The heat soak test is used to minimize the risk of glass breaks caused by the content of nickel sulfide (NiS) after the tempering process. Akarmak offers the following standard size heat soak test ovens to its customers (Glass Height x Length): 2600 x 5200 mm 2800 x 6000 mm 3300 x 6000 mm 3300 x 8000 mm 3300 x 12000 mm The Akarmak Heat Soak Ovens are offered with the following features: Electrical heating up to 300°C Multi-chamber function for larger and longer length ovens Compliance with EN 14179-1 European standard Fully automatic Siemens process control and perfect air homogeneity Calibration and reporting features Reporting feature in requested languages Worldwide installation and after sales service Remote access to PLC via internet.