This duct tape is made of polyester scrim laminated to silver polyethylene film and is coated with a calendared natural rubber adhesive. This water-resistant, 8.5 mil thick tape is silver in colour. Durable in temperatures up to 50 Degrees C, this tape measures 55 metres x 48 millimetres. This utility tape has an adhesive strength of 65 ounce per inch and a tensile strength of 25 lbs per inch.