Rectangle Powder Coating Discs are designed for electronic manufacturing and are primarily used during the solder wave process. They are made of 2 mil polyester with 1.5 mil silicone adhesive. They can withstand temperatures of up to 300°F/150°C. The discs are packaged in 3" core roll.
NOTE: The first number of the description is the internal diameter and the second number is the outer diameter. For example, 1" x 2" means these discs have an internal diameter of 1" and outer diameter of 2".