drywall screw specs

As we all know, the use of hexagonal net protection, can protect the natural environment while protecting the bridge, so as not only to green the ecological environment, but also to prevent soil erosion.

6, passivation to remove hydrogen parts should be passivation after the removal of hydrogen, passivation before the application of 1%H2SO4 or 1% hydrochloric acid activation 5~15s. Passivation shall be treated with colored chromate unless otherwise specified in the design drawings.

Due to the implementation of the grassland contract operation obligation system, herdsmen have a high capacity to strengthen and raise their stainless steel barbed rope fence net in grassland pastoral areas, forming the phenomenon of high density and high height of stainless steel barbed rope fence net in grassland pastoral areas, which is destructive and even destructive to the survival of wild animals.

Heavy hexagonal mesh is made of steel wire woven into hexagonal mesh by special machinery. This kind of mesh, after cutting and assembling, can be made into fence mesh, mountain hanging mesh, vegetation three-dimensional mesh, assembly, etc.

The anticorrosion of these raw materials is very different, and the use of life is not the same. Niu LAN net cold galvanized, also known as electroplating, galvanized quantity is very little, rust in rain, but the price is cheap, the use of life in 5-6 years. Hot dip galvanizing (low zinc and high zinc) on the amount of zinc in 60 grams to 400 grams, the service life is about 20-60 years, corrosion resistance is general.