm) |
|---|---|
| Total Tape Thickness | 3.6 mils (0.091 mm) |
| Adhesion to Steel | 31 oz./in. width (33.9 N/100 mm) |
| Tensile Strength | 30 lbs./in. width (6525.4 N/100 mm) |
| Elongation | 135 % |
Store the tape under normal conditions of 60° to 80°F (16° to 27°C) and 50 % relative humidity.
Use the product within 18 months from the date of manufacture for best performance.
The tape must be firmly pressed down by equipment with rubber‑covered rollers; hand rolling alone is insufficient.