Teknic is the manufacturer of `D` Connection Sleeve with High Chemical Resistance. Teknic is an ISO 9001: 2000 certified company. The `D` Connection Sleeve with High Chemical Resistance is used in explosion protection requirements for electrical equipment, equipment group II, equipment categories 2G and 2D. The connection sleeve establishes an electrical connection between single-core EKL heating cables. The permissible maintenance temperature range is maximum +170 degree C