Standard curing box for cement of model SHBY -40A Stainless steel plate from developed countries is used for the internal bladder. The spray employs ultrasonic humidification, high-power compressor, double-layer vacuum glass door and intellectual instrument with digital display of temperature and humiditym, equipped with micro-printer, which is an idea unit for curing of concrete samples in testing laboratory and quality inspection center, Technical parameters: 1.Accuracy of temperature control: 0.1 2.Temperature difference in the cabinet:≤1 3.Humidity control: ≥95% (Adjustable) 4.Operating voltage: 220V 5.Heating power: 600W 6.Refrigeration duty: 158W 7.Internal dimensions:580X550X1130mm 8.volume for cement samples: 40Groups