The CellPack heatshrink without adhesive is green and yellow, offering a 3:1 shrinkage ratio. It is typically used for electrical insulation and cable protection. This product, SB18-6, measures 18 mm in diameter and is 7 m in length. https://elecena.pl/product/28531375/cellpack-204312-heatshrink-3-1-green-yellow-18mm-shrinkable-tube 2025-04-24 https://elecena.pl/product/28531375/cellpack-204312-heatshrink-3-1-green-yellow-18mm-shrinkable-tube 2026-07-16