manhole cover ZIBO BAOGAI BUILDING MATERIALS CO., LTD BAOGAI-MADE manhole cover is made of mould-press macromolecule, which is National patent. It adopts BMC, SMC colophony etc. material moulded by high temperature at one time. Our products have a lot of advantages such as high density, high rigidity, and high pressure, anti-corrupt, anti-aging, light weight and beautiful show. Inspected by National authoritative department, BAOGAI-MADE manhole cover can bear 50 tons and many indexes of it exceed national criterion and many other domestic manhole covers. It is adapted to city planning projects and fast lane. BAOGAI-MADE manhole cover is sold nationwidely and exported to Korea, Spanish, Saudi Arabia Taiwan etc. It is the best replacer of cast-iron manhole cover. Name Composite Manhole Cover (EN124) Technics SMC:sheet molding compound matrial Glass fiber and glass mat Basic Matrial Special unsaturated polyester resin Standard CJ/T211-2005 Features 1 High Intensity:It adopts macromolecule complex material and reinforcing steel bar moulded by high temperature and press at one time. Its highest inspect result is 54 tons, accord with Construction Department of Peoples Republic of China CJ/T211-2005 Criterion.2.Beautiful Show:Manhole cover’s external pattern has fine design; it can be made in many colors to beautify the environment.3.Light Weight:This kind of material has no recycle worth so it was burglarproof.At the same time it has locked construction design, it avoid the goods in the well being stolen and avoid City Black Hole accident.4. Burglarproof :This kind of material has no recycle worth so it was burglarproof.At the same time it has locked construction design, it can make the goods in the well avoid stolen. Avoid City Black Hole accident.5. Climatic resistant:It uses big molecular weight and chemical steady macromolecule complex material, adopts scientist prescription, advanced and perfect technique equipment. The product may be used in -50--+1.6. High Precision :Due to its high temperature mould press at one time there is a smaller aperture between cover and its under. It gets over the problem such as run, jump and sound of cast-iron and cement manhole cover. It improves traffic ability and travel comfort.7. Anti-Corrupt :Inspected by National Chemical Construct Material Inspection Center, it has obvious advantages of anti-acid, anti- alkali, anti-corrupt and anti-aging. Many indexes reached third class, longer service life . Application Green belt,underground electrical installation,telecommunications installations, Water installations,gas installations,petrochemical installations and so on