Analyze the change rule of shrinkage of polyurethane elastomer research and influence
In order to select the shrinkage rate of large cast polyurethane elastomer products more accurately, the influences of process conditions, environmental factors...
For the polyurea spraying equipment should take what kind of recommendations
polyurea is a set of waterproof, anticorrosion, wear-resistant, protection of multiple performance materials, but there is a certain range of tolerance, polyure...
Introduction to the spraying operation of polyurea waterproof and anti-corrosion construction
Polyurea waterproof and anti-corrosion construction is generally spraying operation, in front of the small series to tell you why the reason for spraying, I bel...
How to dig trenches with a small excavator
Small excavators have large output and high efficiency.Excavators should be selected according to the size of the project and transportation conditions.How to d...