The optimum humidity is 80.
Bread proofing box is an electric heating product designed according to the principle and requirements of bread fermentation. It uses the electric heating tube to heat the water in the water pan in the box through the temperature control circuit, so that it produces the most suitable fermentation environment with relative humidity of 80-85% and temperature of 35-40℃, which is convenient to form and safe and reliable to use. It is an essential supporting equipment to improve the quality of bread production.