Description
The 3M 421 die cut lead discs are backed with a rubber adhesive, offering excellent conformability in a variety of application conditions. These round lead discs perform well in a wide variety of termperature conditions. Electrically and thermally conductive.
Product Features
- Temperature rating: -60° to 225° F / -54° to 106° C
- Good thermal properties
- Performs well in a range of temperature conditions
- Dark silver color
- Rubber (green) adhesive
- Lead foil backing
- All die cuts 3/8″ or larger come standard with a split-back liner; Split liner for smaller dimensions upon request
- Used for a variety of applications (see spec sheet)
Construction
- 4 Mil Aluminum Foil Backing
- 6.6 Mil Total Thickness
- Roll Length – 36 yards
Specifications
- Tensile Strength (lb/in) – 15
- Elongation (%) – 14
- Steel Adhesion (oz/in) – 45