Gross Calorific Value Testing Machine, Heat of Combustion Tester for Construction Building Materials ISO‑1716 Oxygen Bomb Calorimeter Building Materials Gross Heat of Combustion Test Apparatus EN ISO 1716 GB/T 14402 Product Specifications Designed for gross calorific value testing of construction materials Measures heat of combustion according to international standards Oxygen bomb calorimeter configuration for accurate results Suitable for building material flammability