**BUY NOW** | PORTACAL® Hydrogen calibration gas. Hydrogen (H2) is very flammable and burns with an invisible flame. It burns when it comes into contact with oxygen. Hydrogen is commonly used in the petroleum and chemical industries and is also widely used for many physics and engineering applications such as welding or as a coolant.
Use PORTACAL® Hydrogen calibration gas to be sure your gas detection instrumentation is functioning properly.