halogen free tube

Wed, 22 Apr 2026 14:33:17 +0800

Introduction

When we talk about a halogen-free tube, we are talking about a rugged industrial infrared heater built for process heating. This is the workhorse you spec for heating plastics, curing coatings, or shrinking components. The “halogen-free” designation means the filament chemistry is engineered to avoid halogen gas, eliminating the risk of corrosive gas release and meeting strict environmental and safety standards.

Technical Deep-Dive: Power, Voltage, and Dimensions

We design these tubes around a specific thermal load profile. Common power ratings run from 500W to 2500W, with lengths typically ranging from 300mm to 1200mm. The wattage density determines the heat flux you get per unit length. A shorter, higher-wattage tube gives you intense heat in a tight footprint; a longer, lower-wattage tube spreads the heat for broader coverage. Voltage is a key driver. Many units are offered at 400V to match three-phase industrial power. Running at higher voltage reduces current for the same power, which means smaller wiring, lower I²R losses, and less heat buildup in the terminals. You can also find 230V versions for single-phase lines. The takeaway: pick the voltage that matches your machine’s supply to keep the control wiring simple and the terminal blocks cool.

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halogen free tube

Introduction

Technical Deep-Dive: Power, Voltage, and Dimensions