The temperature range of thermal fer tape is from long-term temperature 260 (500) to short-term temperature 300 (572), the temperature range is -30 - 300. Thermal fer tape protects product surfaces well in painting, welding, ironing, etc. 1 pack contains 4 rolls of thermal tape, including 2 rolls of 10mm x 30m 98ft high temperature tape and 2 rolls of 20mm x 30m 98ft high temperature tape, 2 sizes to meet your different needs . Choose our high temperature tape for its versatility, durability and reliability. This thermal tape is widely used in industrial and scientific fields. The heat press tape is not only suitable for sublimation mugs, but also very suitable for 3D printers, T-shirts, and PCB circuit boards. High quality thermal tape for a variety of DIY projects, supplying heat tapes in the electronics industry. Thermal fer tape is a polyimide film tape with high temperature adhesive. Easy to apply, neat edges, green lucent, not easy to break when peeling. High temperature tape for heat pressing has excellent resistance after peeling off. Even uneven surfaces can be easily wrapped with heat- craft tape. Colour:B:Green Material:polyester film tape Package Contents: 1set * high heat tape Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.