Slurry pump spray polyurethane advantage

Slurry pump is a pump for conveying solid-liquid mixture, there are many types of solid-liquid pump: Centrifugal, Francis, screw-type and so on. We call the slurry pump is actually a centrifugal solid-liquid pump. Slurry pumps are suitable for transporting solid-liquid mixtures with strong ab.......

Handling of common problems with LED lights

1. The LED runs dark for a while, which is caused by the excessive current flowing through the switching power supply lead. It can be checked whether the total current of the lead exceeds the current valu.......

Fiberboard classification

It is usually divided into two categories, non-compressed and compressed, according to product density. The non-compressed product is a soft fiberboard with a density of less than 0.4 g/cm3; the compresse.......

Wei Jie purchase: brand and overall renovation level

A smooth, delicate surface with no gravel bubbles, elegant and delicate, smooth and elegant, and elegant in color, matches the color of bathroom tiles. Choosing a brand based on its economic strength adapts to the overall renovation of the home.

2 In the three-piece sanitary ware, .......

The basic role of surfactants

The surfactant is an amphiphilic molecule that allows it to have two interfacial (surface) adsorption functions in aqueous solution. Firstly, “positive adsorption” can rapidly reduce the surface tension of water, reflecting the wetting and penetrat.......