gutter mesh screen

6, the use of special formula and special UV absorbent, no fading, no yellowing, no peeling, no cracking, no foaming, no moth, the use cycle can be more than 30 years.

Ask the factory to provide the corresponding quality inspection report before packing. Cold drawing is a kind of material often used in our life, especially in the construction of buildings. Cold wire drawing is used more in building materials, cold wire drawing testing standards are also different. The strength of cold wire drawing is high, and it can be used in many aspects. Where plasticity is not required, only strength is required, such steel can be used.

In the electroplating tank through the current unidirectional make zinc plating on the metal surface gradually, the production speed is slow, the coating is uniform, the thickness is thin, usually only 3-15 micron, the appearance is bright, smooth, beautiful, poor corrosion resistance, generally will rust in a few months. The production process of hot wire plating mainly includes: preparation of the original plate → pre-plating treatment → hot dip plating → post-plating treatment → finished product inspection, etc. According to custom often according to plating pretreatment method.