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 terminals both above and below ground. The heat shrink tubing has an internal adhesive that offers additional protection against moisture and environmental conditions. Key features: medium wall thickness heat shrink tubing, 4:1 shrink ratio, robust insulation, adhesive coated, protection against moisture and other environmental influences.