High pressure is widely used in polyurethane products, and polyurethane products are widely used in daily life. Because its working principle is to introduce air into the aqueous solution of the foaming agent, the foaming agent and the air are fully integrated to form a bubble cavity. 　　 There are m

Nowadays, the development speed of all walks of life is abundant and fast. Many companies are using some better machinery and equipment. Some equipment has just come out, so many manufacturers do not know how to use it. Polyurethane foaming machines are used in many industries, and how to operate th

The spraying polyurea construction operation should be carried out under the conditions that the construction environment temperature is greater than 5°C, the relative humidity is less than 85%, and the base surface temperature is 3°C greater than the dew point temperature.If the temperature of the

——Rock wool is an artificial light silicate discontinuous flocculent fiber material with a soft texture, a density of 150kg/m3, and a thermal conductivity of about 0.07W/(m·K). Its chemical stability is good, acid and alkali resistance. Although the fiber of rock wool is fine, it is neither brittle

On November 24, the 10th bauma CHINA 2020 kicked off at the Shanghai New International Expo Center. Major companies made major debuts with leading products, demonstrating the hard-core strength of China's construction machinery. bauma CHINA is the abbreviation of China International Construction Mac