These are extremely flexible heating elements. They provide heat through conduction heat transfer for Preheat / PWHT of welded joints. Stranded Nickel-Chromium wire is threaded through two-hole and single-hole ceramic beads which are staggered such that a cohesive mat is formed.
The ceramics are extremely hard and durable sintered alumina content. They should not be confused with regular ceramics which are breakable. These ceramics are designed to transfer heat quickly. The heat conductivity is excellent. The electrical strength is high at elevated temperatures.
These elements are basically of 60 V, 2.7 kW with a current carrying capacity of 45 Amps (max). The heating elements can be simply wrapped around the pipes or jobs and secured in position with strips. The element tails are connected to the power source by suitably rated cabling system.
