Vacuum and pressure measuring unit converter

1. After the sample is placed, the two heat insulation plugs should be placed in the correct position. Select a small pressure reducer and connect them as shown in the figure below; 2. Adjust the pressure regulator to the relative pressure ≦0.05Mpa. Open the intake valve and observe the absolute pressure gauge at the intake end. Adjust the flow, observe bubbles, and protect the atmosphere normally.

When cracks occur after ≧5mm, the shrinkage of fiber in non-refractory layer is generally caused by the erosion of volatiles of sintered materials (strong acid and alkali, or lead vapor and vanadium pentaoxide). In actual use cases, some components added in zirconia products of sintered materials and volatiles of dyeing agent of customers are easy to cause cracking of fiber products when caking ... Enter into detail

High purity corundum furnace tube (or corundum products), while making use of its high purity and high temperature quality characteristics, we must follow the inherent characteristics of corundum material (thermal shock resistance is relatively poor, not cold and hot resistance), careful operation in the use process, improper operation will cause the furnace tube or crucible burst (will not be used, please purchase carefully) in order to improve the service life of high purity corundum products, To reduce the loss caused by damage caused by improper use, the following suggestions are put forward for users' reference: ... Enter into detail

Setting of cleaning and sintering curve of spinneret: A Vacuum sintering: 1. The vacuum degree of the cleaning furnace should reach 100 ~200Pa during sintering, and the temperature should rise from room temperature to 350℃ in 60 minutes. The vacuum will start when the temperature reaches 100℃; ... Enter into detail 2. Keep warm at 350℃ for 1 hour. 3. Raise the temperature from 350℃ to 450℃ for another 30min. 4. Keep the temperature at 450℃ for 2 hours. 5. When the temperature in the furnace is less than 100℃, open the intake valve at the temperature and let the furnace.

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