Al Zamil manhole covers, with standard openings give you more comfort and safe when in use.
• Made from raw non-recyclable materials (against theft)
• Made from resins materials non harmful to the environment.
• High resistance to acids and alkalis in different concentration.
• Durability and high resistance to friction and shocks.
• Maintenance free
• Less weight than those made from cast iron and noisless.
• Assorted sizes and colors
• In roads and parks.
• In the streets and a pedestrian crossing.
• In the gardens.
• In the main roads.
Laboratory test results:
• There is no change to the color or cracks when exposed to UV.
• Acid impact test results
Effect of sulfuric acid (not to exceed 0.9%)
Effect of hydrochloric acid (not to exceed 0.87%)
• Alkali impact test results
Effect of sodium hydroxide (not to exceed 0.94%)
• Organic solvents effects test results
The impact of gasoline (not to exceed 0.98%)
The impact of kerosene (not to exceed 0.91%)
• Chlorides and sulfates effects test results
The impact of chlorides (not to exceed 0.92%)
The impact of polymetallic (not to exceed 0.95%)