What’s the Difference between DucT Tape and DucK Tape?

Duct tape is a silver cloth-based tape. It came to be known as duct tape because it was once used on HVAC ducting, which is also where the silver color came from.

What is Duct Tape?

What Is It Made Of?

Cloth

Plastic

Adhesive

The plastic layer is polyethylene, which is also used for bottles. This plastic layer helps hold everything together and adds some water resistance to the tape.

There is a fabric (typically low thread count), which is why the tape is cloth-based. This was added to the initial design to prevent shearing.

The adhesive is rubber-based. Rubber is mixed with resin to create the sticky layer of the tape. This adhesive also contributes to shear strength in the tape.

But what is Duck Tape?

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