SMC has excellent electrical properties, anti-corrosion, light weight and design easy, flexible, etc. Its mechanical properties can be comparable with some metallic materials, which are widely used transport vehicles, construction, electronics and other industries.
No recovery value, natural anti-theft;according to the needs of customers and equipped with locking design, the property in the well can be prevented from theft.
High strong high temperature and low temperature resistance: the manhole cover can be used normally in the environment of - 50 ℃ ～ +150 ℃ through scientific formula, advanced technology and perfect technical equipment.
The manhole cover as a common material for municipal and building has been developed rapidly. The following is a brief introduction to the installation precautions of sanitary manhole cover:
In order to keep the appearance of the cover beautiful and the surface pattern and handwriting clear, the cover shall be covered with sheet iron or wood during the construction of asphalt pavement, and the black manhole cover can also be painted with waste oil and other brush to prevent asphalt spraying on the manhole cover.