Heat shrink tubing MA47. Medium wall thickness heat shrink tubing with adhesive coating and a shrink ratio of 4:1. The tubing provides insulation and protection for low voltage cable connections and joints both above and below ground. The heat shrink tubing has an internal adhesive that offers additional protection against moisture and weather conditions. Key features: medium wall thickness heat shrink tubing, shrink ratio of 4:1, robust insulation, adhesive-coated, protection against moisture and other environmental influences.