Electric blow heater

Mon, 01 Jun 2026 03:29:23 +0800

Introduction

We built this electric blow heater for engineers who just need a heat source they can count on, day in and day out. Think of it as a high-intensity infrared heating lamp, purpose-built for the direct, focused heat you need in industrial blow-molding and curing. This isn’t some generic space heater you’d find in an office. It’s a proper thermal tool, designed to fit a specific spot and deliver heat that’s repeatable, every single time.

The Power Behind It

Here’s the thing about this heater: it’s all about power density. We set it up to run on 400V, which lets us push a lot of current through a compact 300mm tube without losing stability. That gives you 2500W of output packed into a 300mm length. It’s a high watt-density profile, plain and simple. The physics are straightforward: more power in a smaller footprint means you get faster heat-up times. That’s crucial when you’re trying to melt resin or set a coating in seconds, not minutes. But with that kind of power, you need to make sure the machine it’s on has a properly rated cooling system to handle the heat.

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Electric blow heater

Introduction

The Power Behind It